China 1/3HP Lbp Nek2125gk Embraco Aspera Freezer Compressor (R404A), Find details about China Aspera Compressor, Embraco Compressor from 1/3HP Lbp Nek2125gk Embraco Aspera Freezer Compressor (R404A) - Shenzhen Sino-Australia Refrigeration Equipment Co. High speed: 54,5 dBA: Unit. On the other handrefrigerants R, -452A and R-448A/R-449A exhibit 1. When the temperature inside When the temperature inside the freezer is at about 0 ° F, the low side pressure should be 8-10PSIG for R404A charged units. R134a, R404A, R290, R507, R1234yf, R22 Applications: Household Refrigerators, Bottle Coolers and Freezers, Can Coolers, Chest Freezers, Vending Machines, Ice Cream Freezers, Beer Dispensers, Ice Makers, Soft Drink Dispensers P range S range X range. · Working Pressure. When the evaporation temperature is -25 °C, the working pressure of R290 is 190% of R134a. Mentioned cooling capacity of 1. If a reading is obtained at the condenser, do not use the common suction pressure port on a heat pump condenser because there is a. there is 3. Adopted to multiple refrigerant R404a, R507, R407C, R22. “Chemical refrigerants are fast-acting super-pollutants, and the fastest-growing source of climate gases in the world today,” says Mary D. If R-404A or R-507 is used, liquid charging is mandatory. You can also use Column 3 to find thesaturation. The refrigeration a as the working fluid, and operates between the pressures and capacity of the freezer is 50 kW. Temperature Pressure °F °C PSIG KPa. If you are search for R404a Freezer Pressures, simply look out our text below :. The computer model is assembled from existing algorithms and correlations for heat transfer, pressure drop, and thermodynamics and run using. 8 Xeon * PC-DL Dlx * 2gb Kingston DDR400 * Connect3D [email protected] What should my pressures be on a 404A ice machine? 404A refrigerant Generally, low side is around 20-25 PSI and High side is about 235-250 when unit is close to operating temp. Hi, had a service call to a J&E Hall Fusion 0300-b2-m-3 Condensing unit for a walk in freezer running on R404a at a set temperature of -20 Degrees C. Without a pressure equalization mechanism, it can take, in extreme cases, several hours before the door can easily be reopened. • Those that separate into two phases in the operating range, depending on temperature, pressure, and type base stock (chemical category) of the oil. ; cut-in at 260 p. Alibaba offers 315 Freezer R404a Compressors Suppliers, and Freezer R404a Compressors Manufacturers, Distributors, Factories, Companies. It should be running at 10-20psig (10 is ideal) on the suction side if working properly. Designed for domestic and medium-sized commercial applications. Freezer Pressures R404a. The recommended pressure for a home refrigerator using R134A refrigerant is between 2 psig and 150 psig. - end, freeze 8-6. Brazilian compressor manufacturer Embraco has set about determining how easy it is to convert a small light commercial freezer from HFC blend R404A to natural refrigerant propane (R290). Optyma™ condensing units can work down to -45°C (-49F) evaporating temperature. Hence leakage of 1 kg of R404A is two to three3 times worse in terms of global warming impact than some other HFC refrigerants. Features of K-660 Freezer Unit for Truck. A thermostat has two functions one is to immediately stop the cooling of refrigerated room. Refrigerant R-404a, also known as HP-62 and FX-70. Figure 2 shows the comparison of some properties of R-502, R-404A, and R-452A. For example, for an R404A frozen food system, with a cooled space temperature of -20OC, the minimum low side standstill pressure would be 2. Introduction: Guchen Thermo TR-650 vehicle refrigeration units are direct engine driven units, apply for 35~45m³ big sized refrigerated truck bodies. R449A (Opteon® XP40) is suitable for new installations as well as retrofits of existing equipment. Apr 05, 2011 · 18-20psig suction 250-270 psig discharge In freezers pressures are ok. When the temperature inside the freezer is at about 0°F, the low side pressure should be 8-10PSIG for R404A charged units. While at the highest temperature it should be 57 pounds per square inches that is 60-20,40 degrees Fahrenheit. On the other handrefrigerants R, -452A and R-448A/R-449A exhibit 1. Due to its high GWP value, however, it will be replaced with refrigerants with a lower GWP, such as 448A , 449A and 455A, depending on the system and. pressure control; fan # 1; (compressor end fan); cut-off @ 210 p. Sporlan Thermostatic Expansion Valve. You can also use Column 3 to find thesaturation. The type of Eliwell R-404 is HFC - Azeotropic blends of three refrigerants namely R 143a (52%), R 125 (44%) & R 134a (4 %). In a DX supermarket lab test [19] , R448A energy consumption is 3-8% lower than R404A at different evaporating and condensing conditions. You save $210. Test Unit -Walk-in Freezer with External Evaporator "Drop-in" tests R-404A, 1 HP, Walk-in Freezer with matching evaporator Reciprocating Compressor No liquid injection 1 ton capacity TXV 2 Outdoor Box Temperatures :. Standard, medium, high and very high levels of efficiency. Glacier Pro Blizzard Indoor Condensing Units - Medium Temperature - R404a. Search: R404a Freezer Pressures. Pressure/temperature table for R-502, R-404A, and R-452A is shown in Figure 1. Jug : Click to email EPA 608 Certification. 10 degree F superheat c. There are safety considerations in bringing high pressure systems into public areas. Interim replacement for R502. For additional technical information, full parts and service manuals are available for review and download. 2 Genetron 409A 409A Blend HCFC AB 84. R449A (Opteon® XP40) is suitable for new installations as well as retrofits of existing equipment. Quick action valve 1/2 turns open. 5), R‑404A, R‑407C, R‑407F, R‑410A, R‑410B, R‑417A, R‑421A, R‑421B, R‑422A, R‑422B, R‑422C, R‑422D, R-424A, R‑426A, R‑428A, R‑434A, R‑437A, R‑438A, R‑507A, RS-24 (2002 formulation), RS‑44. Tests were also performed with R448A in a commercially available walk-in freezer. 7 oz of 134A in it and I think they told me to put 3. R404a, R-404a, R404, 28 oz. Selective Thermostatic Charges. Methyl chloride is explosive and toxic. 8 Xeon * PC-DL Dlx * 2gb Kingston DDR400 * Connect3D [email protected] Use the Open or Close icons to see the descriptions below with the icons. Ice cream display showcase freezer gelato with low pressure hermetic compressor Voltage: 220V 50Hz Power:1550W Capacity:680L Refrigerated: R134a or R404a Temperature: -20ºC ~ -16ºC Coulometer:16 kwh/24h Gn pan:1/4*22 Dimension: L 2000 * W 968 * H 1366 MM Same Series Products of ice cream display freezer gelato. Pressure regulators such as EPR valves may have to be reset. It can be used also for charging of some systems operating on R502, such as commercial refrigeration equipment of big universal shops, refrigeration facilities of food industry factories, transport refrigeration facilities. T y p e ASHRAE Number IUPAC Chemical Name Molecular Formula CAS registry number/ Blend Name Atmospheric Lifetime (years) Semi-Empirical ODP net GWP 100-yr OEL/. Refrigerant R404a is used on coolers and freezers. Short answer: NO. F Extra Low Temp. When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key; However, in order to know the proper pressure, you also need to identify the correct corresponding temperature; The chart below helps you know what pressure R404a should run at. As an example for a beer cooler: The desired box temperature is 36 ° F; the system is R-134A refrigerant. 674 psia (29. 1/4 ODF External Equalizer. 35kw Evaporating Temperature: -49-41°F. A thermostat has two functions one is to immediately stop the cooling of refrigerated room. All models are 230V 1. There are safety considerations in bringing high pressure systems into public areas. E High Temperature B R22/404A LT & R134a HT G R22 HT & R404A MT J R404A LT & R134a HT K Two. Optyma™ condensing units can work down to -45°C (-49F) evaporating temperature. R404A has an Ozone Depletion potential of 0, a Global Warming Potential of 3260. Calculation of enthalpy of vapor at given temperature and at constant pressure(0. In a DX supermarket lab test [19] , R448A energy consumption is 3-8% lower than R404A at different evaporating and condensing conditions. 30″ Capillary Tube. Multi-function controller with microprocessor control system of truck reefer units. · Working Pressure. R404A or Freon 404A is an HFC mix refrigerant gas. 10HP Scroll Type R404A Freezer Compressor Zb76kqe-Tfd-524. Cooling capacity at evaporating temperature -25°C is 0. Some refrigerants used in the past are: Ammonia is highly explosive and toxic. (High ozone depleting fac-. On a 404a freezer, the evaporator has a temperature of -18F degree and the sight glass is partially full (i can see a stream of refrigerant at the bottom of the sight glass) the condenser temperature is 96F degree on a 62F degree day. 1 psi - 45°F - 42. Commercial Walk-in Freezer Condensing Unit 3 Phase 50Hz with R22 R507. Readings that are higher or lower indicate an overcharged system. If you are search for R404a Freezer Pressures, simply look out our text below :. articolisportivi. Figure 2 shows the comparison of some properties of R-502, R-404A, and R-452A. Bulkbuy Boyard Horizontal Refrigeration Ice Cream Maker Compressor 404A Replace Tecumseh Compressor Price Caj2432z in Ice Cream Freezer Qhd-13K price comparison, get China Boyard Horizontal Refrigeration Ice Cream Maker Compressor 404A Replace Tecumseh Compressor Price Caj2432z in Ice Cream Freezer Qhd-13K price comparison from R404A Refrigerator Compressor, Replace Tecumseh Compressor. Med Temperature. F Extra Low Temp. For example, R404A is an HFC blend that has been used for many years as a long-term refrigerant for commercial refrigeration applications, but has come under scrutiny due to its high GWP. It operates at higher pressures than many other refrigerants, and so cannot be used to retrofit R22 systems. This is common on walk in coolers and freezers when the condensing unit is mounted on the box and closed off by a drop ceiling. Figure 1: R-404A Reach-in freezer used in experimental testing The freezer was placed in a constant temperature room and fully instrumented with temperatures (T), pressures (P), mass flow rate (M) and energy measurement (W) as shown in Figure 2. Converting ice-cream freezers from R404A to R290. What should the suction pressure be on a 404a freezer? If it works properly, it should be running at 10 to 20psig. The freezer units for vans is suitable 8 - 12m³ van box. The use of a low-pressure control to maintain box temperature on commercial medium-temperature applications has been a common practice for many years. Hence leakage of 1 kg of R404A is two to three3 times worse in terms of global warming impact than some other HFC refrigerants. In addition, the physical properties of the Freon™ HP refrigerants are listed in Table. For the same amount of subcooling, R-404A and R-452A produce a greater refrigerating effect than R-502. Check the performance charts of the compressor for the maximum suction pressure. CFC and HCFC refrigerants (Freon, Arcton, etc. 8 Liquid Lines Pressure drop not as critical as in vapour lines. Closing point is the pressure of refrigerant corresponding to 86°F = 93 psig Opening point = 93+7 = 100 psig Operating head pressure = 125 psig Head pressure rise = 125-100 = 25 psi 3. All models are 230V 1. ) note: if high internal room load conditions are frequently. Pressures 404a Operating For Freezer. Lubricant: Polyol Ester Average Customer Review: 5 of 5. on Alibaba. Pressure drops below atmospheric pressure, resulting in a substantial vacuum. High Side Pressure Comparison Based on Standard Cycle 105 F Condenser, 25 F Evaporator, 10 F Subcooling & 10 F Superheat 0-10 +10-24 +24-60 +60 R-417A R-421A R-424A R-422B R-438A R-422D R-427A R-407C-407A R-422C R-404A R-428A R-421B R-434A R-422A R-507A (psig) Condenser Pressure Change Relative to R-22 Much lower pressure Lower pressure Similar. Liquid charging is faster. R290, has an Ozone Depletion Potential (ODP) of 0 and an ultra-low Global Warming Potential (GWP) of 3. Test Unit -Walk-in Freezer with External Evaporator "Drop-in" tests R-404A, 1 HP, Walk-in Freezer with matching evaporator Reciprocating Compressor No liquid injection 1 ton capacity TXV 2 Outdoor Box Temperatures :. In general, the suction pressure. Improved drain pan design features. 10 degree F superheat c. Opteon™ XL40 refrigerant is an A2L low global warming potential (GWP) hydrofluoroolefin (HFO) based. following the latest design, the perfect combination provides a safe and reliable system. There are 210 OEM, 182 ODM, 46 Self Patent. However, in order to know the proper pressure, you also need to identify the correct corresponding temperature. Ice cream display showcase freezer gelato with low pressure hermetic compressor Voltage: 220V 50Hz Power:1550W Capacity:680L Refrigerated: R134a or R404a Temperature: -20ºC ~ -16ºC Coulometer:16 kwh/24h Gn pan:1/4*22 Dimension: L 2000 * W 968 * H 1366 MM Same Series Products of ice cream display freezer gelato. 65 / Unit, New, Rotary, PORTABLE. What should the high and low pressures be for 404A refrigerant on a freezer? View results What is the correct suction pressure when charging a true freezer using refrigerant 404a?. The recommended freezer temperature to keep your food safe is at or below 0°F (-18°C), but your freezer may need to be set higher or lower depending on its environment and other factors. C and Ice Cream outlet temperature of (-) 5 deg. Freezer Pressures R404a. CFC and HCFC refrigerants (Freon, Arcton, etc. Nichols, chair. The refrigeration a as the working fluid, and operates between the pressures and capacity of the freezer is 50 kW. 5 oz charge. The high side should be around 180. From detailed analyses, it can be concluded that liquid-suction heat exchangers that have a minimal pressure loss on the low pressure side are useful for systems using R507A, R134a, R12, R404A. Refrigerant Regulators. 5 Lb HFC Blend Refrigerant Sealed Cooler Freezer New 404 $164. Key features. Westron 404A blends are suitable for. Operating Pressures For 404a Freezer. The typical freezer factory setting on Whirlpool ® refrigerators is a great starting point at the recommended 0°F (-18°C). R410A is an HFC blend designed for new R22 applications. Remember, there are two sides to the chart; we have the low and the high. As to its characteristics, R404A, as it has. About Freezer R404a Pressures. This does not match with my p. China R404A Freezer Compressor Caj4519z for Fridge, Find details about China Compressor, Tecumseh Compressor from R404A Freezer Compressor Caj4519z for Fridge - Shenzhen Ruifujie Technology Co. Edit, fill, sign, download Refrigerant R-404A Pressure / Temperature Chart online on Handypdf. 20 degree F superheat. Cheap Freezer Parts, Buy Quality Home Appliances Directly from China Suppliers:2HP, R404a ultra low temperature expansion valve kits is easy to limit max. 8 Xeon * PC-DL Dlx * 2gb Kingston DDR400 * Connect3D X850Pro[email protected] When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key; However, in order to know the proper pressure, you also need to identify the correct corresponding temperature; The chart below helps you know what pressure R404a should run at. If the low side pressure rises to over 10 psig, the system has too much. Search: R404a Freezer Pressures. 4 Capacity R290 A difference between R290 and R134a is in the pressure level, which is closer to R22 and R404A, e. What is the evaporator superheat? 2°. Operating Pressure of HC Refrigerant and Test Pressures Single Door Economy Model Reach In CR 1-EC,CF1-EC Slide Top Bottle Cooler Models - BST-36, BST-50, BST-65, and BST-95. Opteon™ XL40 (R-454A) is a non-ozone depleting refrigerant providing an optimal balance of properties in applications that use R-404A and R-22. Where's Vegetable room thermostat set at +5°C or 41°F. When the evaporation temperature is -25 °C, the working pressure of R290 is 190% of R134a. 9% positive. Hi, had a service call to a J&E Hall Fusion 0300-b2-m-3 Condensing unit for a walk in freezer running on R404a at a set temperature of -20 Degrees C. The top supplying country or region is China, which supply 100% of r404a freezer pressures respectively. I am a Journeyman, but I strictly work on residential units. It allows remote condensing units to be controlled without any additional control wiring between the refrigerated box and its compressor. Cheap Refrigerator Parts, Buy Quality Home Appliances Directly from China Suppliers:One pair R404a, R22, R407c and R134a Pressure Gauge indicates low & high pressure value in AC, freezers & heat pump units Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Brazilian compressor manufacturer Embraco has set about determining how easy it is to convert a small light commercial freezer from HFC blend R404A to natural refrigerant propane (R290). Introduction: Guchen Thermo TR-650 vehicle refrigeration units are direct engine driven units, apply for 35~45m³ big sized refrigerated truck bodies. C with Ice Cream Over Run 110% Mix fat content 11% and Total Solids 35% to 40%. Refrigerant overcharge. Free shipping. Jug : Click to email EPA 608 Certification. SERVICE AND INSTALLATION MANUAL EF and EMF Series Flaked ICE Machines Ice-O-Matic 11100 East 45th Ave Denver, Colorado 80239 Part Number 9081325-01 Date 1/09. Use the Open or Close icons to see the descriptions below with the icons. The temperature range is -25℃ ~ +30℃, so it is very suitable for delivering fresh or deep frozen cargoes. Eliwell R404A is a Non-Ozone Depleting, Non-Toxic, Non-Flammable Refrigerant developed for a variety of Medium and Low-Temperature Refrigeration applications. Interim replacement for R502. chest freezer cycle in untouched HCFC. I checked out the system after defrost, and it is freezing far to quickly. R-404A for the freezer are efficiently metered by capillary systems providing a constant, safe operating temperature and quick "recovery" under the most demanding conditions. China 1/3HP R404A Lbp Kk Freezer Compressor Ae2416zk, Find details about China Kulthorn Compressor, Tecumseh Kk Compressor from 1/3HP R404A Lbp Kk Freezer Compressor Ae2416zk - Guangzhou Qishanr Technologies Co. R404a, R-404a, R404, 28 oz. What is the evaporator superheat? 2°. Bulkbuy R404A R290 1. Converting ice-cream freezers from R404A to R290. It may be necessary to reset the pressure cut-outs to suit the different pressures of the replacement refrigerant. A Project Report on THERMODYNAMIC ANALYSIS OF VAPOUR CASCADE REFRIGARATION SYSTEM USING R-12 & R-404A (ALTERNATIVE REFRIGARENT) Submitted by: Srikanta Biswas, Roll No-11800712053 Biplab Khan, Roll No-11800713067 Somnath Dey, Roll No-11800712051 Sayan Sarbajna, Roll No-11800712049 Shovan Ghosh, Roll No-11800712050 Surovita Santra, Roll No 11800713077 Guided. R410A is an HFC blend designed for new R22 applications. It is mildly flammable (ASTM E681-04 2004) and therefore may have some limitations for use in larger charge systems. (High ozone depleting fac-. In the R134a, pressure can be determined at any temperature that ranges between -22 to 202 degrees Fahrenheit. The higher pressure characteristics exhibited by R-404A/R-507 will in some cases exceed the industry accepted safety factors on the compressor crankcase (low. Two candidate refrigerants have been developed with performance similar to R-404A. This is the maximum allowable pressure drop for the entire piping run regardless if it is 50' or 250'. Two disposable cans of Refrigerant R-404a. A/C Manifold Gauge with Brass Body for Refrigerant R410a, R22, R404a Model: QS4L3H Hose Set 1-Red, 1-Yellow, 1-Blue 36″ inches long Gauges read pressure for Refrigerants R410A, R22, and R404A 2-Valves Brass Manifold with 2. For example, R404A is an HFC blend that has been used for many years as a long-term refrigerant for commercial refrigeration applications, but has come under scrutiny due to its high GWP. - end, freeze 8-6. 5 Genetron 408A 408A Blend HCFC AB 75. Low levels of noise and vibration. Glacier Pro Frost Indoor Condensing Units. Cubigel Compressors offers the most complete range of compressors for every commercial refrigeration application. 99 (40) Cylinders, Pallet R404a, R404, R-404, 404a Refrigerant *24lb* tank. Download normal refrigerant pressures for 404a ice machine PDF for free. The original size was 1/2 inc h and they have installed 3/8. Compressor suction and discharge pressures for R407A, R407F, R448A and R449A differ from R404A/R507. Default Title. R-404A: Charge: 1,1 kg: Sound Pressure. Readings that are higher or lower indicate an overcharged system. 5 oz charge. The Hot gas defrosting system with Auto and manual is available for your choices. However, in order to know the proper pressure, you also need to identify the correct corresponding temperature. 18-20psig suction 250-270 psig discharge In freezers pressures are ok. A1 7 POLYOLESTER Low GWP alternative to R-404A and R-507 R-452A 32/125/1234yf (11/59/30) A1 5. For normal running pressures in the R134a system, at the lowest temperature, the coil should run at 22 pounds per square inch that is 45-20, 25 degrees Fahrenheit. "Chemical refrigerants are fast-acting super-pollutants, and the fastest-growing source of climate gases in the world today," says Mary D. List Price: $609. Valves work with a changeable team of nozzles, which facilitates their storageand maintenance. R404A or Freon 404A is an HFC mix refrigerant gas. Pressure drops below atmospheric pressure, resulting in a substantial vacuum. It is important to know the range of these pressures in order to understand why and how charging and recovery are performed. R134a is only 1,430 and R407F (Performax LT) is 1850. 8°C 2 psi - 40°F - 40°C 4. Cheap Freezer Parts, Buy Quality Home Appliances Directly from China Suppliers:2HP, R404a ultra low temperature expansion valve kits is easy to limit max. Assume a 0ºF fixture, (freezer. Free shipping. If R-404A or R-507 is used, liquid charging is mandatory. The top supplying country or region is China, which supply 100% of r404a freezer pressures respectively. In a DX supermarket lab test [19] , R448A energy consumption is 3-8% lower than R404A at different evaporating and condensing conditions. Product Description. Carbon dioxide requires high condensing pressure 72 bar at 30°C and the piping system is expensive. Refrigerant: R404/R22 50Hz. Get info of suppliers, manufacturers, exporters, traders of R404A Refrigerant Gas for buying in India. When the temperature inside the freezer is at about 0°F, the low side pressure should be 8-10PSIG for R404A charged units. Introduction: Guchen Thermo TR-650 vehicle refrigeration units are direct engine driven units, apply for 35~45m³ big sized refrigerated truck bodies. Med Temperature. A friend of mine had me check out a reach in freezer at his restaurant. The suction line temperature at the TEV bulb is -20. China R404A 2HP Cold Storage Freezer Monoblock Compressor Condensing Unit, Find details about China Commercial Refrigeration, Industrial Refrigeration from R404A 2HP Cold Storage Freezer Monoblock Compressor Condensing Unit - Shenzhen Eurostars Technology Co. Ice cream display showcase freezer gelato with low pressure hermetic compressor Voltage: 220V 50Hz Power:1550W Capacity:680L Refrigerated: R134a or R404a Temperature: -20ºC ~ -16ºC Coulometer:16 kwh/24h Gn pan:1/4*22 Dimension: L 2000 * W 968 * H 1366 MM Same Series Products of ice cream display freezer gelato. Eliwell R404A blends are suitable for Refrigeration. Re-entry into the cabinet is impossible until internal pressures are returned to atmospheric pressure. Discover. Like Genetron AZ-50, Genetron 404A is a non-ozone-depleting long-term alternative to R-502 that is well suited for low- and medium-temperature refrigeration applications. temperature applications. Although the low side pressure should be around 2 psig, at times it can fluctuate from 0 to -3 psig. Methyl chloride is explosive and toxic. Test Unit -Walk-in Freezer with External Evaporator "Drop-in" tests R-404A, 1 HP, Walk-in Freezer with matching evaporator Reciprocating Compressor No liquid injection 1 ton capacity TXV 2 Outdoor Box Temperatures :. It should be running at 10-20psig (10 is ideal) on the suction side if working properly. No longer manufactured. • Those that separate into two phases in the operating range, depending on temperature, pressure, and type base stock (chemical category) of the oil. Embraco, Compressors, Refrigeration, including R134a Multi Application Refrigeration Compressor, R134a Multi Application Refrigeration Compressor,. 9% positive. Long answer: This is a very bad idea for multiple reasons: R22 & R404A have different pressure temperature characteristics. CFC and HCFC refrigerants (Freon, Arcton, etc. What are the best refrigerants to replace R404A / R507 in low-temperature applications? In new low-temperature systems below 2 kW, propane (R290) is an interesting, long-term option, depending on the refrigerant charge needed. How do you determine the evaporator superheat of a refrigeration system? Subtract evaporator temperature from the temperature of the suction line at the expansion valve bulb. R-404A and -R-452A possess similar energy efficiency and capacity characteristics to R-502. The suction line temperature at the TEV bulb is -20. Thermostatic expansion valves are designed for injection of liquid refrigerant to the evaporator in the refrigeration and air conditioning systems with fluorinated agents. Remember, there are two sides to the chart; we have the low and the high. R404A or replacements - operating from -7C to -45C evaporating range. Therefore in a normal R134a, the low-pressure side is 90 degrees or less, and the PSI should be close to 30. And the high side should be about 180 or so. - Suction Pressure - Discharge Pressure * At standard conditions of mix inlet temperature of (+) 4 deg. - see R408A, R404A, R507. While the system is running, the refrigerant temp in the evap would generally be at 24, so 32 suction pressure while running. The temperature range is -25℃ ~ +30℃, so it is very suitable for delivering fresh or deep frozen cargoes. Find more similar flip PDFs like normal refrigerant pressures for 404a ice machine. Introduction: Guchen Thermo TR-650 vehicle refrigeration units are direct engine driven units, apply for 35~45m³ big sized refrigerated truck bodies. What is the evaporator superheat? 2°. unit is at 13 degrees with suction line icing up I am retired hvac tech but am not familiar with r134a. Freezers should pull down to 0°F in about 1hr when located in an ambient of about 75 °F. >from talking to the owner; the freezer was originally an R12 system that had a >R404a condenser unit installed when the compressor failed in the old R12 >system. 404A was originally implemented as a replacement option for the now banned CFC R-502. 99 (40) Cylinders, Pallet R404a, R404, R-404, 404a Refrigerant *24lb* tank. 1/4 ODF External Equalizer. Jug : Click to email EPA 608 Certification. Thermostatic expansion valves are designed for injection of liquid refrigerant to the evaporator in the refrigeration and air conditioning systems with fluorinated agents. 525 East Stop 18 Road Greenwood, IN 46142 317-887-0729 fax: 317-881-1277 web site: www. And it is about 80% of R404A. Disposable Can. View and Download Kelvinator R-404A installation manual online. Oct 05, 2021 · Search: Operating Pressures For 404a Freezer. Additionally, HVAC Systems such as chilled water systems in both commercial markets and industrial markets. In the R134a, pressure can be determined at any temperature that ranges between -22 to 202 degrees Fahrenheit. The hermetically sealed systems are designed to operate at 38°F and 0°F. Welbilt brands: Cleveland, Convotherm, Delfield, Frymaster, Garland, INDUCS, Kolpak, Koolaire, Lincoln, Manitowoc Ice, Merrychef, Multiplex, Servend and Welbilt. Converting ice-cream freezers from R404A to R290. R404A is a popular refrigerant for Medium Temp and Low Temp Refrigeration applications. China Condensing Unit R404A R290 Walk in Freezer Compressor Qhd-23K, Find details about China R404A Compressor, R404A Compressor Price from Condensing Unit R404A R290 Walk in Freezer Compressor Qhd-23K - Zhejiang Boyang Compressor Co. What should superheat be on 404a freezer? Re: Correct Super Heat For Walk In Freezer Ideally you want to get the head pressure up to around 38'C SCT which on R404a is about 240psi. DR-33 is formulated to be nonflammable (ASTM E681-04 2004 and ASHRAE Std 34. The pressure for an ordinarily operating R134a is between 22 and 57 pounds per square inch (PSI). When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key; However, in order to know the proper pressure, you also need to identify the correct corresponding temperature; The chart below helps you know what pressure R404a should run at. When the temperature inside When the temperature inside the freezer is at about 0 ° F, the low side pressure should be 8-10PSIG for R404A charged units. The suction line temperature at the TEV bulb is -20. R404A refrigerant is accepted as an alternative to R502 in the new equipment. It should be running at 10-20psig (10 is ideal) on the suction side if working properly. The same as question 18, but set the low pressure control for a walk-in freezer using R404A in an outdoor condensing unit. 35kw Evaporating Temperature: -49-41°F. You might call it the homeowner's law of appliances: if something can break, it will do so at the most inconvenient time. 410A and R-404A, were evaluated for an 11 kW medium temperature refrigeration system having -18 °C to 0 °C evaporator saturated refrigerant temperature. It can be used also for charging of some systems operating on R502, such as commercial refrigeration equipment of big universal shops, refrigeration facilities of food industry factories, transport refrigeration facilities. 9% positive. Large industrial refrigeration plants have a commercial freezer and Meat room with the temperature maintained at -20°C or -24. 1 Bar referring to thermodynamic properties table of Refrigerant 404A by DuPont Suva [8]. ) and given R numbers (R12, R22, R502) are replaced by HFCs like R134a. 1 bar) Below table is drawn constant pressure at 0. ) Box temperature controlled by a thermostat in the fixture. The suction line temperature at the TEV bulb is −20°F. pressure control; fan # 1; (compressor end fan); cut-off @ 210 p. When the evaporation temperature is -25 °C, the working pressure of R290 is 190% of R134a. These include R-13, R-14, ammonia, and carbon dioxide. R134a, R404A, R290, R507, R1234yf, R22 Applications: Household Refrigerators, Bottle Coolers and Freezers, Can Coolers, Chest Freezers, Vending Machines, Ice Cream Freezers, Beer Dispensers, Ice Makers, Soft Drink Dispensers P range S range X range. About Freezer R404a Pressures. If you are look for Operating Pressures For 404a Freezer, simply look out our links below :. So when designing the evaporator, it needs to be similar to R404A. Disposable can. Closing point is the pressure of refrigerant corresponding to 86°F = 93 psig Opening point = 93+7 = 100 psig Operating head pressure = 125 psig Head pressure rise = 125-100 = 25 psi 3. Embraco, Compressors, Refrigeration, including R134a Multi Application Refrigeration Compressor, R134a Multi Application Refrigeration Compressor,. Read on to get more answers to. Page 1 / 102. on Alibaba. It has a blend of HFC-125, HFC-143a, HFC-134a as a proportion of 44:52:4 respectively. Factory installed distributor nozzle. Pressure drops below atmospheric pressure, resulting in a substantial vacuum. • Blast Chillers & Freezers • Cold Rooms • Secondary systems – expensive for most solutions • Co2 is a real option – BUT specialist contractors, equipment (compressors and pipework), design and installation are needed. FREE Shipping by Amazon. 404A's reign however was short lived. ) and given R numbers (R12, R22, R502) are replaced by HFCs like R134a. About For Freezer 404a Operating Pressures. In the R134a, pressure can be determined at any temperature that ranges between -22 to 202 degrees Fahrenheit. Download normal refrigerant pressures for 404a ice machine PDF for free. There are 210 OEM, 182 ODM, 46 Self Patent. While the system is running, the refrigerant temp in the evap would generally be at 24, so 32 suction pressure while running. Normal refrigerant pressures for 404a ice machine was published by Inez Powers on 2018-06-21. Pressure values are displayed for R-22, R-410a, R-407c, R-134a and R-404a refrigerants. 18-20psig suction 250-270 psig discharge In freezers pressures are ok. For R-404A Low Temperature 1 psi; for R-404A and R-22 Medium Temperature 2 psi is used. End-Use Prohibited Substance Effective Date; Household refrigerators and freezers—compact (new) FOR12A, FOR12B, HFC‑134a, KDD6, R‑125/290/134a/600a (55. Low Medium Temperature Refrigeration (R-22 Type) R-407A 32/125/134a (20/40/40) A1 8 POLYOLESTER Similar efficiency and. If R-404A or R-507 is used, liquid charging is mandatory. The same as question 18, but set the low pressure control for a walk-in refrigerator using R404A in an outdoor condensing unit. Repair for a Freezer That Is Running But Not Freezing. Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. Alternate for R502. 30 suction pressure is definitely a bit high. make sure that this fan cycles off just above the point where the head pressure control valve begins to bypass hot gas to the receiver inlet; (typically 200 pounds on r-404a. That depends. following the latest design, the perfect combination provides a safe and reliable system. For example, R404A is an HFC blend that has been used for many years as a long-term refrigerant for commercial refrigeration applications, but has come under scrutiny due to its high GWP. Sporlan Thermostatic Expansion Valve. An R-404A and R-22 Replacement Offering Superior Cooling for Diverse Refrigeration Systems. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. High pressure safety cut off with manual reset. ) • Cut In = 39 psig • Cut Out = 19 psig • Diff. Get it as soon as Thu, Oct 28. It is mildly flammable (ASTM E681-04 2004) and therefore may have some limitations for use in larger charge systems. Please don't just top it up, R404a is absolutely horrendous for its GWP. ) and given R numbers (R12, R22, R502) are replaced by HFCs like R134a. High and low pressure gauges should be attached. Default Title - $369. If there is a 2-psig pressure drop (about 4. pressure will be 19 psig. Refrigerant R-404a, also known as HP-62 and FX-70. This technicians pocket guide covers all mod-els using R-404A refrigerant. Refrigerant R404a is used on coolers and freezers. For example, R404A is an HFC blend that has been used for many years as a long-term refrigerant for commercial refrigeration applications, but has come under scrutiny due to its high GWP. 5 HP Refrigeration Compressor for Commercial Freezer price comparison, get China R404A R290 1. r404a, 404a, r-404a, 7. Brazilian compressor manufacturer Embraco has set about determining how easy it is to convert a small light commercial freezer from HFC blend R404A to natural refrigerant propane (R290). Jug : Click to email EPA 608 Certification. Ban 12: R404A phase out in Jan 2020 and GWP limit of 2500 2 A walk-in cooler & freezer solution to meet your every need Safety has top priority among consumers today and tomorrow. Closing point is the pressure of refrigerant corresponding to 86°F = 93 psig Opening point = 93+7 = 100 psig Operating head pressure = 125 psig Head pressure rise = 125-100 = 25 psi 3. Cooling capacity at evaporating temperature -25°C is 0. (Cut - Out setting stopping the compressor. IMPORTANT LEGAL NOTICE : AN ORDER WILL VIOLATE EPA 608 REGULATION IF THE. Each regulator is available with an assortment of additional variations, enabling one regulator to perform several functions. 20 psig cut-in and 5 psig cut-out. High efficiency oil separating system. For the existing mid-size systems, R448A, R449A and R452A are good options with moderate GWP levels while emerging A2L. 5 oz charge. Parker's line of pressure regulators includes valves that control inlet, outlet or differential pressure. R410A's low. And the high side should be about 180 or so. What pressure should a 134a freezer run at? 22 pounds per square inch. Axial fan motor, high air flow with low noise. 1 Bar referring to thermodynamic properties table of Refrigerant 404A by DuPont Suva [8]. Optyma™ condensing units can work down to -45°C (-49F) evaporating temperature. Glacier Pro Frost Indoor Condensing Units. Thermostatic Expansion Valve Danfoss TES2 068Z3403 R404A. This is also thelow-side pressure, assuming there is no pressure drop. Closing point is the pressure of refrigerant corresponding to 86°F = 93 psig Opening point = 93+7 = 100 psig Operating head pressure = 125 psig Head pressure rise = 125-100 = 25 psi 3. For new medium & low temperature applications. Alternate for R502. Read about company. New generation of condensing unit with Ozone friendly refrigerants, R404a ,R407c and R507c. Two are sister refrigerants to R407C, the initial favourite for use in unitary air conditioning systems using different percentages of the HFC refrigerants R134a, R125 and R32. T y p e ASHRAE Number IUPAC Chemical Name Molecular Formula CAS registry number/ Blend Name Atmospheric Lifetime (years) Semi-Empirical ODP net GWP 100-yr OEL/. With R404a refrigerant can support the 5800W big cooling capacity. throttle adjusting. R404A refrigerant is commonly used in low and medium temperature refrigeration applications. Disposable cans. The suction line temperature at the TEV bulb is -20 degree F. Application Hg 1P ressure - psig 1 Refrigerant Approximate temperature °F R-12 R-22 R-502 R-717 R-134A. R404A refrigerant is commonly used in low and medium temperature refrigeration applications. Introduction: Guchen Thermo TR-650 vehicle refrigeration units are direct engine driven units, apply for 35~45m³ big sized refrigerated truck bodies. Hi Iam converting a freezer to freeze dip n dots and was woundering the temps it should be. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. The cut in pressure should be below the lowest standstill pressure of the system. Refrigerant: R404/R22 50Hz. there is 3. Cheap Refrigerator Parts, Buy Quality Home Appliances Directly from China Suppliers:One pair R404a, R22, R407c and R134a Pressure Gauge indicates low & high pressure value in AC, freezers & heat pump units Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. r404a, 404a, r-404a, 7. Find more similar flip PDFs like normal refrigerant pressures for 404a ice machine. C and Ice Cream outlet temperature of (-) 5 deg. 35kw Evaporating Temperature: -49-41°F. With R404a refrigerant can support the 5800W big cooling capacity. Door Panel Hinges 23 Refrigerant options include R-404A and R-507. Mineral oils and alkylbenzene lubricants, which have. Discover. 8 Xeon * PC-DL Dlx * 2gb Kingston DDR400 * Connect3D [email protected]E. 30 suction pressure is definitely a bit high. Without a pressure equalization mechanism, it can take, in extreme cases, several hours before the door can easily be reopened. >from talking to the owner; the freezer was originally an R12 system that had a >R404a condenser unit installed when the compressor failed in the old R12 >system. The pressure for an ordinarily operating R134a is between 22 and 57 pounds per square inch (PSI). Never had to work on a 404a system. Two are sister refrigerants to R407C, the initial favourite for use in unitary air conditioning systems using different percentages of the HFC refrigerants R134a, R125 and R32. Normal equations h g =aT2 +bT + c ∑ℎ𝑔 =a∑ 2+ b∑ + nc ∑ 3ℎ𝑔 =a∑ +b∑ 2+c∑. If the low side pressure rises to over 10 psig, the system has too much. Read about company. evaporating pressure and regulate coolant injection Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Get contact details and address | ID: 23693025491. The units with CPR valve will better protect compressors, especially in extremely hot or cold place. The high side should be around 180. In order to have the coolers temp at 34. Alternate for R502. Large operating envelope. C and Ice Cream outlet temperature of (-) 5 deg. (Availability - large. Discover. If you are searching for Operating Pressures For 404a Freezer, simply check out our text below : Searches related to 410a low side pressure issue chart for small cap manufacturers 2019. Which is a perfect 10 to 1, But it is over charged and the liquid line gets to ambient. Two are sister refrigerants to R407C, the initial favourite for use in unitary air conditioning systems using different percentages of the HFC refrigerants R134a, R125 and R32. Headquartered in Brazil, Embraco also has factories in Italy, China and Slovakia. Eliwell R404A blends are suitable for Refrigeration. Free shipping. Easy front access to electrical and refrigeration components. Thermostatic Expansion Valve Danfoss TES2 068Z3403 R404A. It runs on R404A. Pressures 404a Operating For Freezer. Developed for LBP applications can be adapted for M / HBP applications. 8 Liquid Lines Pressure drop not as critical as in vapour lines. R404A, R-404a, Refrigerant 28 Oz. R404A runs similar pressures to R22 which you're probably more familiar working with in the US. For R-404A Low Temperature 1 psi; for R-404A and R-22 Medium Temperature 2 psi is used. concluded that R448A performs better than R404A in a walk-in freezer/cooler, with acceptable pressures and discharge temperatures. The cut-in is the pressure that closes the LPC's contacts and starts the compressor. High speed: 54,5 dBA: Unit. TEMPERATURE PRESSURE CHART - at sea level To determine subcooling for R-404A use BUBBLE POINT values (Temperatures above 50°F — Gray Background); to determine superheat for R-404A, use DEW POINT values (Temperatures 50°F and below). Although the low side pressure should be around 2 psig, at times it can fluctuate from 0 to -3 psig. Get contact details and address | ID: 23693025491. The X pin is for getting rid of eXtra defrost time, or for eXiting the defrost cycle. n-SPECIFICATIONS-FREEZER: TU044LT TU072LT HP 1/2 1/2 Condensing Unit BTU/HR 1970 1970 Cabinet Amp Draw 8. 114N2339, Danfoss, Optyma Condensing Unit, R404A/R507/LBP WD, OP-LCHC0100UWD000N R404A/R507 are the main refrigerants for LBP commercial refrigeration. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The motivation for this thesis is the need for efficient and environmentally friendly refrigerants in low temperature applications. Search: R404a Freezer Pressures. Westron 404A blends are suitable for. Available for R-134a, R404a/R507, R-600a and R-290. R404A Pressure Temperature Chart 14 9. Calculation of enthalpy of vapor at given temperature and at constant pressure(0. When the temperature inside When the temperature inside the freezer is at about 0 ° F, the low side pressure should be 8-10PSIG for R404A charged units. On the other handrefrigerants R, -452A and R-448A/R-449A exhibit 1. - end, freeze 8-6. For new medium & low temperature applications. Large operating envelope. About Freezer Pressures R404a. Bulkbuy Boyard Horizontal Refrigeration Ice Cream Maker Compressor 404A Replace Tecumseh Compressor Price Caj2432z in Ice Cream Freezer Qhd-13K price comparison, get China Boyard Horizontal Refrigeration Ice Cream Maker Compressor 404A Replace Tecumseh Compressor Price Caj2432z in Ice Cream Freezer Qhd-13K price comparison from R404A Refrigerator Compressor, Replace Tecumseh Compressor. 18 ; Compressor type. make sure that this fan cycles off just above the point where the head pressure control valve begins to bypass hot gas to the receiver inlet; (typically 200 pounds on r-404a. Only 2 left in stock - order soon. Free shipping. Refrigerant R404A 24lbs. Discover. Furthermore, R134A is a chemical refrigerant in automotive and domestic use air conditioners. What are the best refrigerants to replace R404A / R507 in low-temperature applications? In new low-temperature systems below 2 kW, propane (R290) is an interesting, long-term option, depending on the refrigerant charge needed. Thermostatic Expansion Valve Danfoss TES2 068Z3403 R404A. For example, a high-efficiency condensing unit using R-22 typically operates with a suction pressure of about 68 psi and a discharge pressure of about 250 psi at an outdoor temperature of 95°F. Refrigerant R-404a; Dasher motor, kW 0. If condensed at 50 °C, the working pressure of R290 is 140% of R134a, and 73% of R404A. The computer model is assembled from existing algorithms and correlations for heat transfer, pressure drop, and thermodynamics and run using. Check the performance charts of the compressor for the maximum suction pressure. 9% positive. Figure 2 shows the comparison of some properties of R-502, R-404A, and R-452A. Blue Cold Refrigeration Private Limited - Offering Blue Cold Blast Freezer, Refrigerant Used: R404a & Nh3 in Bengaluru, Karnataka. This is common on walk in coolers and freezers when the condensing unit is mounted on the box and closed off by a drop ceiling. Olympic Stains Color Chart R134a Pressure- Temperature chart (Table 1). ; cut-in at 260 p. 5 oz charge. What pressure should a 134a freezer run at? 22 pounds per square inch. “Chemical refrigerants are fast-acting super-pollutants, and the fastest-growing source of climate gases in the world today,” says Mary D. 8 Liquid Lines Pressure drop not as critical as in vapour lines. It allows remote condensing units to be controlled without any additional control wiring between the refrigerated box and its compressor. Opteon™ XL40 (R-454A) is a non-ozone depleting refrigerant providing an optimal balance of properties in applications that use R-404A and R-22. R410A's low. I'd say 210psi would be the minimum you would be looking for when the systems running. Get it as soon as Thu, Oct 28. This van freezer unit adopts R404a Eco-friendly refrigerant, cooling capacity is up to 2000W and customers can set up the temperature from -20℃ to +25℃ for delivering fresh goods or deep frozen goods, such as ice cream. 2 amps what is it that my lowside pressure is so low please let me know what I should look for to fix this problem I have been working on the freezer for week still at first nothing was running at all slowly one by one everything. Some refrigerants used in the past are: Ammonia is highly explosive and toxic. Like Genetron AZ-50, Genetron 404A is a non-ozone-depleting long-term alternative to R-502 that is well suited for low- and medium-temperature refrigeration applications. Key features. Jug : Click to email EPA 608 Certification. Long answer: This is a very bad idea for multiple reasons: R22 & R404A have different pressure temperature characteristics. 0 Refrigerant R-404a R-404a Refrigerant Charge (oz. For the same amount of subcooling, R-404A and R-452A produce a greater refrigerating effect than R-502. China R404A Bitzer Compressor Air Cooled Condensing Unit for Cold Freezer Room, Find details about China Condensing Unit, Cold Room Condensing Unit from R404A Bitzer Compressor Air Cooled Condensing Unit for Cold Freezer Room - Shenzhen Eurostars Technology Co. Free shipping Free shipping. These are R407A - a blend of 40% R134a, 40% R125 and 20% R32 - with a GWP of 1990. Designed for domestic and medium-sized commercial applications. He said it seams to always be in defrost. Default Title - $369. Among the tested refrigerants, R404A presents the lowest ɛ IHX, and the difference with its alternatives is within 2. 0 0F Walk-in freezer or cooler room temp to be maintained rFG rF REFRIGERANT Refrigerant N/A N/A R-404A R-449A Type of refrigerant used: see table below dtY dtY DEFROST TYPE Defrost Type N/A N/A ELE/Ai ELE/Ai. Embraco, Compressors, Refrigeration, including R134a Multi Application Refrigeration Compressor, R134a Multi Application Refrigeration Compressor,. 0 Genetron AZ-20 410A Azeotropic Mixture HFC POE 77. fan cycling pressure controls with R404A, a differential of approximately 35 psig is recommended. Cans of R-404a with a 1/4" male flare fitting on top with internal valve core and brass cap as pictured. It should be running at 10-20psig (10 is ideal) on the suction side if working properly. Large operating envelope. Major findings of the current study are: • The LCCP of R-410A is equal to that of R-290 and the LCCP of R-404A is 6. If R-404A or R-507 is used, liquid charging is mandatory. Keep fans running, protect compressors and detect refrigerant leaks. Pressure Evaporator Pressure o R-404A R-407A R-449B R-448A R-449A. Quick action valve 1/2 turns open. R-404A/R-507 exhibits higher pressures than R-502 at normal condensing temperatures. Get contact details and address | ID: 23693025491. These include R-21, R-22, R-114, and R-115. The suction line temperature at the TEV bulb is -20 degree F. • Blast Chillers & Freezers • Cold Rooms • Secondary systems - expensive for most solutions • Co2 is a real option - BUT specialist contractors, equipment (compressors and pipework), design and installation are needed. SERVICE ACCESS III. What is the superheat ? a. No longer manufactured. • Those that separate into two phases in the operating range, depending on temperature, pressure, and type base stock (chemical category) of the oil. Refrigerant overcharge. Beginning the cycle at the evaporator inlet the low pressure liquid expands, absorbs heat (so refrigerator inner-cabinet is cooled), and evaporates, changing to alow pressure gas at the evaporator outlet. Liquid charging is faster. If you are searching for Operating Pressures For 404a Freezer, simply check out our text below : Searches related to 410a low side pressure issue chart for small cap manufacturers 2019. For leak testing it's the same process as any system should be: pressure test and check all pipework for areas where pressure is escaping. There are safety considerations in bringing high pressure systems into public areas. R-404A is a quasi-azeotrope refrigerant blend, which means it condenses and boils at nearly the same temperature for a given pressure (temperature glide lower than 0. Disposable cans. You can also use Column 3 to find thesaturation. F) Water Temp 70 80 90 50 10 12 12 70 11 13 13 80 12 13 13 90 13 13 14 Low Side Pressures. The unit is on top, it's a vertical door closed freezer with a single compressor. It may be necessary to reset the pressure cut-outs to suit the different pressures of the replacement refrigerant. This refrigerant gas has low toxicity with 3920 global warming potential but less global warming potential than R404B. CFC and HCFC refrigerants (Freon, Arcton, etc. Not that any time. The Hot gas defrosting system with Auto and manual is available for your choices. Each regulator is available with an assortment of additional variations, enabling one regulator to perform several functions. Thermostatic Expansion Valve Danfoss TES2 068Z3403 R404A. China R404A Refrigeration Domestic Freezer Fridge Refrigerator AC Hermetic Reciprocating Compressor-Gqr80K 1/3HP, Find details about China Refrigeration Compressor, R404A Compressor from R404A Refrigeration Domestic Freezer Fridge Refrigerator AC Hermetic Reciprocating Compressor-Gqr80K 1/3HP - Zhejiang Maidi Refrigeration Technology Co. For new medium & low temperature applications. Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. Med Temperature.