Refrigerant is directly related to the refrigeration effect of معدات التبريد even personal safety, so you should know these common refrigerants’ knowledge.
R22
R22 refrigerant is used in household مكيف هواء, مكيف الهواء المركزي, mobile air conditioner, heat pump water heater, مزيل الرطوبة, refrigerated dryer, غرفه بارده, طعام معدات التبريد, marine refrigeration equipment, industrial refrigeration, التبريد التجاري, refrigeration condensing unit, supermarket display cabinets and other refrigeration equipment.
يلاحظ: Currently R22 refrigerant has been banned in most countries and regions!
| غرض | وصف |
|---|---|
| اسم | Monochlorodifluoromethane, or Freon R22 |
| Abbreviation | R22, HCFC-22 |
| تصنيف | Pure substance |
| Chemical formula | CHClF2 |
| Molecular weight | 86.5 |
| Molar mass | 86.5جم / مول |
| Triple point temperature | -157℃ |
| Standard boiling point | -40.82℃ |
| حرارة حرجة | 96℃ |
| ضغط حرج | 5MPa (absolute pressure) |
| Critical density | 0.524ز / سم 3 |
| Eccentricity factor | 0.22kJ (kg*℃) |
| Liquid relative density | 1.177 (20/4℃) |
| Vapor relative density (air=1) | 4.82 |
R23
R23 is a widely used ultra-low temperature refrigerant, such as environmental test chamber and equipment, freeze dryer, ultra-low temperature refrigerator or freezer, blood bank refrigerator, biochemical test chamber and other deep-freezing equipment.
It also used as a gas fire extinguishing agent, which is cleanliness, low toxicity and good fire extinguishing effect.
| غرض | وصف |
|---|---|
| اسم | fluoroform |
| Abbreviation | R23 |
| Chemical formula | CHF3 |
| Molar mass | 86.5جم / مول |
| Triple point temperature | -157℃ |
| Standard boiling point | -82.1℃ |
| حرارة حرجة | 25.9℃ |
| ضغط حرج | 4.84MPa (absolute pressure) |
| Critical volume | 133ml/mole |
| CAS Number | 75-46-7 |
| ODP | 0 |
| GWP | 1200 |
| Evaporation potential at boiling point | 240kJ/kg |
| Specific heat | 1.55kJ/kg·℃ |
R32
R32 is a new type eco-friendly refrigerant. It doesn’t contain chlorine and therefore has no destructive effect on ozone.
لكن, it is flammable and explosive.
It is one of the substitutes for R22 and R410A refrigerants.
| غرض | وصف |
|---|---|
| اسم | difluoromethane |
| Abbreviation | R32 |
| Chemical formula | CH2F2 |
| Molecular weight | 52 |
| Standard boiling point | -53℃ |
| حرارة حرجة | 78℃ |
| ضغط حرج | 5.8MPa (absolute pressure) |
| Critical density | 0.430ز / سم 3 |
| CAS Number | 75-10-5 |
| ODP | 0 |
| GWP | 0.11 |
| Evaporation potential at boiling point | 390 kJ/kg |
| Specific heat | 2.35 kJ/kg·℃ |
R134a
R134a, as one most widely used medium and low temperature refrigerant, is a very effective and safe alternative to R12.
| غرض | وصف |
|---|---|
| اسم | tetrafluoroethane |
| Abbreviation | R134a |
| Chemical formula | C2H2F4 |
| Molecular weight | 52 |
| Standard boiling point | -26.1℃ |
| حرارة حرجة | 101.1℃ |
| ضغط حرج | 4066.6KPa |
| Critical density | 0.512ز / سم 3 |
| CAS Number | 811-97-2 |
| ODP | 1300 |
| GWP | 0.29 |
| Evaporation potential at boiling point | 216kJ/kg |
| Specific heat | 1.51kJ/kg·℃ |
R404a
تعبير: R125, R134a, R143a. It’s one most widely used medium and low temperature refrigerant, commonly used in التخزين البارد, طعام freezing equipment, marine معدات التبريد, industrial low temperature refrigeration, commercial low temperature refrigeration, transportation refrigeration equipment (refrigerated trucks, إلخ.), refrigeration condensing unit, supermarket display cabinets and other معدات التبريد.
| غرض | وصف |
|---|---|
| اسم | Mixed refrigerant (R125, R134a, R143a) |
| Abbreviation | R404a |
| Chemical formula | HFC-404A |
| Molecular weight | 97.6 |
| Molar mass | 97.6جم / مول |
| حرارة حرجة | 72℃ |
| ضغط حرج | 3.7 MPa (absolute pressure) |
| Critical density | 0.4842ز / سم 3 |
| CAS Number | 354-33-6/811-97-2/420-46-2 |
| كثافة السائل (25℃) | 1.045ز / سم 3 |
| نقطة الغليان (101.3KPa) | -46.1℃ |
| Specific heat (25℃) Kj/(kg.k) | 1.54 |
| Isobaric steam specific heat (30℃,101.3kPa) | 0.21 |
| ODP | 0 |
| GWP | 3850 |
R290
R290 is a hydrocarbon refrigerant, which is flammable and explosive! It has no damage to the ozone layer and has a very small greenhouse effect, and it’s one of the most eco-friendly refrigerant.
R290 used to replace R22 and R502 refrigerants in low-temperature معدات التبريد. Since R290 refrigerant is flammable and explosive, so usually only used in low-temperature refrigeration equipment with small refrigerant charge.
R290 is compatible with traditional lubricants, and used for مكيف الهواء المركزي, heat pump air conditioner, household air conditioner and other small معدات التبريد.
| غرض | وصف |
|---|---|
| اسم | propane |
| Abbreviation | R290 |
| Chemical formula | CH3CH2CH3、C3H8 |
| Molecular weight | 44 |
| Standard boiling point | -42.2℃ |
| حرارة حرجة | 96.7℃ |
| ضغط حرج | 4.25MPa (absolute pressure) |
| ODP | 0 |
| GWP | 20 |
R600a
R600a is a hydrocarbon refrigerant with excellent performance, قابل للاشتعال والانفجار, doesn’t damage ozone layer, no greenhouse effect.
It has large latent heat of evaporation and strong cooling capacity, good flow performance, low delivery pressure, انخفاض استهلاك الطاقة, and slow load temperature recovery. It is compatible with various compressor lubricants.
| غرض | وصف |
|---|---|
| اسم | isobutane |
| Abbreviation | R600a |
| Chemical formula | CH(CH3)3、CH3-CH(CH3)-CH3 |
| Molecular weight | 58 |
| Standard boiling point | -11.7℃ |
| حرارة حرجة | 135℃ |
| ضغط حرج | 3.6 MPa (absolute pressure) |
| Critical density | 226kg/m3 |
| Vapor density (air = 1) | 2.01 |
| CAS Number | 75-28-5 |
| ODP | 0 |
| GWP | 0 |
R433b
R433b refrigerant is a hydrocarbon refrigerant with small molecular weight, good flow performance, low delivery pressure, reduced compressor load, and extended compressor service life.
| غرض | وصف |
|---|---|
| اسم | Mixed refrigerant (Propylene, Propane) |
| Abbreviation | R433b |
| Chemical formula | R433B，HC-433B |
| Molecular weight | 44 |
| Molar mass | 44جم / مول |
| حرارة حرجة | 96℃ |
| ضغط حرج | 4.27MPa |
| Critical density | 221 |
| CAS Number | 74-98-6/115-07-1 |
| ODP | 0 |
| GWP | 3 |
R436a
R436a is a hydrocarbon refrigerant that doesn’t damage the ozone layer and has no greenhouse effect.
Its thermal performance is similar to R134a.
| غرض | وصف |
|---|---|
| اسم | Mixed refrigerant (R32,R125, R134a) |
| Abbreviation | R436a |
| Chemical formula | HC-436A |
| Molecular weight | 38 |
| Molar mass | 38جم / مول |
| حرارة حرجة | 33.4℃ |
| ضغط حرج | 4.27 MPa (absolute pressure) |
| Critical density | 0.17ز / سم 3 |
| CAS Number | 74-98-6/75-28-5 |
| ODP | 0 |
| GWP | 3 |
R407c
R407c is an eco-friendly medium and high temperature refrigerant mixed with R32, R125 and R134a, which used in various air-conditioning systems and non-centrifugal refrigeration systems.
Mainly used in household مكيف هواء, small and medium-sized commercial air conditioner, mobile air conditioner (car air conditioner, إلخ.), dehumidifiers, refrigerated dryers, marine معدات التبريد, industrial refrigeration and other refrigeration equipment.
| غرض | وصف |
|---|---|
| اسم | Mixed refrigerant (R125, R32, R134a) |
| Abbreviation | R407c |
| Chemical formula | HFC-407C |
| Molecular weight | 86.2 |
| Molar mass | 86.2جم / مول |
| حرارة حرجة | 85.8℃ |
| ضغط حرج | 4.6 MPa (absolute pressure) |
| Critical density | 0.4753 ز / سم 3 |
| CAS Number | 75-10-5/354-33-6/811-97-2 |
| كثافة السائل (25℃) | 1.136kg/L |
| نقطة الغليان (101.3KPa) | -43.6℃ |
| Saturated vapor pressure (25℃) | 1174kPa |
| Latent heat of evaporation | 250kJ/kg |
| ODP | 0 |
| GWP | 1.526 |
R410a
R410A is a new type eco-friendly refrigerant that doesn’t damage the ozone layer. Its working pressure is 1.6 times that of R22.
It has high refrigeration efficiency and used as a substitute for R22.
Since R410a and R22 have different pressures (R410a pressure is much higher than R22), و ال compressor oil is also different, so we forbidden to use R410a for after-sales maintenance of معدات التبريد initially installed with R22 refrigerant.
| غرض | وصف |
|---|---|
| اسم | Mixed refrigerant (R125 50% + R32 50%) |
| Abbreviation | R410a |
| Chemical formula | HFC-410A |
| Molecular weight | 72.6 |
| Molar mass | 72.6جم / مول |
| حرارة حرجة | 70.5℃ |
| ضغط حرج | 4.8 MPa (absolute pressure) |
| Critical density | 0.4339 ز / سم 3 |
| CAS Number | 75-10-5/354-33-6 |
| كثافة السائل (25℃) | 1.136kg/L |
| نقطة الغليان | -51.6℃ |
| Saturated liquid density (30℃) | 1.038 ز / سم 3 |
| Liquid specific heat (30℃) | 1.78 [KJ/(Kg·℃)] |
| ODP | 0 |
| GWP | 2090 |
CO2
CO2 refrigerant is a natural substance. It has no destructive effect on the atmospheric ozone layer, can reduce the global greenhouse effect, doesn’t need recycle, can greatly reduce the cost of refrigerant replacement, save energy, fundamentally solve the problem of compound pollution to the environment, and has good economic efficiency.
فضلاً عن ذلك, CO2 is safe, non-toxic, non-flammable, good thermal stability. CO2 has thermal properties that are compatible with refrigeration cycles and equipment.
It has large refrigeration capacity. The unit refrigeration capacity at 0°C is 5~8 times higher than that of conventional refrigerants.
| غرض | وصف |
|---|---|
| اسم | CO2 |
| تصنيف | Pure substance, natural refrigerant |
| Molecular weight | 44.01 |
| Molar mass | 44.01 جم / مول |
| Standard boiling point | -40.82℃ |
| حرارة حرجة | 31.1℃ |
| ضغط حرج | 7.38 MPa (absolute pressure) |
| Critical density | 0.468 g/cm³ |
| Boiling Point | -78.5℃ |
| Saturated Liquid Density (at 30℃) | 1.177 (20/4℃) |
| Liquid Specific Heat (at 30℃): | 0.85 KJ/(Kg·℃) |
| ODP | 0 |
| GWP | 1 |
| CAS Number | 124-38-9 |
| Evaporation Potential at Boiling Point | 345.5 KJ/Kg |
R507
R507 refrigerant doesn’t contain CFC and HCFC that damage the ozone layer. It’s a main low-temperature eco-friendly refrigerant recognized and recommended by most countries in the world.
R507 widely used in التخزين البارد, طعام freezing equipment, marine معدات التبريد, industrial low-temperature refrigeration, commercial low-temperature refrigeration, refrigerated trucks, refrigeration condensing units, supermarket display cabinets and other refrigeration equipment.
| غرض | وصف |
|---|---|
| اسم | R507 |
| تصنيف | Mixture, blended refrigerant |
| Molecular weight | 98.9 |
| Molar mass | 98.9 جم / مول |
| حرارة حرجة | 70.9℃ |
| ضغط حرج | 3.79 MPa (absolute pressure) |
| Critical density | 0.485 g/cm³ |
| Boiling Point | -47.1℃ |
| Saturated Liquid Density (at 30℃) | 1.032 g/cm³ |
| Liquid Specific Heat (at 30℃): | 1.53 KJ/(Kg·℃) |
| ODP | 0 |
| GWP | 1 |
| CAS Number | 354-33-6/75-10-5 |
| Evaporation Potential at Boiling Point | 200.5 KJ/Kg |
R717
R717 (الأمونيا) refrigerant is easy to make, cheap, doesn’t damage the ozone layer, no greenhouse effect. Ammonia vapor is colorless and has a strong irritating odor.
Ammonia is highly toxic to the human body and can cause frostbite when ammonia liquid splashes onto the skin.
Ammonia isn’t easy to burn at room temperature, but when heated to 350°C, it decomposes into nitrogen and hydrogen. When hydrogen mixes with oxygen in the air, it will explode.
| غرض | وصف |
|---|---|
| اسم | R717 |
| تصنيف | Pure substance, natural refrigerant |
| Molecular weight | 17.03 |
| Molar mass | 17.03 جم / مول |
| حرارة حرجة | 132.4℃ |
| ضغط حرج | 11.3 MPa (absolute pressure) |
| Critical density | 0.235 g/cm³ |
| Boiling Point | -33.3℃ |
| Saturated Liquid Density (at 30℃) | 0.682 g/cm³ |
| Liquid Specific Heat (at 30℃): | 4.6 KJ/(Kg·℃) |
| ODP | 0 |
| GWP | 0 |
| CAS Number | 7664-41-7 |
| Evaporation Potential at Boiling Point | 1368 KJ/Kg |
R449a
R449a is alternative to R404a refrigerant and widely used in medium and low temperature refrigeration applications such as supermarket refrigerated display cabinets, refrigerated transportation, low-temperature التخزين البارد, industrial and commercial refrigeration systems.
| غرض | وصف |
|---|---|
| اسم | R449A |
| تصنيف | Mixture, blended refrigerant |
| Molecular weight | 87.2 |
| Molar mass | 87.2 جم / مول |
| حرارة حرجة | 81.5℃ |
| ضغط حرج | 4.49 MPa (absolute pressure) |
| Critical density | 0.484 g/cm³ |
| Boiling Point | -46.3℃ |
| Saturated Liquid Density (at 30℃) | 1.07 g/cm³ |
| Liquid Specific Heat (at 30℃): | 1.53 KJ/(Kg·℃) |
| ODP | 0 |
| GWP | 1397 |
| CAS Number | 1234yf/125/134a/32 |
| Evaporation Potential at Boiling Point | 250 KJ/Kg |
R513a
R513a mainly used in medium and low temperature معدات التبريد, مثل التبريد التجاري display cabinets, المبردات, سوبر ماركت معدات التبريد, السيارات air-conditioning systems and other industrial refrigeration applications.
| غرض | وصف |
|---|---|
| اسم | R513A |
| تصنيف | Mixture, blended refrigerant |
| Molecular weight | 102.0 |
| Molar mass | 102.0 جم / مول |
| حرارة حرجة | 95.0℃ |
| ضغط حرج | 3.63 MPa (absolute pressure) |
| Critical density | 0.491 g/cm³ |
| Boiling Point | -29.2℃ |
| Saturated Liquid Density (at 30℃) | 1.12 g/cm³ |
| Liquid Specific Heat (at 30℃): | 1.75 KJ/(Kg·℃) |
| ODP | 0 |
| GWP | 573 |
| CAS Number | 811-97-2/754-12-1 |
| Evaporation Potential at Boiling Point | 210 KJ/Kg |
