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The letter R407/ letter snow cold coal price / letter / snow / air conditioning refrigerant refrigerant

price:USD$658.00
discount 70% in 2018-10-18 to 2018-10-20
price: USD$ 460.60
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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R-407C, alias R407C, because R-407C belongs to the HFC type non azeotropic refrigerant (completely free of destruction of the ozone layer, CFC, HCFC) are the current mainstream recognized and recommended by most of countries in the world in the high temperature refrigerant, widely used in refrigeration equipment on the initial installation and maintenance in the process of adding. It meets the standards of EPA, SNAP and UL of the environmental protection organization of the United States, and conforms to the A1 safety class of the association of heating, refrigeration and Air Conditioning Engineers (ASHRAE) in the United States (i.e., the highest level, harmless to human body).

Main uses of R-407C

R-407C is widely used as the high temperature refrigerant, mainly used in household air conditioners, small and medium-sized commercial air-conditioning (small and medium sized unit type air conditioning, household central air-conditioning, multi line), mobile air conditioning (automobile air conditioner), dehumidifier, refrigeration dryer, marine refrigeration equipment, refrigeration equipment and refrigeration industry. R407C refrigerant is the simplest alternative to freon R22 on new refrigeration equipment (usually air conditioning); but because of performance, R407C and R22 theory of cycle performance and compressor oil are not the same, so the installation of R22 refrigerant refrigeration equipment maintenance and customer service, if need to add or replace the refrigerant, still you can add R22, usually not directly to R407C instead of R22 (for refrigeration equipment, installation using R22 repair or replacement can be directly replaced by R22 R417A).

Physical and chemical properties of R-407C

Refrigerant name

R-407C

molecular weight

86.2

Boiling point (1atm), temperature

-43.6

Critical temperature, temperature

86.74

Critical pressure, kPa

4620

Saturated vapor pressure (25 C), kPa

1174

Vaporization heat / evaporation latent heat (boiling point, 1atm), kJ/kg

250

Ozone potential (ODP) was destroyed

0

Global warming potential (GWP, 100yr)

1700

ASHRAE security level

A1 (non-toxic, nonflammable)

Comparison of theoretical cycle performance between R-407C and R-22

Cryogen

R-407C

R-22

Refrigerating capacity

1.00

1.00

Effective coefficient

6.27

6.43

Compression ratio (rate)

2.83

2.66

Compressor release temperature

75.1

77.3

Compressor release pressure kPa

1763

1662

Temperature sliding temperature

4.9

0