Nature USES new refrigerant R417a specifications

R417A can miscibility with existing frozen oil, suitable for typical R22 direct expansion ( DX） The system USES. It close with R22 operating pressure and efficiency, is a long-term solution to replace R22, without the need for changes to equipment and system, suitable for all kinds of using R22 air conditioning and refrigeration unit. At present, in the European replacement refrigerant R417A market accounted for more than 80% market share, is widely used in shopping malls, hotels, supermarkets and offices and other central air conditioning refrigerant replacement, its energy-saving, environmental protection, high efficiency and simple replacement ( Don't have to change the compressor and expansion valve) Characteristics, has become the product of choice for replacing R22 Europe. Especially the new energy-saving refrigerant air source heat pump water heater is preferred. Main application:

1. Refrigerant R417A for existing R22 refrigeration and air conditioning equipment of fluorine-free replacement:

is used to directly replace the existing direct expansion type air conditioning system ( Household, commercial air conditioning system) On the use of a new environmental protection refrigerant freon R22; At the same time also can be used in the temperature in commercial refrigeration system.

2。 Refrigerant R417A used in heat pump water heater ( Die erste installation) :

refrigerant R417A the successful application in the heat pump water heater, refrigerant R417A became the mainstream of the heat pump refrigerant.

refrigerant R417A ( ISCEONMO59，NU22） , is the earliest by France Rhodia Rhodia company ( The company is now the United States DuPont DuPont refrigerant) To develop. The heating, refrigeration and air conditioning engineers association ( ASHRAE这样) Grant number is R417A, refrigerant R417A toxicity and flammability rating is A1 / A1 level, ozone-depleting QianZhi ODP zero, can completely replace R22 system of old and new equipment, is now widely accepted all over the world environmental protection refrigerants.

refrigerant R417A can miscibility with existing frozen oil, suitable for typical R22 direct expansion ( DX） The system USES. It close with R22 operating pressure and efficiency, is a long-term solution to replace R22, without the need for changes to equipment and system, suitable for all kinds of using R22 air conditioning and refrigeration unit. At present, the refrigerant R417A replacement refrigerant in the European markets accounted for more than 80% market share, is widely used in shopping malls, hotels, supermarkets and offices and other central air conditioning refrigerant replacement, its energy-saving, environmental protection, high efficiency and simple replacement ( Don't have to change the compressor and expansion valve) Characteristics, has become the product of choice for replacing R22 Europe. The physicochemical properties:

name

refrigerant R417A refrigerant molecular weight

106. 7

boiling point ( 1 atm) ,℃

- 41. 8,

critical temperature ℃

89. 9

critical pressure, kPa 4242

saturated vapor pressure ( 25℃） ,985 kPa

。 3

heat of vaporization/latent heat of evaporation ( Below boiling point, 1 ATM) 203焦每千克

。 4

destroy ozone ozeme depletion potential ( ODP) 0

ozeme depletion potential global warming, GWP, 100年)

2200 ASHRAE security level

A1 ( Non-toxic nonflammable)

R417A refrigerant packing

disposable cylinder: 11. 3 kg/bottle; Reusable cylinder packaging ( Packaging to be recovered cylinder) : 400 kg/bottle, 1000 kg/bottle.

refrigerant R417A cylinder storage and transportation for pressure container, storage should be away from fire and heat source, prevent sun direct insolate, often store in a cool, dry and ventilated warehouse. Should be light, light discharge when handling to prevent damaged cylinders and valves and other accessories.

R417A add

in the repair process due to the filling process of refrigerant composition is constant, so don't need to use special packing procedures and equipment. R417A refrigerant leakage in filling or fairly stable proportion of the ingredients, Normally, after filling is used, if discover in refrigerant system capacity is insufficient, can be directly to make up, without the row has complete pump refrigerant. Experiment showed that when the leakage to reach more than 85% of the original composition change will only be about 5%. But the incombustible make its use more secure.

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