Freon™ 404A (R-404A) is a blended hydrofluorocarbon (HFC) refrigerant comprised of R-125, R-134a, and R-143a. It was designed to replace R-502 and R-22 used in commercial refrigerator …

2019年2月25日 · R-404A is a ternary refrigerant blend consisting of the HFC R-125 (forty-four percent), HFC R-143a (fifty-two percent), and HFC R-134a (four percent). R-404A is used …

Freon™ 404A (R-404A) 是由 R-125、R-134a 和 R-143a 混配而成的氢氟烃 (HFC) 制冷剂。 它可用于替代中低温商用冷库设备中使用的 R-502 和 R-22。 其性能使其成为陈列柜、冷藏车、制 …

What is R-404A Refrigerant? R-404A Refrigerant or R404/R404A Refrigerant is a mixture of chemicals similar to other HFCs such as R-410A or R-134A. R-404A isn’t as popular as the …

New tables of the thermodynamic properties of Freon™ 404A (R-404A) refrigerant (ASHRAE designation: R-404A [44/52/4]), a near azeotropic blend of HFC-125/HFC-143a/HFC-134a, …

R404A will soon be banned in new refrigeration applications in Europe, and from 2020 onwards, only recycled refrigerants can be used for servicing. Here is a list of replies to the many …

reonTM 404A (R-404A) offers the best overall properties when compared with R-502. Capacity and efficiency values should be equivalent to R-502, and compressor discharge temperatures …

INHALATION: R-404A is low in acute toxicity in animals. When oxygen levels in air are reduced to 12-14% by displacement, symptoms of asphyxiation, loss of coordination, increased pulse rate …

R-404A HFC 97.6-51.8 548.2 162.5 35.84 66.37 0.342 86.1 0.3600 0.2077 0 3920 A1 1.5 Refrigerant Reference Guide 33 5th Edition 2010 R-404A Technical Guidelines Applications: …

There are significant differences between R-502, R-404A, and R-452A, which must be considered when handling, processing, applying, or retrofitting with these refrigerants. These guidelines …