【Use】
Unloading valves are used in household air conditioners with high ambient temperature in middle eastern countries and various high-power air conditioners,used for automatic pressure relief from high pressure system to low pressure system in air conditioner.
【Explain】
◇ When welding with the main engine, cool valve body with water or wet cloth so that the temperature of valve body does not exceed 120℃.
◇ Adjust valve nut and loose, it shall be used after retest and qualified
◇ Recommended installation: valve body vertical upward.
【Working Conditions】
Suitable Refrigerant: R22、R407C、R410A etc.
Medium Temperature: -30℃~+80℃
Environment Temperature: -30℃~+55℃
Max Working Pressure: 4.2MPa
【Basic Parameters】
Product Name
|
Opening Pressure(Mpa)
|
Closing Pressure (Mpa)
|
Internal Leakage(ml/min)
|
Copper Connecting Dia(mm)
|
XHF3
|
2.35
|
Opening Pressure Value
-0.2
|
≤500
|
Φ6.35
|
XHF3.4
|
4.0
|
Φ8.00
|