It's used for refrigeration equipment,such as air-conditioner and refrigerator,to prevent high-pressure adverse current white compressor in the system stops work amd to increase coolant volume to reach required heating while it is marking heat.
  Characteristics:adopt stainless steel poppet;has a good sealing performance and steady leading;the poppet slips smoothly in valve seat and won't be locked;there is no noise during work;the longer it works,the better performance it has and the fewer leakage it has;has long service life;don't need cooling protection and don't deform during high-temperature welding.
  Suitable media:R22,R407C,R410A,R134A
Path Diameter:2.8-10mm
  Note:Check valves with various interfaces can be
    produced according to different requirements.
Characteristics:It's suitable for coil pipe of big power cabinet style air-conditioner and blower fan.It adopts a special sealing material.It has a good sealing performance,a big path diameter and a big flow,which may replace check valve imported.
Characteristics:Capillary tube has been welded together with check valve so as to provide convenience for client's installation and to avoid deforming when clients fix it.
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