check valve for refrigeration and air conditioning

Features:
It's suitable for air-conditioner and refrigerator,it is used to prevent high-pressure adverse current when the compressor stop work amd to increase coolant volume while the system are heating.
Characteristics: with stainless steel poppet;has a good sealing performance and steady leading,the poppet slips smoothly in valve seat and won't get stuck;there is no noise during working.the longer it works,the better performance it has and the fewer leakage it has and the longer its life would be.No cooling protection is necessary and it is free of distortion during high-temperature welding.
Suitable media:R22,R407C,R410A,R134A
Note: Check valves with various interfaces could be produced according to different requirements. Capillary tube could be welded together with check valve so as to facilitate client's installation and to avoid deforming when clients fix it.