Material Cast iron check valve 1. 2. 3. Stainless steel valve brass check valve 5. 4. Carbon steel valve 1, the short length of the structure, valve type, The structure length of only the traditional flange check valve 1/4 to 1/82, small size, light weight, check valves, its weight is only the traditional flange check valve 1/4 to 1/203, the valve closed fast, small water hammer pressure of 4, horizontal pipe or vertical pipe can be used, easy installation 5, flow smooth, fluid resistance 6, sensitive, good sealing performance 7, the valve stroke is short, close little impact 8 overall simple and compact structure, attractive appearance 9, long life, reliable performance check, Dingrui air conditioning, check image provided by the manufacturers Limited wucheng Dingrui air conditioning equipment. Check valve, Dingrui air conditioning, check picture manufacturers are wucheng Dingrui Air Conditioning Equipment Co., Ltd. (www.wcdrkt.com) (www.wcdrkt.com) this year introduced a new upgrade, the above picture is for reference only, please You call Tel picture on this page or to obtain the latest information, contact: Qiu East only.