郑州北方阀门公司 供法兰橡胶瓣止回阀 消音止回阀 微阻缓闭止回阀HH44X-10/16/25高中低压止回阀H44H.缓闭止回阀HH44X

　　止回阀H41H-16.H42H-25,HH44Z/X.KHH44X

　　法兰卧式止回阀H41H-16/25.H41H/Y-40/64.H41H/Y-100/160.

　　H41W-16/25P.H41W40/64P.

　　法兰立式止回阀H42H-16/25.H42H40/64.H42Y-160.H42X-16.H42F-16.

　　旋启式止回阀H44H-16/25.H44H-40/64.H44H-100

　　液化气止回阀H42N-25/40.

　　蝶式止回阀H74H-25.H71H-25.H72Y-320.H77X-16.

　　微阻缓闭止回阀HH44X-10/16/25.KHH44X-10/16/25.HH44X/T/H-10/16/25..

　　HH48X/H-10/16/25.HH49X/H-10/16/25.

　　微阻缓闭消声止回阀DHH44H.DHH44X.

　　蝶式缓冲止回阀HH47X/H.H47XF.HDH47X.本阀门适用于水.蒸汽.油品等介质管路上，作单向启闭用。温度200度--425度。