Zhejiang Guanlong Machinery Valve Co., Ltd.  

Product Name: Wafer Lift Type Spring Loaded Non Return Check Valve (H71H/W) Model NO.: H71H/W Application: Industrial Usage, Water Industrial Usage Standard: ANSI, API, DIN, BS, GB etc Flow Direction: Unidirection Sealing Form: metal to metal Function: Nrvz Silence, Nrvg Silence Pressure: Ordinary Pressure Structure: Elevated Connection Form: Wafer Material: Cast Steel, Stainless Steel etc Temperature: Ordinary Temperature Media: Water, Steam, Oil, Gas etc Certificate: ISO, Ce Temperature Applicable: ?200