Product Category: Wafer Check Valve 
 Product Name: Cast steel lift check valve on the folder 
 Product Model: H71H / W Series 

 H71H / W Series Cast steel lift check valves wafer characteristics 

 H71H / W series of folders lift check valve is a strong Germany Valve R & D and production of its compact, flat or vertical installation in piping systems to prevent the media back, with short, small size, light weight; valve flap quickly turn off the water hammer pressure; smooth flow, the fluid resistance is small; quick action and good sealing performance. By the valve body, valve and spring, the use of the wafer, due to the closure of a short trip folder Lift check valve, with spring pre-load, to avoid water hammer phenomenon. The non Kay Valve Co., Ltd. production in Shanghai Alison H71H/W-16/25Q/H/P type folder lift check valve has been widely used in urban construction, industrial and high-rise buildings, water supply, drainage network on the road. 

 H71H / W series cast steel clamp lift check valve technology specification 

 The basic design: JB / T 8937 
 Test: GB / T 13927 

 H71H / W series cast steel clip lift check valve product specifications 

 Product Type: H71H, H71W 
 Size range: DN15 ~ DN300 
 Pressure rating: 1.6 ~ 6.4MPa 
 Shell material: carbon steel, stainless steel 
 Applicable medium: gas, liquid, steam 
 Operation: Automatic