Trademark:
Model:

Product introduction:
Oversized silence check valve is flow-line designed according to hydrodynamics and the pressure loss is very little.The valve is installed at the outlet of the pump,and it closes before the fluid flow backward,so prevent water-hammering,water-hitting and destructive impact.So the valve can run quietly in the system.It is widely used in feeding/draining system,fire protection,heat supplying system and industry.
Main technical parameters
Nominal Pressure: 1.0-2.5MPa
Nominal Diameter: 300-1200mm
Service:water,oils,sea water,sewage
Working Temperature:0-80ºC
Flanged End: GB/T17241.6 GB9113
Inspection and Test: GB/T 13927 API 598

  
    
    
    
    
    
    
    
  
  
    
    
    
    
    
    
    
  

Part	Body	Disc	Bearing	Spring	Diversion shuttle	Seat
Material	GG25	ZQA19-4	ZQA19-4	SUS316	Gg25	ZQA19-4

  
    
    
    
    
    
    
    
    
    
    
    
    
  
  
    
    
    
    
    
    
    
    
    
    
    
    
  

DN	300	350	400	450	500	600	700	800	900	1000	1200
L	181	184	191	203	219	222	280	356	368	432	524