Epoxy Coating Ductile Iron Silent Check Valve

  • Model NO.: H41T
  • Connection Form: Flange
  • Function: Nrvz Silence
  • Application: Water Industrial Usage
  • Trademark: KQ or OEM
  • Specification: ISO Quality Management System
  • HS Code: 8481804090
  • Material: Cast Iron
  • Structure: Spring
  • Standard: DIN
  • Pn:1.0,1.6MPa or 125lb ,150lb: Dn32~Dn300
  • Transport Package: Plywood Packing
  • Origin: Shanghai China
 
Epoxy Coating Ductile Iron Silent Check Valve
Silence Check Valve 
 
Brief introduction:
Silence check valves consist of valves body, seat, diversion shuttle, disc, bearing and spring etc.  The bore is flow-line designed so pressure loss is very little. The disc's stroke is very short and when stop the pump the valves can close quickly and prevent the great noise from water-hammering so the valves can close quietly without any noise .It is widely used in feeding/draining system, fire protection and heat supplying system, and it is installed at the outlet of the pump to prevent backward fluid's and water-hammering's damage to the pump.
    
Main part & material
Body: pray cast iron, ductile cast iron
Disc: steel plate, bronze
Spring: Stainless steel  
Seat: bronze
Pin: Stainless steel
 
Technical Specification
-Nominal diameter:50~350mm       
-Nominal pressure:1.0~1.6Mpa
-Medium: water and weak corrosive fluid, etc.

 Main external and connection dimension
Epoxy Coating Ductile Iron Silent Check Valve



DN 50 65 80 100 125 150 200 250 300 350
L 125 145 155 175 200 225 275 325 375 425

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