Applicable to the construction of real estate, parks, bridges and tunnels, construction of harbors and airports, construction of railways and highways, construction of power and communication engineering, construction of dams and water conservancy projects, energy production, and storage Construction and construction, construction of agricultural production, reserve engineering, construction of municipal infrastructure, greening projects, etc. Boring Hole Drill Rig,Diesel Engines Boring Rig,Hydraulic Drilling Rig,Crawler Drilling Rig SHANDONG YAHE CONSTRUCTION MACHINERY CO., LTD , https://www.pilingdriver.com
 
Silence Check ValveÂ
Â
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.
  Â
Main part & material
Body: pray cast iron, ductile cast iron
Disc: steel plate, bronze
Spring: Stainless steel Â
Seat: bronze
Pin: Stainless steel
Â
Technical Specification
-Nominal diameter:50~350mm      Â
-Nominal pressure:1.0~1.6Mpa
-Medium: water and weak corrosive fluid, etc.
 Main external and connection dimension
DN
50
65
80
100
125
150
200
250
300
350
L
125
145
155
175
200
225
275
325
375
425
Epoxy Coating Ductile Iron Silent Check Valve
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