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DRVZ silence check valve Flanged end GB/T17241.6 GB9113 for feeding draining system
Product introduction
Silence check valve consists of valve 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 valve can close quickly and prevent the great noise from water hammering so the valve 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 technical parameters
Nominal pressure: 1.0-2.5MPa
Nominal diameter: 50-350mm
Service:water, oils, sea water, sewage
Working temperature:0-80
Flanged end: GB/T17241.6 GB9113
Inspection and test: GB/T 13927 API 598
Typical installation diagram
Material
Body and diversion shuttle:
disc and shaft:
spring
ductile cast iron seat, bearing,
Al-bronze or Cr-stainless steel
stainless steel
Main dimensions unit:mm
DN
40
50
65
80
100
125
150
200
250
300
350
L
110
120
150
180
229
254
267
292
330
356
381
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Exporter,Trading Company,Seller
Year Established:
2000
Total Annual:
3 Million-4 Million
Ecer Certification:
Verified Supplier
Our company Hontai Machinery and equipment (HK) Co. ltd focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transfor... Our company Hontai Machinery and equipment (HK) Co. ltd focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transfor...