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DRVZ silence check valve Flanged end GB/T17241.6 GB9113 for feeding draining system

Place of Origin: Zhejiang

Company Profile

Location: Shenzhen, Guangdong, China (Mainland)
Business Type: Manufacturer
Main Products: Electric Valve Actuator

Product Detail

Model No.: DRVZ

Product Description

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

 

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