Energy Saving Muffle Silent Back-Pressure Reflux Check Valve for Water Pipeline
Important shape and joint size :mm
The check valve is suitable for the water supply and drainage pipeline. The valve is guided by the intermediate shaft at both ends of the inlet. It is easy to open and close. It can be installed horizontally or vertically. The valve is loaded by spring, and its quick closing can eliminate the water hammer effectively. The sealing performance is good, and no noise is turned off. It has the advantages of small size, light weight, small fluid resistance, resistance to fatigue, long life and other benefits.
Important technical parameters
Nominal pressure: 1 ~ 1.6MPa
Nominal: 40 ~ 600mm
Applicable medium: water and weak corrosive fluid
Applicable temperature: 0~80 C
Flange standard: GB/T 17241.6 GB/T 9113
Test standard: GB/T 13927 AP 1598
Important parts and materials
model
valve body
sealing ring
spring
H41X-10
cast iron stainless steel
Nitrile butadiene rubber(NBR)
stainless steelICr18Ni9Ti
H41X-16
cast steel stainless steel
Nitrile butadiene rubber(NBR)
stainless steelICr18Ni9Ti
DN
40
50
65
80
100
125
150
200
250
300
350
400
450
500
600
L
112
120
130
150
165
190
210
255
310
320
380
405
430
450
510
Â