| product introduction |
Sliding ball type check valve's disc is a ball coated with rubber and dependant on the line pressure the ball can slide up and down in the integrated chute in the body to open or close the valve without any noise and water-hammering and good sealing capability The bore is full without any block so the flow rate is much with little resisting force and little pressure loss and water-head loss is 50% of swing check valve's.It can be installed vertically or horizontally and widely used in cold water's,hot water's,industry's and sewage's ppipeline and it is more for sewage submersible pump. |
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main technical parameters |
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Nominal pressure: 1.0-1.6
Nominal diameter: 50-350mm
service:water and weak corrosive fluid
Working temperature:0-80
Flanged end: GB/T17241.6 GB9113
Inspection and test: GB/T 13927 API 598
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Typical installation diagram
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Material |
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part
|
body
|
Ball
|
|
Material
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Cast iron,ductile cast iron,cast steel
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coated with rubber
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main dimensionsunit:mm |
|
DN
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
|
L
|
180
|
200
|
260
|
300
|
350
|
400
|
500
|
600
|
700
|
800
|
|
D
|
185
|
210
|
245
|
280
|
335
|
400
|
495
|
600
|
715
|
820
|
|
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