GENERAL
H44X rubber disc check valve is mainly made up of body, cover and disc, and the disc adopts steel board, steel bar and nylon as underlay, and coated with rubber, its open and close service life could up to one million times. The valve adopts full bore design, which makes it have small head loss, not easy accumulate foreign matters, but easy for maintenance.
H44X rubber disc check valve is applicable to water supply and drainage system, which can be mounted on the pump outlet to prevent of backflow and water hammer. It can be also mounted on the bypass pipe of reservoir inlet and outlet pipe to prevent the water in the reservoir flow back to water supply system.
TECHNICAL SPECIFICATIONS
Nominal Pressure: 1.0~1.6 MPa
Nominal Diameter: 50~600mm
Applicable Medium: Water, Corrosive Fluids
Applicable Temperature: 0~80℃
Flanged Ends: GB/T 17241.6, GB/T 9113, ASME B16.1 / B16.5, DIN2532-2534, DIN2542-2544
Inspection and Test: GB/T 13927, API 598
MATERIALS
|
Part
|
Body
|
Cover
|
Disc
|
|
Material
|
Cast Iron
|
Cast Iron
|
Steel + Rubber
|
DIMENSIONS
|
DN（mm）
|
50
|
65
|
80
|
100
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
L
|
203
|
216
|
241
|
292
|
356
|
495
|
622
|
698
|
787
|
914
|
978
|
978
|
1295
|
Ball Valve 
