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Sliding ball type check valves disc is a ball coated with rubber and dependant on the linepressure the ball can slide up and down in the integrated chute in the body to open or close thevalves without any noise and water-hammering and good sealing capability The boreis full without any block so the flow rate is much with little resisting force and little pressureloss and water-head loss is 50% of swing check valves. It can be installed vertically orhorizontally and widely used in cold water's, hot water's, industry's and sewage's pipeline and itis more for sewage submersible pump.

Mail part & material
Body: Cast iron, ductile cast iron
Bonnet: Cast iron, ductile cast iron
Ball: cast steel coated with rubber
Technical Specification
Nominal pressure: 1.0-1.6MPa
Nominal diameter: 50-350mm
Medium: water and weak corrosive fluid
Working temperature: 0-80^oC
Flanged end: GB/T17241.6 GB9113
Inspection and test: GB/T 13927 API 598

Main external and connection dimension