Dual Dashley Double Ball Check Valve
From Dual Valves
Dual's Dashley Valve operates on the discharge side of two pumps in parallel. Both pumps can run simultaneously or independently. When both or one pump is switched off, the ball will automatically drop back stopping the back flow to the pump
Features
- As the elastomer covered ball rises or falls it rotates with the flow.
- This ensures that the valve self cleans and permits it to open and close reliably even under severe conditions of slurry build up.
- Minimal pressure drop.
- Optional Handwheel for isolation
Valve Specifications
- The body is carbon steel (fabricated).
- The valve body can be lined in linatex, natural black, neoprene, hypalon, E.P.D.M rubber, Ceramic or Urethane.
- Seats are replaceable and can be made of any material requested by the client.
- Balls are replaceable and are made of urethane or rubber.
- Valve flanged to customer specification.
- Valve body and face-to-face dimension can be changed to suit existing applications.
- Flushing port in ball bodies.
- Lifting Lugs
- Balls can be replaced or inspected from top ball cover.
- Different mounting brackets can be fitted to suit application.
further technical data on the Dual Dashley Double Ball Check Valve
