Valves, Tanks & Accessories
Flap valve
Valve for CNP pumps, used in 1 CNP series and listed in NBR + carbon steel.
- DN nominal bore
- L face-to-face length
- H height
What it is
A check or flap valve that stops liquid running back when the pump stops.
How it works
A disc opens with the flow and closes under spring or gravity to block reverse flow.
- Part group
- Valves, Tanks & Accessories
- Used in
- 1 CNP series
- Materials
- NBR + carbon steel
- Supply
- Quoted per pump model
Signs it needs replacing
- Pump loses prime
- Reverse flow or water hammer
- Chatter
Selection & fitting tips
- Match DN and pressure rating
- Fit in the direction of the arrow
What to send us to order
Pump model code, size, quantity.
We identify the exact part for your pump and reply with price and delivery.
Request a quotationSeries that use the flap valve
| Series | Listed as | Material | Standard | Fits sizes | |
|---|---|---|---|---|---|
| SP (self-priming sewage) | Flap valve | NBR + carbon steel | — | All sizes |
Related parts
Air-vent assembly2 series
Axial pressure gauge1 series
Back seat1 series
CHM pump unit1 series
Five-way check valve1 series
Plug4 series
Pressure tank1 series
Strainer1 series
How to order. Send us the pump model code (from the nameplate) and the quantity. We identify the exact part for your pump and reply with price and delivery. Use the part finder if you only know the model.