Roof Drain Systems

Dual Flap Wafer Check Valve


Main Features
Dual Flap Wafer Check Valve is designed to operate with the minimum of flow restriction. The twin spring loaded half disc operate with the pipeline flow and reseal back against the rubber disc seating providing a positive shut off against any back flow. The resillent seating prevent a slamming action.
Check Valves offer greater flexibility and low cost in most piping systems and moreover, of its light weight, it is so convenient to install and has smaller face to face dimension than conventional swing check valve.
These valves can be supplied to match the international standards of flange (DIN, ANSI, JIS & BS).
Check Valves when compared with other traditional isolating valve such as swing check valve
offer the following advantages:
- Low purchase cost
- Compact design
- Non-slam principle of operation
- Light weight
- Easy installation
- Good flow characteristic and less pressure drop
- Suitable for horizontal and vertical up flow









Dark


Light