●Description: Wafer type double disc swing check valves are usedin
allkinds of pipes under the pressure of PN1.6 ～ 16.0Mpa,class150-900and
working temperature of –196-425 ℃ .They are mainly used to prevent the reverse
flux of the media.
●Standards:
Design: GB.
Face to Face: GB12221.
Flange: GB/T 9113.
●Materials: Ductile iron, cast iron
●Nominal sizes: DN80—600mm
●Pressure: PN10/16/25
●Corrosion protection: Inside and outside FBE.
●suitable medium: Water, oil, steam.
●Package: wooden case with plastic layer, wooden pallets with
plastic layer, steel crates.
●Features：
1. Short length, small volume and light weight.
2. Either soft sealing or hard sealing can be applied for the
sealing surface according to different working conditions, both of which
promise rlux of the media.
3. With a small starting pressure ,the valve discs can be fully
opened under a very small pressure difference.
4. Fast discs closing and small water hammer pressure.
5. Convenient installation and applicability on both ievel and
vertical pipes.
6.
Different materials for the parts, sizes and forms of the valves surfaces are
available for free com bination according to the working facts and the
customer’s requirements.
