Composite Material Flap Valve Cost-Effective Valve Superior Quality Backflow Prevention Supply Range is From DN300mm to DN3000mm Low Headloss and Maintenance Free
Composite Material(FRP) Flap Valve
FRP(Fiber Reinforced Plastics)
Features and Benifits
Customized Shape or Other Shape Available
Reliable backflow prevention
Smart design eliminates maintenance
Corrosion resistant, will not warp or freeze open or shut
No cracking pressure needed, low head loss, can be completely open to flood discharge
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|Nominal diameter:||DN300mm to DN3000mm, other sizes available|
|Maximum working pressure:||5.0 meter water|
|Operating temperature:||-20℃ - 60℃|
|Applicable media||water, river water, seawater, living water, industrial sewage.|
Integrate FRP Flange
Usually the flange drilling standard is based on DIN PN6, other standards avaible as ANSI CLASS150/300, DIN PN16/25, JIS10 etc. For special application, please contact GYLDT for detailed design.
The FRP density is usually 1.8-2.1g/cm which is about steel 1 / 4, the smart cavate gate design would allow change specific gravity to adapt to flow rate.
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