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GRP Flap Valve

  • Product Name:  GRP Flap Valve
  • Product Details:  GRP Flap Valve

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 
  • Environmentally-friendly
 



Specifications


Nominal diameter: DN300mm to DN3000mm, other sizes available
Maximum working pressure: 5.0 meter water
Operating temperature: -20℃ - 60℃
Opening angle >60°
Corrosion resistance  Yes
Applicable media  water, river water, seawater, living water, industrial sewage.


Components/Materials/Functions
NO. Components Materials  Functions 
1 Seat FRP Support
2 Flange FRP Fasten
3 Gate FRP Flow Control
4 Seal Silastic Seal
5 Sleeve HDPE Antiabrasion
6 Hinge Pine SS 304 Hinge 
7 Nut SS 304 Fasten
Cotter Pin SS 304 Fasten
9 Eye Bolt SS 304 Support
10 Hex Flange Bolt SS 304 Seal
 



Integrate FRP Flange
Note:
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.
GRP Flap Valve