Products
- Pipe Fittings[10]
- Rubber Hoses[4]
- Hydraulic Parts[1]
- Rubber Rollers[1]
- Valves[10]
Contact Us
- Contact Person : Mr. Lee Songliang
- Company Name : Gongyi City Liangda Tubes Co., Ltd.
- Tel : 86-0371-60388868
- Fax : 86-0371-64018858
- Address : Henan,Gongyi City,176 Yong'an Road, Gongyi City, Henan Province,China
- Country/Region : China
- Zip : 451281
Auto turn on and off flap valve
Product Detailed
Related Categories:Valves
HDPE Flap Valve
Material: Composite Material
Size: DN50-3000
Less weight
Long service life
Auto turn on and off Flap Valve
Features and Benifits
Customized Shape or Other Shape AvailableReliable backflow preventionSmart design eliminates maintenance Corrosion resistant, will not warp or freeze open or shutNo cracking pressure needed, low head loss, can be completely open to flood discharge Environmentally-friendlySpecifications
Nominal diameter: | DN300mm to DN3000mm, other sizes available |
Maximum working pressure: | 5.0 meter water |
Operating temperature: | -20°C - 60°C |
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 |
8 | Cotter Pin | SS 304 | Fasten |
9 | Eye Bolt | SS 304 | Support |
10 | Hex Flange Bolt | SS 304 | Seal |
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 changespecific gravity to adapt to flow rate. |
Auto turn on and off flap valve