RF Flg NBR/EPDM LINED Duckbill Check Valve
Of Vatac Series Duckbill Check Valves are a flexible sleeve design made of quality fab- ric-reinforced elastomer materials for maxi-mum resistance to corrosion and wear caused by continuous operation with abrasive slurries, sludge, or effluent. The flexible sleeve provides maximum flow with a mini-mum pressure drop across the valve at all times
1. Construction is as follows:
- Flange Duckbill Check Valve |
| - Slip-over Duckbill Check Valve |
| - In-line Duckbill Check Valve |
| - Low Pressure |
| - Flanged Ends to ASME B16.5 and B16.47 A/B |
2. Main Part & Materials
Part Names | Part Materials |
| Flange | Q235 | F304 | F316 | F304L | F316 | F316L | SAF 2205 | BRONZE |
| Body Material | NATURAL RUBBER/NBR/EPDM |
| Suitable Medium | Water, Waste Water and Sewage |
| Suitable Temperature | -29~120 °C |
3. Normal Pressure Rating
PN10 & PN16, CLASS150
4. Normal Size Range
DN50~DN1000, 2"~40"
Since 1989, Vatac Vango Valves Manufacturer China has dedicated itself to the manufacture and service of a wide range of industrial valves and fittings for the services of Oil, Gas, Refinery, Chemical, Marine, Power Station and Pipeline Industries.
After over 3 decades of development and innovation, Vango Valves has been well approved by ISO 9001: 2000, API 6D & CE.
Our main Manufacturing and Supplying Capability Covering:
Through Conduit Gate Valve, Knife Gate Valve, Bellow Sealed Valve, Gate Valve, Check Valve, Globe Valve, Ball Valve, Butterfly Valve, Plug Valve, Cryogenic Valve, Diaphragm Valve, Needle Valve, Pinch Valve, Strainer, Steam Trap, Flanges and Pipe Fittings.
Materials ranges from conventional cast or forged steel to special alloy materials like Monel, Inconel, Hastelloy or Duplex steel. All of our products are designed, manufactured and tested fully to API, ASTM, ANSI, JIS, DIN and BS Standards.
Adhering to the tenet "Quality the world value", Vatac Vango Valve is stepping towards to the first class manufacturer and supplier of Industrial Valves and fittings in the world.
