Rubber Body Slip-over 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"