Cast Steel Single Disc Flap Wafer Check Valve

Model NO.: H71
Application: Industrial Usage, Water Industrial Usage, Household Usage
Characteristic: Flap Wafer Check Valve
Design & Manufacture: API 6D, Asme B16.34
Pre-Temp. Rating: Asme B16.34
Face to Face: Asme B16.10
Ends Connection: Asme B16.5/16.47
Inspect & Test: API 598
Certificate 1: Dnv CE 0575
Certificate 2: ISO 9001: 2008
Certificate 3: API 600
Certificate 4: API 6D
Trademark: VATAC or OEM
Transport Package: Standard Sea Worthy
Specification: API 6d, Bs1868, DIN3202, ISO
Origin: China
HS Code: 84818040
Cast Steel Single Disc Flap Wafer 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" 

Schematic Design

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