Wcb/Lcb/Ss304/Ss316 Cast Flap Check Valve

• Material: Cast Steel
• Connection Form: Flange
• Structure: Swing
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Flow Direction: Unidirection
• Standard: ANSI
• 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
• Transport Package: Standard Sea Worthy
• Specification: API 6d, Bs1868, DIN3202, ISO
• Trademark: VATAC or OEM
• Origin: China
• HS Code: 84818040
• Production Capacity: 6000ton Per Year

Product Description

WCB/LCB/SS304/SS316 Cast Flap 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"