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WHEATLEY 822 Swing Check Valve
Brand: Cameron
The Cameron WHEATLEY Series 822 check valve is designed to safely prevent backflow of liquid or gas in pipeline applications. Standard Features:
- Designed in accordance with ASME B16.34 (WCC, LCC and CF8M only)
- Materials of construction conform to NACE MR0175/ISO 15156
- Solid 316 stainless steel clapper and hanger reduce the need for separate pins, bushings and rollers
- Compact valve geometry reduces weight and space
- Bevelled, self-aligning clapper and seat design incorporates a molded seal in the clapper for a bubble-tight seal and metal-to-metal secondary seal
- Peroxide-cured Buna-N (FKM and HNBR optional) seals
- Generous wrench area on body and hex-head threaded cover for easier installation and maintenance
- Full opening
- Suitable for horizontal or vertical flow up
- Below-the-threads cover seal isolates the cover threads from line media
- Metal nameplate
Specifications
Brand
Approvals & Certifications
- ISO 15156
Cover Material
- Aluminum Bronze (ASTM B148 Alloy 955)
- Carbon Steel (ASTM A216 Grade WCC or LCC)
- Ductile Iron (ASTM A216 Grade WCC)
- Stainless Steel (ASTM A351 Grade CF8M)
Enclosure, Body Material
- Aluminum Bronze (ASTM B148 Alloy 955)
- Carbon Steel (ASTM A216 Grade WCC or LCC)
- Ductile Iron (ASTM A395)
- Stainless Steel (ASTM A351 Grade CF8M)
Materials of Construction
- Stainless Steel (ASTM A351 GRADE CF8M) - Clapper, Arm, Pin & Hanger Material
NACE & NIST
- NACE MR-0175
NPT Connection
- 1" NPT Female
- 1/2" NPT Female
- 1-1/2" NPT Female
- 2" NPT Female
- 2-1/2" NPT Female
- 3" NPT Female
- 3/4" NPT Female
- 4" NPT Female
Operating Pressure
- psi: 275 to 3,600 (kPa: 1,896 to 24,820, bar: 18.96 to 248.2) - for Carbon Steel & Aluminum Bronze
- psi: 300 to 2,500 (kPa: 2,068 to 17,240, bar: 20.68 to 172.4) - for Ductile Iron
Plug Material
- 304 Stainless Steel - ASTM A276
- Aluminum Bronze (ASTM A473 Typical 316)
- Carbon Steel (ASTM A105 / A473-316)
- Ductile Iron (ASTM A105)
Seat / Seal Material
- 90-Durometer Peroxide-Cured Buna-N - Cover, Clapper Seal
- FKM - Cover, Clapper Seal
- HNBR - Cover, Clapper Seal
Welded Connection
- 1" Socket Weld End
- 1/2" Socket Weld End
- 1-1/2" Socket Weld End
- 2" Socket Weld End
- 2-1/2" Socket Weld End
- 3" Socket Weld End
- 3/4" Socket Weld End
- 4" Socket Weld End
