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

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