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McCANNA / MARPAC Ball Valves
·Ball Valve

McCANNA / MARPAC Ball Valves

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Flowserve McCANNA and MARPAC ball valves cover cryogenic (CX), top-entry (S/Y/Z), PTA trunnion-mounted, and general-purpose forged configurations. McCANNA delivers top-entry in-line-repairable ball valves up to ASME Class 1500, while MARPAC provides forged swing-out and instrument-grade valves with CWP ratings to 4500 psi.

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Key Benefits
  • 01Top-entry in-line-repairable design on McCANNA — maintenance without removing the valve from the pipeline
  • 02Cryogenic CX line with PCTFE (Kel-F) seats and low-torque cryogenic profile
  • 03Trunnion-mounted PTA line engineered for purified terephthalic acid service
  • 04MARPAC forged swing-out body with CWP ratings up to 4500 psi
  • 05Live-loaded, double-sealed stem design across the range
Technical Features
  • 01McCANNA CX cryogenic: ASME Class 150/300/600, PCTFE seat, cast non-welded bonnet extension
  • 02McCANNA S/Y/Z top-entry: ASME Class 150–1500, full port and reduced port, RF/RTJ/screwed/socket/buttweld ends
  • 03McCANNA Trunnion (PTA): ASME Class 150–300, stainless and titanium materials, carbon graphite seat
  • 04Wedge seat design across McCANNA families
  • 05Bi-directional sealing, live-loaded stems, multiple soft and metal seat options
  • 06MARPAC Petro E790: 3-piece swing-out double-union, CWP to 4500 psi, meets MSS-SP-99/61
  • 07MARPAC McCannflo F602: forged bar 2-piece, fire-safe, anti-static live-loaded stem, CWP to 1500 psi
  • 08MARPAC TriPac E325/525: 3-piece forged swing-out, CWP to 3000 psi
  • 09MARPAC B780 WOG: cast general-purpose, 2000 psi WOG, temperatures to 450 °F
  • 10MARPAC J/K: unibody and split-body, custom and ISO 5211 mounting, cavity-filled designs
  • 11Standards: ASME B16.34, API 6D, API 607/ISO 10497 fire test, ISO 15848-1 qualified
  • 12ISO 5211 mounting pad for ease of actuation
Applications
  • Cryogenic and LNG services (McCANNA CX)
  • Purified terephthalic acid (PTA) plants
  • Chlorine and other special-service chemical applications
  • Oil and gas, petrochemical processing
  • Instrument isolation and small-bore piping (MARPAC F602)
  • Steam, petroleum, chemicals, and abrasive liquid handling (MARPAC J/K)
  • Fire-safe service and UL-approved applications
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