Gate valves (API 600)


Category: Gate, globe, and check valves
Product line: Cast steel (bolted bonnet) valves

  • Size range(s)
    NPS 2 - 64
    (DN 50 - 1600)
    Pressure rating
    ASME Classes
    150 - 1500
    Standard connections

Features and benefits

  • Universal trim: 13Cr stem, wedge in CA 15 or 13Cr faced, and CoCr alloy faced seat API Trim 8 suitable for applications up to 850°F (454°C).
  • Seat face CoCr alloy hardfaced, ground and lapped to a mirror finish.
  • Flexible wedge with low center stem-wedge contact, in solid CA15 (13Cr) or hardfaced with 13Cr, SS 316, Monel or CoCr alloy. Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage.
  • A CoCr alloy hardfaced CF8M wedge is also available.
  • Non-rotating stem with precision Acme threads and burnished finish. Double Acme for faster operation.
  • Body and bonnet joint accurately machined. 
  • Body and bonnet castings are precision machined.
  • One-piece bonnet  for better alignment and fewer parts for Class 150 up to NPS 16 (DN 400).
  • Flanges:
  • ASME Classes: 150–300: 1⁄16” raised face 
    ASME Classes: 600–1500: ¼” raised face 
    Finish: 125–250 AARH for all valves.
  • Rotating stem nut is Austenitic ductile iron Gr. D-2C renewable in line (as shown).
  • When handwheel is used, thrust bearings are supplied as follows:
    ASME Classes 150–300: NPS 10–12 (DN 250–300), 1 bearing (top)
    NPS 14 (DN 350) and up, two bearings
    ASME Classes 600–1500: NPS 6 (DN 150) and up.

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IgnitionWeb High-Touch Communications