API 600 Cast Steel

API 600 Gate Valves

RANGER produces a wide range of API 600 Gate Valves produced to the most demanding standards and for a wide range of applications – including API 624 specification for fugitive emissions (up to 24″ and up to Class 1500).

Cast steel gate valves are used in a broad range of applications and industries and are constructed of a wide range of materials including common carbon steel, alloy steel, and stainless steel.

Design Features

  • Sizes from 2″ to 60″ available
  • Class range from 150 to 2500
  • Bubble tight shut-off of gate valves up to NPS 12 (DN 300)
  • Low fugitive emission packing comes standard
  • Bellows seal for zero-emission also available
  • Meets API 624 emissions requirement
  • Available in flanged or buttweld end connections
  • Standard, live load, or special option packing available

Fit and Finish

  • Stem surface finish is better than 8 RMS with the packing box surface finish exceeding 63 RMS
  • As many as six packing rings available inside the packing cavity

Bonnet Seal Packing

  • RANGER uses a corrugated graphite bonnet gasket for Class 150 gate valves
  • For 300-1500 Class gate valves, RANGER uses a spiral wound stainless steel and graphite ring


Design Standards

  • API 600
  • ASME B16.34
  • ISO 10434
  • API 624


  • ASME B16.10

End Connection

  • ASME B16.5
  • ASME B16.47
  • ASME B16.25

Inspection and Testing

  • ASME B16.34
  • API 598
  • Customer requested