Cast Steel Gate, Globe and Check Valves

General Features

  • Gate valves designed to API 600
  • Globe valves designed to API 623
  • Check valves designed to API 594
  • Available in RF/RTJ flanged ends or buttweld ends to ASME B16.25
  • Carbon equivalency (CE) maximum for all carbon steels is always 0.43 for both buttweld or flanged ends
  • All gate and globe valves have a high pressure hydrostatic and low pressure pneumatic seat test
  • All gate, globe and check valves have additional high pressure pneumatic shell test
  • Blowout proof stem
  • Adjustable Chesterton 1622 graphite packing
  • Compliant to API 624 for low fugitive emissions
  • Flexible wedge for gate valves
  • Welded in seat
  • Standard document package BS/EN 10204-3.1
  • All Meridian™ flanged gate and globe valves are certified for use in Safety Integrity Level (SIL 3) applications.

Certification & Testing

Design Standard:

  • API 600
  • API 623
  • API 594
  • CSA B51

Face to Face:

  • ASME B16.10

Flange:

  • ASME B16.5

Marking:

  • MSS SP-25

Inspection:

  • API 598

Pressure & Temp.:

  • ASME B16.34

Quality:

  • MSS SP-55

Fugitive Emissions:

  • API 624
  • API 622

Sour:

  • NACE MR 0175
  • ISO 15156

Pressure Testing:

  • API 598

Safety Integrity Level:

  • SIL 3