Cast Steel

Cast Steel Gate, Globe and Check Valves

Meridian products are engineered to deliver quality, reliability, and consistent performance across a wide range of industrial applications. Designed to meet demanding operating requirements with confidence and long-term durability.

product specifications

Meridian valves

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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 MeridianTM flanged gate and globe valves are certified for use in Safety Integrity Level (SIL 3) applications

Reference standards

Design Standards

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 and temp.

ASME B16.34

quality

MSS SP-55

Fugitive Emissions

API 624

API 622

sour

NACE MR0175

ISO 15156

pressure testing

API 598

Safety Integrity Leve

SIL 3