Trunnion Ball Valves

Meridian™ Bolted Two Piece Floating Ball Valve

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.

2" – 56"  |  DBB & DIB  |  SIL 3 Capable

product specifications

Meridian valves

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Design standards

  • 2 piece bolted body design for ease of field service and maintenance
    • Cast steel 150, 300 & 600
    • Forged steel 600, 900 & 1500
  • Fire safe design
  • Standard valves meet NACE
  • Extreme low torque for actuation savings
  • ISO 5211 mounting flanges
  • High life cycle
  • Independent dual body seals
  • Locking device to API 608
  • All o-rings are AED (anti-explosive decompression) design
  • Gear operators and lifting lugs on 6” bore and larger
  • Standard document package BS/EN 10204-3.1
  • Low emission capable due to O-ring design
  • Exceeds ASME B16.34 minimum wall thickness

All MeridianTM 3 piece forged trunnion ball valves and 2 piece cast floating ball valves are certified for use in Safety Integrity Level (SIL 3) applications.

Stem Design Features

  • Blowout proof stem
  • Double antistatic stem
  • Adjustable packing
  • Triple independent low emission stem seals ensure stem seal integrity
  • 2-bolt gland flange

Seat Design Features

  • Unique wide flexible seat rings
  • Absolute seal in low and high pressure
  • RPTFE (15-20% carbon fibre) in 150 & 300 ASME; Devlon V in 600-1500 ASME
  • Self-relieving seats for automatic internal cavity relief

Optional Features

  • Body may be coated for corrosion protection

technical documents

CATALOGUE

Meridian API 6D Floating Ball

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MANUAL

Floating Ball Valve IOM

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Reference standards

Design Standards

API 608

API 6D

CSA Z245.15

CSA B51-09

ISO 17292

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

Fire Safe Design

ISO 10497

API 607

sour

NACE MR0175

ISO 15156-2009

pressure testing

API 6D and low pressure air seat test

Safety Integrity Level

SIL 3