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Home > Product Division > Valves > Butterfly Valve > Triple Offset

Triple Offset, Butterfly Valve

Metaval’s Triple Offset Butterfly Valve is engineered for high-integrity sealing in critical service applications involving high pressure, temperature, or corrosive media. The offset design eliminates friction between the disc and seat during operation, ensuring zero leakage and long-term durability. This valve is ideally suited for shut-off applications where safety, performance, and longevity are non-negotiable.

Size Range

2” to 48”

DN Range:

50 to 1200

PN Range:

PN 10 to PN 64

Size Range:

2” to 48”

DN Range:

DN 50 to 1200

PN Range:

PN 10 to PN 64

Pressure Rating:

Class 150# to 600#

Temperature Range:

As per seat and trim material

End Connections:

Wafer, Lug, Flanged, Semi-Lug

  • Valve Design: EN 593, API 609, AWWA C504, BS 5155
  • Material Standards: EN 16668, AD2000 W0
  • Face-to-Face: EN 558, ISO 5752, API 609, EN 593, ASME B16.10
  • Top Flange: ISO 5211
  • Flange Drilling: EN 1092-1, AS 4087, AS 2129, ASME B16.5/B16.47, BS5155
  • Testing Standards: EN 12266-1 & 2, API 598

Body: WCB, Ductile Iron, Stainless Steel (CF8, CF8M), Duplex, Super Duplex, Monel, Inconel, Hastelloy
Disc: Stainless Steel, Duplex, Super Duplex, Monel, Inconel, Hastelloy
Seat: Metal (overlayed or insert)
Stem: Stainless Steel (304, 316, 410), others on request
Gasket: Spiral Wound SS304/316, Graphite, PTFE

  • Triple Offset Design: Frictionless movement ensures long-term tight shutoff with minimal wear
  • Zero Leakage: Engineered sealing geometry guarantees tight shut-off even in critical applications
  • High Cycle Life: Designed for durability in severe service
  • Fire Safe Certified: As per API 607
  • Low Torque Operation: Suitable for automated actuation
  • Live-Loaded Stem Packing: Certified for low fugitive emissions
  • Full-Faced Seat Retainer: Uniform pressure distribution for secure sealing

All Triple Offset Butterfly Valves undergo the following testing at Metaval’s certified facilities:

  • Hydrostatic and Pneumatic Pressure Testing
  • Helium and Nitrogen Leakage Testing
  • Positive Material Identification (PMI)
  • Radiography and Ultrasonic Inspection
  • MPI, DPT, and Surface Finish Checks
  • Hardness, Tensile, and Impact Testing
  • Microstructure and Spectrometer Analysis
  • Dimensional Verification and Oxygen Cleaning
  • Oil and Gas
  • Chemical Processing
  • Power Generation
  • Steam and Thermal Systems
  • Desalination and Water Treatment
  • Critical Service Pipelines
  • Corrosive Chemicals
  • Acids and Alkalis
  • Gases
  • Steam
  • Water and Wastewater
  • CE Certified
  • PED (2014/68/EU)
  • ISO 9001:2015 
  • ISO 14001:2015 
  • ISO 45001:2018 
  • Fire Safe Design as per API 607

Documentation

Complete In-House Manufacturing Control

From forging and casting to machining, assembly, and testing — every step is managed under one roof to ensure consistent quality, faster lead times, and zero compromise.

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