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Full Bore Plug Valves

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Full Bore Plug Valves
API 599API 6D

Sizes 15mm–400mm, Class 150–600. Full circular bore — low pressure drop. Cavity-free design. Piggable per API 6D. Fire safe & fugitive emission compliant.

Size Range15mm–400mm
Pressure RatingClass 150–600
Design StandardAPI 599, BS 5353 and API 6D
TestingAPI 598 and EN 12266-1
Fugitive EmissionsISO 15848-1 compliant options
Fire-safe TestingAPI 607 for external leakage
ConfigurationsFlanged, weld-end, jacketed and caged designs
Production Capacity24,000 units/year
CategoryPlug

Engineered for Performance

  • Full circular bore with low pressure drop
  • Cavity-free design with no trapped media
  • Self-lubricating PTFE sleeve
  • 360° port-lip sleeve containment
  • Piggable to API 6D requirements
  • Suitable for abrasive and viscous fluids
  • Low fugitive-emission and fire-safe options
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Need custom specifications? Our engineering team can help you find the right solution.

Typical Materials of Construction

Body & coverASTM A395 ductile iron; ASTM A216 WCB; ASTM A351 CF8, CF8M or CN7M
PlugASTM A217 CA15 or ASTM A351 CF8, CF8M or CN7M
Sleeve / diaphragmPTFE or carbon-filled PTFE
Wedge ring / gasketPTFE, carbon-filled PTFE or Grafoil depending on service
Trim & fastenersType 304 stainless steel trim with B7, B8 or B8M fasteners; PTFE bearing

Final material selection depends on pressure, temperature, media and service conditions.

Common Service Areas

  • High-flow service
  • Abrasive and viscous fluids
  • Pipeline pigging service
  • Chemical process plants
  • Fertiliser plants
  • Dyes and pigments
  • Pesticides
  • Caustic chlorine plants
  • Hazardous fluids
  • Acids and alkalis

Your Flow Challenge Deserves More Than a Catalogue.

Our engineering team works with you to specify, design, and deliver the exact valve solution your application demands.