TRIODIS 150 Butterfly valve
Butterfly valve


Triple-offset butterfly valve, metal-seated (fire-safe), without gland packing, maintenance-free, with lever or manual gearbox, pneumatic, electric or hydraulic actuator. Body made of steel or stainless steel, full-lug body (T4), flanged body (T7) with flat or raised faces, body with butt weld ends (BWSE). Body types T4 and T7 are suitable for dead-end service. Connections to EN, ASME or JIS. Connections to ASME: Schedule 10S, 10, STD and XS to NPS for valves with butt weld ends (other connections on request). Fugitive emissions performance tested and certified to EN ISO 15848-1. Certified to German TA Luft Technical Guidelines on Air Quality Control. Fire-safe design tested and certified to EN ISO 10497 (BS 6755 - API 6FA). ATEX-compliant version in accordance with Directive 2014/34/EU. In compliance with NACE MR0175 / ISO 15156 and MR 0103.
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Main Applications

  • Mining
  • Chemical industry
  • Petrochemical industry
  • Natural gas liquefaction
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Technical Data

  • Nominal pressureCL 150, PN 10, PN 25
  • Max. nominal sizeDN 1400
  • Max. allowed fluid temperature260 °C


  • Perfect tightness
  • Perfect bi-directional shut-off: zero leakage i.a.w. API 598
  • Flexible sealing element made of copper and nickel

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TitleFormatSizeLast change
icon download-pdfproduct brochure (0518.026_EN)pdf4.0710/6/2020
TitleFormatSizeLast change
icon download-pdfType series booklet TRIODIS 150 (8465.53_EN)pdf2.95/24/2019

Technical Data

  • FunctionShut off/control flow
  • Connection typeFlange, Butt weld ends
  • Design concept DriveWith electric actuator, With handwheel, Hydraulic, Lever, With pneumatic actuator, Without
  • Casing material8106, 8258, 8338
  • Nominal pressureCL 150, PN 10, PN 25
  • Max. nominal sizeDN 1400
  • Min. nominal sizeDN 50
  • Max. allowed fluid temperature260 °C
  • Min. allowed fluid temperature-250 °C
  • Valve body typeWafer-type body, Full-lug type, raised faces, Flanged body, raised faces, Butt weld end

Sectional Drawings

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