Main applications

  • Cryogenics
  • Energy
  • General Processes
  • Industry engineering
  • Liquefied gas tankers
  • Navy
  • Offshore platforms
  • Oil /Gas
  • Other vessels
  • Shipping / Shipbuilding
  • Snow guns

Technical data

T max 260 °C
DN max 1,000
PN max 50


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 40S and STD 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.


Natural gas liquefaction. All liquefied gases. Heat transfer fluids, aggressive fluids, oil, gas, petrochemical industry, tank farms, refineries, onshore and offshore plants.

Further technical information about TRIODIS 300

Overview of technical data

T -196 – 260 (°C)
DN 150 – 1,000
PN 50
Class(es) 300
Size(s) (NPS) 3"-48"
Valve disc/plug material Metal-to-metal seat