Main applications

  • Biofuels
  • Building services
  • Chemical industry
  • Crude oil tankers
  • Cryogenics
  • Desalination
  • Dry cargo vessels
  • Food and beverages
  • General Processes
  • Heating / ventilation / air-condition
  • Industry engineering
  • Marine
  • Oil /Gas
  • Other vessels
  • Passenger ships and ferries
  • Petrochemical Industry
  • Pharmaceutical/Biotechnology
  • Pipelines and Tanks
  • Refineries
  • Sea -& Riverwater Extraction
  • Shipping / Shipbuilding
  • Steam and hot water, district heating
  • Steel
  • Sugar
  • Systems
  • Water
  • Water Extraction
  • Watertransport
  • Watertreatment

Technical data

T max 260 °C
DN max 1,200
PN max 25


Double-offset butterfly valve with plastomer seat ring (also in firesafe design) or metal seat ring. With lever or gearbox, pneumatic or electric or hydraulic actuator. Body made of cast steel or stainless steel. Wafer type body (T1) or full-lug type body (T4). Body type T4 is suitable for dead-end service and downstream dismantling. EN, ASME, JIS connections.


Petroleum, gas, chemical and petrochemical industry, nuclear power stations, sugar industry, paper industry, geothermal energy, shipbuilding, low-pressure steam, vacuum service. All applications requiring offset disc butterfly valves.

Further technical information about DANAIS 150

Overview of technical data

T -50 – 260 (°C)
DN 50 – 1,200
PN 25
Actuator options available ex works Hydraulic actuator type DYNACTO, Pneumatic actuator type ACTAIR, Electric actuator type ACTELEC, Pneumatic actuator type DYNACTAIR
Body design Lug body, Wafer body
Valve disc material 1.4408, 1.4401
Dimension standard EN 558-1/20 ISO 5752/20, API 609 TABELLE 2 CLASS 150, (DN350 ISO 5752/25)
Liner material 1.4310, PTFE
Valve disc/plug material Soft and metal-to-metal seat
Threaded-end design Screwed flange design, Wafer-type design
Body material (EN standard) 1.4408, 1.0619
Main applications Shipping / Shipbuilding, Industry and process engineering, Building services, Oil / Gas, Energy
Body material Cast steel, Cast stainless steel