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 (also in fire-safe design), metal seat or elastomer seat (FKM [VITON R] or NBR [nitrile]). Lever or manual gearbox, pneumatic, electric or hydraulic actuator. Body made of nodular cast iron, cast steel, stainless steel, aluminium bronze or duplex stainless steel (254 SMO). Wafer-type body (T1), full-lug body (T4), T4 suitable for downstream dismantling and dead-end service with counterflange. Connections to EN, ASME or JIS. Fire-safe design tested and certified to API 607. Fugitive emissions performance tested and certified to EN ISO 15848-1. ATEX-compliant version in accordance with Directive 2014/34/EU.


Petroleum, gas, chemical and petrochemical industry, marine applications, transport of petroleum products and chemicals, sugar industry, geothermal energy, shipbuilding, low-pressure steam, vacuum service, mining, corrosive fluids, cleaning agents, highly aggressive fluids, brine, paper and pulp industry, fertilisers. 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