Main applications

  • Biofuels
  • Building services
  • Chemical industry
  • Chemicals and product carriers
  • Crude oil tankers
  • Cryogenics
  • District heating
  • Energy
  • General Processes
  • Heating / ventilation / air-condition
  • Industry engineering
  • Liquefied gas tankers
  • Navy
  • Nuclear Island
  • Nuclear Power Stations
  • Offshore platforms
  • Oil /Gas
  • Other vessels
  • Passenger ships and ferries
  • Petrochemical Industry
  • Pipelines and Tanks
  • Power Stations < 100 MW
  • Shipping / Shipbuilding
  • Steam and hot water, district heating
  • Steel
  • Systems
  • Water
  • Watertransport

Technical data

T max 380 °C
DN max 600
PN max 50


Double-offset butterfly valve with plastomer seat or metal seat (fire-safe), without gland packing, maintenance-free, with lever or manual gearbox, pneumatic, electric or hydraulic actuator, body made of steel or stainless steel. Wafer-type body (T1), full-lug body (T4) or flanged body (T7) with flat or raised faces. Body types T4 and T7 are suitable for dead-end service. Connections to EN, ASME or JIS. Certified to German TA-Luft Technical Guidelines on Air Quality Control.


Petroleum, gas, chemical and petrochemical industry, nuclear power stations, onshore and offshore plants. Steam, vacuum and all applications requiring offset-disc butterfly valves.

Further technical information about DANAIS MTII

Overview of technical data

T -50 – 380 (°C)
DN 50 – 600
PN 50
Actuator options available ex works Hydraulic actuator type ACTO, Pneumatic actuator type DYNACTAIR, Electric actuator type ACTELEC, Pneumatic actuator type ACTAIR
Body design Lug body, Wafer body, Median rib body
Class(es) 150, 300
Valve disc material 1.4401, 1.4408, GP240GH+N
Dimension standard EN 558-1/20 ISO 5752/20, API 609 TABELLE 2 CLASS 150, EN 558-1/13 ISO 5752/13, API 609 TABELLE 2 CLASS 300, ISO 5752/F14
Liner material NI, PTFE, 1.4542, 1.4404, CU
Size(s) (NPS) 2"-24"
Valve disc/plug material Soft and metal-to-metal seat
Threaded-end design Tongue and groove design, Wafer-type design, Flange design
Body material (EN standard) 1.4408, GP240GH+N, 1.4401
Main applications Industry and process engineering, Energy, Shipping / Shipbuilding, Building services, Oil / Gas
Body material Cast stainless steel, Cast steel