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High performance double eccentric wafertype


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Wafer type


The high performance double eccentric butterfly valves are suited for service of liquids and gasses in oil and gas processing, offshore, power, marine, steel, chemical and petro chemical industry.



  • Standardized actuation flange
  • Double offset shaft position
  • Pre-loaded double shaft packing
  • Twin disc
  • Floating disc seat
  • Polygon stem
  • Fire safe design
  • Anti-Static execution
  • Anti-blow-out safeguard

  • Easy actuator automation
  • Low operating torques
  • Optimized transmission of Torque
  • One pieced body for better tightness
  • Higher load bearing capacity
  • Longer service life
  • High reliability
  • ZERO leakage properties
  • Wide seat variety for numerous applications
  • Suitable for major temperature changes
  • Low energy costs
  • Increased Kv/Cv value


Standard* according to:             EN-API

Flange connection:                    DIN-PN 6/10/16/25/40, ANSI Class 125/150/300*

Dimensions:                              DN 50/2" – DN900/36"

Maximum working pressure*:    50 bar

Temperature range*:                -29ºC ÷ 540ºC

Materials:                                  Carbon Steel, Stainless Steel, Titanium, Hastelloy,

Super Duplex, Duplex, 6Mo, NiAl-Bronze*

Disc seats:                                RTFE soft seated, Fire-Safe, Metal laminated, Metal solid*

Special executions:                   Fire Safe / API 607/ BS7655


*Details on specification and requirements can be offered on request.