Vexve butterfly valves

Available in sizes from DN 300 to DN 1600

Shut-off butterfly valves

DN 300–1400

Control and shut-off butterfly valves

DN 300–1200


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Butterfly valve features

Optimal flow properties for all most demanding applications

  • flap and stem structure minimizes flow resistance and turbulence
  • strong two-piece stem structure maximizes flow capacity
  • full-bore structure in size classes DN 300–800
  • particularly high Kv value in DN 900 to 1600 reduced bore butterfly valves
  • high Kv value reduces pumping costs

All metal seat construction

  • metal seals extend the lifetime of the butterfly valve
  • suitable for many different applications and withstands varying water quality
  • total tightness in both flow directions
  • practically maintenance-free

Triple offset geometry design

  • minimizes the friction between the flap and seat ring during operation
  • prevents wear and ensures long service life of the valve

Butterfly valve main characteristics


  • district heating networks

  • district cooling networks


  • as shut-off butterfly valve or control and shut-off butterfly valve

  • in sizes from DN 300 to DN 1600

  • with full bore or reduced bore

  • in pressure class PN25 (body)

  • in trim classes Δp=16 bar or Δp=25 bar

  • with tightness class A or B (EN12266-1)

  • for a temperature range of −40°C to 200°C (250°C)

  • with weld connections EN (DIN) together with GOST standards (recommended)

  • also with flanged connections

  • with manual gear, electric or hydraulic actuator


  • fully welded construction

  • manufactured using high quality materials and components

  • light weight, space saving design

  • easy-to-insulate

  • easy-to-install and operate

  • maintenance-free

  • metal seated

  • stainless steel flap + special alloy chrome plated seat

  • triple offset geometry

  • total tightness in both flow directions

  • non-jamming seat construction

  • seat design for large temperature ranges

  • high Kv value

  • designed according to EN488

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