Steel ball valves


  • District heating networks
  • District cooling networks
  • HVAC side of heating and cooling systems as well as compressed air and oil networks etc.


  • in sizes from DN 10 to DN 800
  • with full bore or reduced bore
  • with welded connections according to EN (DIN) and GOST standards
  • also with flanged or threaded connections
  • with manual lever, manual gear, pneumatic, electric or hydraulic actuator
  • with drain valve and mounting bracket (reduced bore, sizes ≥ DN 600 and full bore, sizes ≥ 700)


  • fully welded construction
  • lightweight
  • easy to insulate
  • space saving design
  • easy to install and use
  • maintenance-free
  • long service life
  • total bi-directional tightness (EN 12266-1, leakage rate A)
  • high Kv value (minimum pressure loss, minimized pumping costs)
  • high-quality materials, suitable for many different applications

  • stainless steel or stainless material plated ball
  • trunnion mounted (sizes ≥ DN 600)
  • spring loaded PTFE ball seals
  • blow-out safe stem construction
  • stem sealing with double o-rings

Vexve X series DN 10-50

Technical materials

Steel ball valves DN 65-500, reduced bore

Steel ball valves DN 50-400, full bore

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Reference: Kokemäen Lämpö

Steel ball valve features

Fully welded structure of high quality materials

  • pressure vessel steel
  • suitable for many different applications and withstands varying water quality
  • lightweight and space-saving design
  • practically maintenance-free

Floating ball structure with spring loaded ball seals

  • total bi-directional tightness (EN 12266-1, leakage rate A)
  • tolerates thermal expansion axial loads
  • takes pressure shocks without damage to the structure

Blow-out safe stem construction

  • Ensures safe valve operation
  • 90-degree position limiter
  • valve position is always readable

Easy to install and insulate

  • lightweight and simple to install
  • the entire valve is easy to insulate
  • no leakage risk
  • no condensation problems