Steel ball valves, reduced bore with gears and actuators

Solution for

  • District heating systems
  • District cooling systems
  • HVAC/R: heating and cooling systems as well as compressed air, oil etc piping systems


  • in sizes from DN 100 to DN 800
  • with welded connections (recommended) according to EN (DIN) and GOST
  • available also with flanged connections
  • with manual gear, electric or hydraulic actuator
  • with drain valve and mounting stand (sizes ≥ DN 600)


  • fully welded construction · light weight
  • easy to insulate
  • space saving design
  • easy to install
  • easy to operate
  • maintenance-free
  • long service life
  • total bi-directional tightness
  • EN 12266-1 rate A in both directions
  • high Kv-value (minimum pressure loss, minimized pumping costs)
  • high-strength materials capable to withstand variable water qualities
  • stainless steel or stainless steel plated ball
  • trunnion mounted (sizes ≥ DN 600)
  • spring loaded PTFE ball seals
  • blow-out safe stem construction
  • stem sealing with double o-rings · designed and certified according to EN488:2015