Vexve underground valves

Available in sizes from DN 25 to DN 800

Long stem ball valves

Reduced bore

Long stem ball valves

Full bore

Long stem ball valves

Trunnion mounted

Air release valves

DN 20–50


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Underground 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

Easy to install and insulate

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

Standard and custom stem heights

  • customer-specific stem heights according to special order

Underground ball valve main characteristics


  • opening and closing for district heating and cooling lines (shut-off)

  • underground installations


  • in sizes from DN 25 to DN 800

  • as full bore or reduced bore

  • with welded connections according to EN (DIN) standards

  • with various standard stem heights

  • also with customized stem heights

  • with different length extensions

  • with manual gear, electric or hydraulic actuator

  • unpainted

  • NOTE! separate air release valves (Vexve 231/I and 231/IAP/M)


  • 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

  • spring loaded PTFE ball seals

  • blow-out safe stem construction

  • stem sealing with double o-rings

  • designed and certified in accordance with EN488: 2015 and EHP003

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