Monolith KHO ball valve was developed to meet the demand for absolute tightness as well as durability. The ball valve, which was especially designed with district heating applications in mind, is characterized by the high degree of stability of the body, its small installation space requirement, guaranteed tightness, no maintenance and its exceptional operational safety.


  • EN 488:2015 certification
  • Maintenance-free
  • Supports pressurization on both sides
  • Long heat-insulating shaft
  • Trunnion mounted and blowout-proof operating stem
  • Multi-layer, durable operating stem seal
  • High degree of resilience against pipework forces
  • Meets the requirements of the AGFW worksheet FW 401
  • Elastically pre-stressed sealing elements with stainless steel sinus springs
  • Trunnion-mounted ball (from DN 150 / 200R150 upwards)
  • Operating stem and end of stem construction made of stainless steel
  • Impervious to dirt


  • Pre-insulated design for plastic casing pipe systems
  • Available in different shaft lengths
  • Top flange in accordance with EN ISO 5211 for automation
  • Full solution with insulation extension, venting and bleeding, insulation and alert system