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Stop valves KZ and Shutoff-expansion valve KZR


  • High sealing capacity with respect to environment.
  • High sealing capacity (class А as per GOST 9544-93) of the gate in “closed” position.
  • Work medium: water, gas, vapour.
  • Low drive force due to availability of discharged ram.
  • Usage in wide temperature range (-260… +550°С) of medium.
  • Low noise and vibration level.
  • Quick actuation of check valve (possible usage as a cutoff valve).
  • Minimal costs.

`Open` position__________________ `Closed` position

Technical parameters

Nominal diameter, DN, mm  50
Nominal working medium pressure, PN, MPa (kgf/cm2) 6,3  (63)
Working medium temperature, °C  till+550
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