Main applications

  • Boiler circulation
  • Boiler feed systems
  • District heating
  • Energy
  • Industry engineering
  • Nuclear Power Stations
  • Power Stations < 100 MW
  • Power Stations > 100 MW
  • Steam circuits
  • Turbine Island

Technical data

T max 650 °C
DN max 250
PN max 600


Start and stop control valve to DIN/EN with butt weld ends, pressure seal design, billet-forged body, seat/disc interface made of wear and corrosion resistant Stellite, single-piece stem and throttling plug assembly for high differential pressures.


Industrial plants, power stations, process engineering and shipbuilding. For water and steam. Other non-aggressive fluids such as gas or oil on request.

Further technical information about ZJSVA/ZSXVA

Overview of technical data

T -10 – 650 (°C)
DN 65 – 250
PN 600
Actuator options available ex works Electric actuator to customer's choice, Pneumatic actuator to customer's choice
Body design Angle pattern body
Bonnet design Yoke for fitting actuator
Handwheel movememt Non-rising
Valve disc/plug material Metal-to-metal seat
Threaded-end design butt weld end design
Stem sealing Gland packing
Body material (EN standard) 1.4903, 1.6368, 1.5415, 1.7335, 1.7380, 1.4922, 1.0460, 1.4905
Main applications Industry and process engineering, Energy
Body material Forged steel
Body/bonnet seal element Pressure seal bonnet