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Industrial Valves and Pipe Ancillaries

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Piston gate valves

Zwick Armaturen GMBH

The sealing system is formed of two elastic rings encompassing a stainless steel plunger.
– The upper ring seals the housing and the lower ring seals when the valve is closed.
– Due to the large contact surface, the sealing effect is optimal.


Nominal Diameter:
from DN 10 mm to DN 200 mm
from NPS 1/2” to NPS 8”
Nominal Pressure:
6 bar.,16 bar., 40 bar. and 63 bar.
Working temperature:
from -196ºC to 400º C
1.0619, 1.4581,
A216WCB, A351CF8M
Iron, carbon steel and stainless steel

Flange connection, weld and thread actuators (electro-mechanical, pneumatic) water jacket for heating / cooling


  • Reliable congestion
  • Energy-saving and ecological
  • Asbestos free
  • No saddle erosion
  • Not sensitive to contaminated environments due to the specific sealing system
  • No service needed
  • Easy seals disassembly
  • Sealing rings replacement in assembled condition
  • Excellent regulating characteristics
  • Fire safe as per API 6 FA
  • TA-air compatible
  • Suitable for oxygen
  • VdTÜV certificate 1065

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