zwick valves TRI-CHECK Butterfly valve
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The check valve TRI-CHECK combines all the benefits of the Series TRI-CON in a non-return valve. Triple-offset design with a wide seat angle and a true cone in cone, no rubbing while moving and absolute zero leakage performance.
Also the statically held gasket and the no pinned disc design are used in the Series TRI-CHECK. The TRI-CHECK is equipped with a hydraulic damper and a counter weight. The damper can be adjusted to the actual installation conditions in which the valve will be used.
zwick valves TRI-CHECK Butterfly valve Specifications:
DN from
80DN to
1000Pressure Nominal from (bar)
10Pressure Nominal to (bar)
40Class from
150Class to
300NPS from
3NPS to
40