4497 Centric butterfly valve for gas wafer type

4497 Centric butterfly valve for gas wafer type

Concentric disc made of stainless steel 1.4301, 1.4401 or ductile cast iron. EPDM/NBR replaceable loose liner protected against axial displacement. Stainless steel 1.4021 solid spline (not pinned) shaft with the bottom side seated in blind hole of the body. Three-slide bearings. Special shaped loose liner to seal with the shaft crossing. Additional shaft sealing made of EPDM/NBR o-rings. Product marking according to : EN 19; EN 1074.
Execution variant:

  • With electric or pneumatic actuator
  • With inductive sensors
  • For extension spindle

Application

Water network and tanks.Transport of industrial water and non agressive liquids. Working conditions: temp. up to +70˚C pressure up to 1.6 MPa.

Assembling

DN40-DN250 in any position. Over DN250 shaft in horizontal position

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