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ECOLINE CDB-S Butterfly valve

Butterfly valve ECOLINE CDB-S

Centred-disc butterfly valves, design to EN 593, replaceable liner, body made of cast iron, pressure classes PN10 and PN16

Main Applications

  • Water
  • Oil and gas
  • Water supply systems
  • General irrigation systems

Technical Data

Nominal pressure
PN 10, PN 16
Max. nominal size
DN 600, NPS 24
Maximum allowable fluid temperature
150 °C

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Benefits

  • Elastomer seat with hard backup ring (Bakelite / aluminium), overmoulded. Does not stretch beyond limits, offers effective sealing even with frequent actuation and continuous operation. Provides higher strength without risk of liner getting torn off. Long service life. Combines the benefits of a loose liner design with those of a direct-bonded liner design.
  • Replaceable seat ring, with extra rubber volume at shaft passage. Additionally features two inserted O-rings at the shaft passage. Provides excellent shaft sealing.
  • Top flange to ISO 5211 for PN16 version, suitable for direct mounting of actuators.

Technical Data

Function
Shut off/control flow
Connection type
Installation between flanges,
Flange
Design concept Drive
With electric actuator,
With handwheel,
Lever,
With pneumatic actuator
Casing material
EN-GJL-250
Nominal pressure
PN 10,
PN 16
Max. nominal size
DN 600,
NPS 24
Min. nominal size
DN 50,
NPS 2
Maximum allowable fluid temperature
150 °C
Minimum allowable fluid temperature
-20 °C
Valve body type
Wafer-type body,
Semi-lug type

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