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DEF: Wafer butterfly valve, tightly-closing, PN 16

How energy efficiency is improved
Intelligent collar design for working without losses through leakage.

Areas of application
Continuous control of water, air and low-pressure steam up to 110°C, or for use as a shut-off valve.

Properties

  • Nominal pressure 16 bar
  • Butterfly valve with 3-way brass bearing bush as spindle bearing
  • Fits PN6, PN10 and PN16 flanges
  • Nominal diameters DN25 to DN200
  • Kvs values of 36 m³/h to 4000 m³/h available
  • Suitable drives include motor drives of the AR30W and A44W type or ASF 122 and 123 damper drives with a spring return action


Technical description

  • Damper body made of cast iron
  • Collar made of ethylene-propylene rubber
  • Butterfly wafer made of stainless steel
  • Spindle in stainless steel sealed with two O-rings
  • Linear characteristic

Type

Title