Double Eccentric | Keystone

Double Flanged - Figure F627PQ - PN16 - 350mm-1400mm

Keystone Butterfly Valves, Double Flanged, Double Eccentric

The Keystone F627P is a bi-directional double flanged single eccentric resilient seated butterfly valve.

Features & Benefits:

  • Eccentric action reduces torque and seat contact during operation extending valve life.
  • Suitable for on/off and modulating service.
  • Face to face is in accordance with ISO 5752, AS 4795 and EN558-1- double flange butterfly valves.
  • Epoxy back seat ensures no corrosion behind the seating area.
  • Dovetail seat locking construction eliminates the need for seat retaining mechanisms that can loosen and corrode.
  • Subject to size and damage, the seat can be repaired in the field and in certain cases, repaired from outside the valve without disassembly from the main line.
  • All iron parts are fusion bonded epoxy coated for corrosion resistance and long life.
  • Lifting lugs and foot mounting points are integral to the body for easy transportation.
  • Fully rated bi-directional design.
  • Top plates are in compliance to ISO 5211, for mounting actuators.
  • Disc connection to shaft is by blind bolting eliminating potential leak paths.
  • Body and disc construction is ductile iron for higher stength and lighter weight.
  • All valves have raised face flanges.
  • Optional 316 stainless steel disc edge coating using HVOF process.
  • All flange holes are drilled through.

  • Size Range: DN350mm to DN1400mm
  • Pressure Rating: 16 Bar 
  • Temperature: -10°C to 80°C
  • Suitable Medium:  Water

End Connections

  • PN 16
  • AS 4087 CL16
  • Consult factory for other type and application.

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Technical Data Sheets

Figure 627PQ Double Flanged Butterfly Valve (English)

Bi-directional double flanged single eccentric resilient seated butterfly valve

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