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Figure 631 (DN100 to 1050)

  • Manufacturer: EMERSON
  • Valve Type: Butterfly Valves - Rubber Lined / High Performance / Triple Offset
  • Sub-Type: Keystone Butterfly Valves
  • Approved to AS/NZS 4020, making the F631 suitable for use in potable water applications.
  • Type tested in accordance to AS 4795.2
  • Double flanged bi-directional valve with replaceable, bed grooved seat.
  • Face to face dimensions in accordance with ISO 5752 Series 13 or BS EN 558 series 13
  • Dry shaft design isolates the body and shaft from the medium, reducing corrosion and extending valve life.
  • Proven seal on body design ensures the entire wetted area and flanges are protected, providing superior corrosion protection.
  • The field repairable seat has integrally moulded-in O-rings, providing flange sealing and eliminating the need for gaskets.
  • Bubble tight shut-off at full rated pressure.


The F631 PN16 is a bi-directional, double flanged, resilient seated butterfly valve For the isolation or control of potable or waste water in below or above ground applications.


Product Tags

Butterfly Valve Emerson Keystone Butterfly Valve

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