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Flanged Butterfly Valve (Series BFIII)

VSI Series BFIII flanged butterfly valves are equipped with a replaceable corrosion resistant body mounted seat.

This seat is secured to the body with standard bolting practices, allowing easy field replacement by maintenance personnel with no additional training.

The design of the seat allows for more accurate machining operations than standard cast-in-body seats, producing higher final tolerance units.

The replaceable seat is equipped with a resilient seal to ensure no residual flow between the seat and valve body.

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For more information, please check the Documentation tab below or send us an email. If you prefer to speak with one of our engineers, please call 770-740-0800.

Features

Construction:

  • AWWA C504
  • ASME B16.34
  • API 609

Coatings:

  • AWWA C550
  • Connections:
  • ANSI B16.1 Class 125*
  • ANSI B16.5 Class 150
  • ANSI/AWWA C111/A21.11
  • ISO 7005

Laying Length:

  • AWWA C504 Short*
  • ISO 5752

Classifications:

  • 150A
  • 150B*
  • 250B

Bonnet:

  • MSS SP-101*
  • ISO 5211

Stem Diameter:

  • ISO 5211

Key Size:

  • ISO R773

*Standard Option

Documentation

Document TypeDownload
Valve Product BrochureDownload PDF
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