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Instantly add the Figure 56 Resilient Seated Butterfly Valve and 50,000+ more product series to your store or catalog  
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Keystone Figure Resilient Seated Butterfly Valve, 56

Figure 56 Resilient Seated Butterfly Valve

Brand: Keystone
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Valve for use in power generation plants, municipal water treatment and industrial applications.
Features
  • Face to face is in compliance with EN558, series 13 (short) and 14 (long) for sizes below DN 2000. Sizes DN 2000 and above face to face is according to AWWA C516.
  • Replaceable actuator flange in accordance to ISO 5211.
  • Cast double flanged butterfly valve, which can be drilled acc. various flange standards (JIS, BS, ISO/EN, ASME and AWWA). Dead-end service capability with down stream piping removed.
  • Body and disc protective coatings or rubber linings are available for sea water or corrosive services.
  • Low headloss thru optimized disc design.
  • The special seat and disc edge contours reduce seating torque, provide better shut-off and longer service life.
  • The seat is adjustable in order to optimize the required shut-off tightness with the accompanying torque, for unidirectional or bidirectional operation.
  • Replaceable seat without special tooling, dismantling or removing the valve from the line.
  • A stainless steel disc edge resists against corrosion and avoids encrust build-up for consistent sealing.
  • Dry shaft design.
  • High strength stub shafts have full 1½ diameter penetration into disc-hubs with close tolerance-fit.
  • Self lubricating sleeve bearings allow valve installation with the shaft horizontal or vertical.

Specifications

Brand

Approvals & Certifications

  • PED

Body Design

  • Long Pattern, Short Pattern

Material

  • Super Duplex, Aluminum Bronze, EPDM Rubber, Carbon Steel, Ductile Iron, Duplex, Buna-N, 316 Stainless Steel

Media

  • Air, Water

Operating Temperature

  • Up to 250° F (120° C)

Pressure Class

  • PN

Process Connection Type

  • PN 16

Seat / Seal Type

  • Resilient

Shutoff Class

  • Zero Leakage

Stem

  • O-Ring

Valve Size

  • NPS 36, NPS 30, NPS 20 / DN 500, NPS 24 / DN 600, NPS 40, NPS 42, NPS 56, NPS 60

Valve Size Standard

  • DN

Valve Type

  • Butterfly

  • Municipal Water Treatment
  • Desalination
  • Power Generation 
  • Industrial Applications

Documentation

Data Sheets

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