Actuated Butterfly Valve
Selection Guide

• ASTM 316L grade stainless steel body
• Surface finish meets 3-A, FDA & USDA standards
• 316L mirror finish disc provides an even flow preventing obstructions and restrictions
• Opposing body bolt design prevents loosening between body sections due to vibration and operation, and provides positive sealing
• Bolting is flush with body surface
• FDA approved available options: silicone, EPDM and VITON®
• 13-position, 304SS, spring loaded lever lock handle
• Suitable for actuation with pneumatic, electric, or canister actuators

Materials

• Body: 316L Stainless Steel
• Seat: EPDM, Silicone, or Viton®

End Connections

• Tri-Clamp: 1/2" to 6"
• Butt Weld: 1/2" to 6"

Temperature and Pressure

• Max. Temperature:200°F
• Max. Pressure: 110 PSIG
  

• Standard ISO square dimensions for direct mounting of actuators
• The disc/seat features a trapezoidal elastomeric liner to provide a bubble tight seal
• The liner completely isolates the valve body from the process flow
• The liner functions as a flange gasket on both sides of the valve
• The body cavity features special channeling to prevent liner slippage and compression
• PTFE seated o-ring shaft seals

Materials

• Body: PVC
• Seat: EPDM

End Connections

• ANSI 150# Wafer: 1 1/2" to 12"

Temperature and Pressure

• Max. Temperature: 140°F
• Max. Pressure:
  1 1/2" to 2": 232 PSIG
  2 1/2" to 8": 150 PSIG
  10" to 12": 75 PSIG
  
• see pressure/temperature curve

• Standard ISO square dimensions for direct mounting of actuators
• The disc/seat features a trapezoidal elastomeric liner to provide a bubble tight seal
• The liner completely isolates the valve body from the process flow
• The liner functions as a flange gasket on both sides of the valve
• The body cavity features special channeling to prevent liner slippage and compression
• PTFE seated o-ring shaft seals

Materials

• Body: GRPP (glass reinforced polypropylene)
• Seat: EPDM or VITON

End Connections

• Wafer: 1 1/2" to 12"
• Lugged: 1 1/2" to 12"

Temperature and Pressure

• Max. Temperature: 212°F
• Max. Pressure:
  up to 10": 150 PSIG
  12": 120 PSIG
• see pressure/temperature curve

• Silicone Free
• Economy & high performance
• One-piece body construction and self-centering disc.
• Seat facing acts as flange gasket.
• 3 shaft bushings support actuation.
• Shaft sealing against external leakage
• Meets MSS SP-67 and API-609 specs.
• Complete line of accessories

Materials

• Body: Epoxy coated ductile iron
• Seat: Buna-N or EPDM

End Connections

• Wafer: 2" to 12"
• Lugged: 2" to 24"

Temperature and Pressure

• Max. Temperature:
  Buna-N: 194°F
  EPDM: 230°F
• Max. Pressure:
  2" to 12": 225 PSIG
  14" to 24": 160 PSIG

• Class VI shut-off, Bubble tight
• Advanced seat design: provides a bi-directional interference and pressure assisted seal. This provides maximum seal at high, medium and low pressures
• Extended neck allows for up to two inches of pipe insulation
• Positive seal packing design
• Graphite impregnated or reinforced 316 SS bearings
• High strength 17-4 ph SS stem for high-torque applications
• Quick-release disc design
• Offset disc taper pins
• Integrally cast disc position stop
  
  

Materials

• Body: Carbon Steel or Stainless Steel
• Seat: RPTFE

End Connections

• Wafer: 2" to 12"
• Lugged: 2" to 12"

Temperature and Pressure

• Max. Tempurature: 450°F
• Max. Pressure:
  150#: 285 PSIG
  300#: 740 PSIG
• see Pressure/Temperature curve

• High-temperature graphite stem packing to prevent fugitive emissions and fire hazards
• Easily field-repairable body and disc seats without special tooling
• Internal keyed and pinned connection to align disc seal to body seat
• One-piece shaft for resistance to full bi-directional pressure/vacuum service
• API-certified fire-safe design for zero leakage before/during/after a fire
• Tight shut off: ISO 5208 Rating - A
• Low Torque and Seat Friction
• Lightweight compared to ball, plug, globe, and gate valves of the same size
• Good for throttling which makes them a good alternative to globe and gate valves
• Bidirectional flow with positive shut-off in both directions for gasses and liquids
  

Materials

• Body: Carbon Steel or Stainless Steel
• Disc: Carbon Steel or Stainless Steel
• Disc Seal: Stainless Steel 316
• Body Seats: Laminated Stainless Steel 316/ Graphite
• Seat Retainer: Steel
• Body Seat Gasket: Graphite
• Disc Seal Gasket: Graphite

End Connections

• ANSI 150# Lugged and Wafer: 3" to 48"
• ANSI 300# Lugged and Wafer: 3" to 48"
• ANSI 600# Lugged and Wafer: 4" to 24"
• Long Pattern Flanged, Buttweld also available

Temperature and Pressure

• Temperature:
  800°F (standard)
  -425°F to 1500°F with special materials
  see Pressure/Temperature curve
  
  
• Max. Pressure:
  ANSI 150#: 285 PSIG
  ANSI 600#: 800 PSIG
  up to 1500 PSIG with special materials
  see Presure/Temperature curve

• Substantial PFA liners for 3" through 12" and PTFE liners for 14" through 24"
• Live loaded stem sealing system
• Low torque
• Improved disc design leading to less deflection at higher pressures and tighter in-line seal
• ISO 5211 Actuator Mounting Pad for standardized actuator mounting
• Live loaded self-adjusting shaft seal with triple O-ring protection
• Blow-out proof shaft design for additional operator safety
• Extended body and disc liner above the shaft seals
• PTFE atmospheric seal
• Fully encapsulated bottom shaft
• Complete line of accessories

Materials

• Body: Epoxy Coated Ductile Iron
• Seats: Teflon (PFA or PTFE)

End Connections

• 150# ANSI Flange (Wafer): 2" to 24"
• 150# ANSI Flange (Lugged): 2" to 24"

Temperature and Pressure

• Max. Temperature: 400°F
• Max. Pressure: 150 PSI