Actuated Butterfly Valve
Selection Guide
About Butterfly Valves
Butterfly valves are a common valve type used in large diameter pipes. They are typically used for basic on/off service, but can also be effectively used to throttle flow. They are operated with a simple 90 degree turn (qurter-turn) of a disc shaped obstructor. This disc has a slim profile around which flow passes when parallel to flow, but stops the flow in the when rotated 90 degrees to fill the entire opening of the valve.
Series |
Body Material
Seal Material |
Conn. Type
Size Range |
Max.
Pressure
|
Max.
Temp. |
BFY
|
316L Stainless Steel
Seat: EPDM, Silcone, or Viton® |
Tri-clamp or Butt weld
1/2" to 6" |
110 PSIG
|
200°F |
FE
|
PVC
Seat: EPDM |
Wafer
1 1/2" to 12" |
232 PSIG (1 1/2" to 2")
150 PSIG (2 1/2" to 8")
75 PSIG (10 to 12")
|
140°F |
FK |
GRPP (glass reinforced polypropylene)
EPDM or Viton |
Wafer or Lugged Flange
1 1/2" to 12" |
150 PSIG (up to 10")
120 PSIG (12")
|
212°F |
ST |
Epoxy Coated Ductile Iron
Seat: Buna-N or EPDM |
Wafer or Lugged Flange
2" to 24" |
225 PSIG (2" to 12")
160 PSIG (14" to 24")
|
Buna: 194°F
EPDM: 230°F |
HP |
Carbon Steel or Stainless Steel
Seat: RPTFE |
Wafer or Lugged (150# or 300#)
2" to 24" |
285 PSIG (150#)
740 PSIG (300#)
|
450°F |
HPX |
Carbon Steel or Stainless Steel
Stainless Steel 316
Laminated Stainless Steel 316/ Graphite |
Wafer or Lugged (150#, 300#, or #600)
2" to 24" |
285 PSIG (150#)
740 PSIG (300#)
800 PSIG (600#)
|
1500°F |
XLD |
PFA (or PTFE) Lined Ductile Iron |
Wafer or Lugged
2" to 24" |
150 PSIG |
400°F |
BFY Series
Sanitary Butterfly Valves
- ASTM 316L grade stainless steel body
- Valve materials, interior finish, and dimensions comply with 3A, FDA, and USDA requirements
- 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
INFO
BUY
FE Series
PVC Actuated Butterfly Valves
- 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
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
INFO
BUY
FK Series
Polypropylene Butterfly Valve
- 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
INFO
BUY
ST Series
Resilient Seat Butterfly Valve
- 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
INFO
BUY
HP Series
High Performance Butterfly Valve
- 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
INFO
BUY
HPX Series
Triple Offset Low Emission Butterfly Valves
- 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
INFO
BUY
XLD Series
Teflon Lined Butterfly Valve
- 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
INFO
BUY
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