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ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & P Series (Scotch Yoke) Pneumatic Actuator
ST Series Resilient Seated Butterfly Valve with rack and pinion spring return pneumatic actuator
Spring Return		 ST Series Resilient Seated Butterfly Valve with rack and pinion double acting pneumatic actuator
Double Acting		   Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • Up to 1 million cycles
  • Extruded aluminum alloy
  • -4°F to 176°F
  • ISO 5211 w/ female drive
  • 1/4" NPT NAMUR air ports
 
Size P series (Scotch Yoke) Pneumatic Actuator
Spring Return Double Acting
80 PSIG 60 PSIG 80 PSIG 60 PSIG
Fail OPEN Fail CLOSED Price Fail OPEN Fail CLOSED Price
2" HSTWBSC8SO HSTWBSC8SC $ HSTWBSC6SO HSTWBSC6SC $ HSTWBSC8D $ HSTWBSC6D $
2 1/2" ISTWBSC8SO ISTWBSC8SC $ ISTWBSC6SO ISTWBSC6SC $ ISTWBSC8D $ ISTWBSC6D $
3" JSTWBSC8SO JSTWBSC8SC $ JSTWBSC6SO JSTWBSC6SC $ JSTWBSC8D $ JSTWBSC6D $
4" KSTWBSC8SO KSTWBSC8SC $ KSTWBSC6SO KSTWBSC6SC $ KSTWBSC8D $ KSTWBSC6D $
5" LSTWBSC8SO LSTWBSC8SC $ LSTWBSC6SO LSTWBSC6SC $ LSTWBSC8D $ LSTWBSC6D $
6" MSTWBSC8SO MSTWBSC8SC $ MSTWBSC6SO MSTWBSC6SC $ MSTWBSC8D $ MSTWBSC6D $
8" NSTWBSC8SO NSTWBSC8SC $ NSTWBSC6SO NSTWBSC6SC $ NSTWBSC8D $ NSTWBSC6D $
10" OSTWBSC8SO OSTWBSC8SC $ OSTWBSC6SO OSTWBSC6SC $ OSTWBSC8D $ OSTWBSC6D $
12" PSTWBSC8SO PSTWBSC8SC $ PSTWBSC6SO PSTWBSC6SC $ PSTWBSC8D $ PSTWBSC6D $
page 1

ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & P Series (Scotch Yoke) Pneumatic Actuator
ST Series Resilient Seated Butterfly Valve with rack and pinion spring return pneumatic actuator
Spring Return		 ST Series Resilient Seated Butterfly Valve with rack and pinion double acting pneumatic actuator
Double Acting		   Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • CISQ cerified
  • Up to 1 million cycles
  • Corrosion resistant aluminum
  • -4°F to 176°F
  • ISO 5211 w/ female drive
  • 1/8" G Threads on air ports
    (adapter available to convert to 1/4" NPT NAMUR air ports
    PN: KBNE0015-R $ )
 
Size P series (Scotch Yoke) Pneumatic Actuator
Spring Return Double Acting
80 PSIG 60 PSIG 80 PSIG 60 PSIG
Fail OPEN Fail CLOSED Price Fail OPEN Fail CLOSED Price
2" HSTWBSP8SO HSTWBSP8SC $ HSTWBSP6SO HSTWBSP6SC $ HSTWBSP8D $ HSTWBSP6D $
2 1/2" ISTWBSP8SO ISTWBSP8SC $ ISTWBSP6SO ISTWBSP6SC $ ISTWBSP8D $ ISTWBSP6D $
3" JSTWBSP8SO JSTWBSP8SC $ JSTWBSP6SO JSTWBSP6SC $ JSTWBSP8D $ JSTWBSP6D $
4" KSTWBSP8SO KSTWBSP8SC $ KSTWBSP6SO KSTWBSP6SC $ KSTWBSP8D $ KSTWBSP6D $
5" LSTWBSP8SO LSTWBSP8SC $ LSTWBSP6SO LSTWBSP6SC $ LSTWBSP8D $ LSTWBSP6D $
6" MSTWBSP8SO MSTWBSP8SC $ MSTWBSP6SO MSTWBSP6SC $ MSTWBSP8D $ MSTWBSP6D $
8" NSTWBSP8SO NSTWBSP8SC $ NSTWBSP6SO NSTWBSP6SC $ NSTWBSP8D $ NSTWBSP6D $
10" OSTWBSP8SO OSTWBSP8SC $ OSTWBSP6SO OSTWBSP6SC $ OSTWBSP8D $ OSTWBSP6D $
12" PSTWBSP8SO PSTWBSP8SC $ - - - PSTWBSP8D $ - -
page 2

ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & F Series (Rack & Pinion) Pneumatic Actuator
ST Series Resilient Seated Butterfly Valve with rack and pinion spring return pneumatic actuator
Spring Return		 ST Series Resilient Seated Butterfly Valve with rack and pinion double acting pneumatic actuator
Double Acting		   Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • Dual stroke adjustment
  • Up to 1 million cycles
  • Polyurethane coated chromated aluminum
  • -4°F to 176°F
  • ISO 5211 w/ female drive
  • 1/4" NPT NAMUR air ports
 
Size F series (Rack & Pinion) Pneumatic Actuator
Spring Return Double Acting
80 PSIG 60 PSIG 80 PSIG 60 PSIG
Fail OPEN Fail CLOSED Price Fail OPEN Fail CLOSED Price
2" HSTWBSF8SO HSTWBSF8SC $ HSTWBSF6SO HSTWBSF6SC $ HSTWBSF8D $ HSTWBSF6D $
2 1/2" ISTWBSF8SO ISTWBSF8SC $ ISTWBSF6SO ISTWBSF6SC $ ISTWBSF8D $ ISTWBSF6D $
3" JSTWBSF8SO JSTWBSF8SC $ JSTWBSF6SO JSTWBSF6SC $ JSTWBSF8D $ JSTWBSF6D $
4" KSTWBSF8SO KSTWBSF8SC $ KSTWBSF6SO KSTWBSF6SC $ KSTWBSF8D $ KSTWBSF6D $
5" LSTWBSF8SO LSTWBSF8SC $ LSTWBSF6SO LSTWBSF6SC $ LSTWBSF8D $ LSTWBSF6D $
6" MSTWBSF8SO MSTWBSF8SC $ MSTWBSF6SO MSTWBSF6SC $ MSTWBSF8D $ MSTWBSF6D $
8" NSTWBSF8SO NSTWBSF8SC $ NSTWBSF6SO NSTWBSF6SC $ NSTWBSF8D $ NSTWBSF6D $
10" OSTWBSF8SO OSTWBSF8SC $ OSTWBSF6SO OSTWBSF6SC $ OSTWBSF8D $ OSTWBSF6D $
12" PSTWBSF8SO PSTWBSF8SC $ PSTWBSF6SO PSTWBSF6SC $ PSTWBSF8D $ PSTWBSF6D $
page 3

ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & S4 Series Multi-voltage Weatherproof Electric Actuators
ST Series Resilient Seated Butterfly Valve with industrial duty electric actuator     Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • Anti-corrosive polyamide housing
  • -4°F to 158°F
  • ISO 5211 with female drive
  • Single phase motor
  • 75% duty cycle
  • External DIN plugs with PG9 cable gland connectors
  • NEMA 4/4X
 
On/Off Actuator
Size S4 Series Weatherproof Electric Actuator
UNIVERSAL Voltage (24 to 240 VAC or DC)
2" HSTWBSS4UV $
2 1/2" ISTWBSS4UV $
3" JSTWBSS4UV $
4" KSTWBSS4UV $
5" LSTWBSS4UV $
6" MSTWBSS4UV $
8" NSTWBSS4UV $
 
ST Series Resilient Seated Butterfly Valve with industrial duty electric actuator     Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • Anti-corrosive polyamide housing
  • -4°F to 158°F
  • ISO 5211 with female drive
  • Single phase motor
  • 75% duty cycle
  • External DIN plugs with PG9 cable gland connectors
  • NEMA 4/4X
  • Modulating positioner board
 
Modulating Actuator
Size S4 Series Weatherproof Electric Actuator
UNIVERSAL Voltage (24 to 240 VAC or DC)
4-20 mA 0-10 VDC Price
2" HSTWBSS4UV-EP420C HSTWBSS4UV-EP010C $
2 1/2" ISTWBSS4UV-EP420C ISTWBSS4UV-EP010C $
3" JSTWBSS4UV-EP420C JSTWBSS4UV-EP010C $
4" KSTWBSS4UV-EP420C KSTWBSS4UV-EP010C $
5" LSTWBSS4UV-EP420C LSTWBSS4UV-EP010C $
6" MSTWBSS4UV-EP420C MSTWBSS4UV-EP010C $
8" NSTWBSS4UV-EP420C NSTWBSS4UV-EP010C $
page 4

ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & K4 Series Weatherproof Electric Actuators
ST Series Resilient Seated Butterfly Valve with industrial duty electric actuator     Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • Aluminum alloy housing
  • 14°F to 131°F
  • ISO 5211 with female drive
  • Single phase motor
  • 75% or 100% duty cycle
  • 1/2" NPT conduit entry with cable gland
  • NEMA 4/4X
  • On/Off or Modulating
 
Size K4 Series 120 VAC Weatherproof Electric Actuator
On/Off Modulating
4-20 mA 0-10 VDC Price
2" HSTWBSK4A $ HSTWBSK4A-EP420C HSTWBSK4A-EP010C $
2 1/2" ISTWBSK4A $ ISTWBSK4A-EP420C ISTWBSK4A-EP010C $
3" JSTWBSK4A $ JSTWBSK4A-EP420C JSTWBSK4A-EP010C $
4" KSTWBSK4A $ KSTWBSK4A-EP420C KSTWBSK4A-EP010C $
5" LSTWBSK4A $ LSTWBSK4A-EP420C LSTWBSK4A-EP010C $
6" MSTWBSK4A $ MSTWBSK4A-EP420C MSTWBSK4A-EP010C $
8" NSTWBSK4A $ NSTWBSK4A-EP420C NSTWBSK4A-EP010C $
10" OSTWBSK4A $ OSTWBSK4A-EP420C OSTWBSK4A-EP010C $
12" PSTWBSK4A $ PSTWBSK4A-EP420C PSTWBSK4A-EP010C $
page 5

ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & B7 Series Explosion Proof Electric Actuators
ST Series Resilient Seated Butterfly Valve with heavy-duty explosion proof electric actuator     Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
   Actuator
  • Epoxy powder coated aluminum housing
  • -40°F to 150°F
  • ISO 5211 with female drive shaft
  • Single phase motor
  • 50% duty cycle
  • Two 1/2" NPT conduit entries and internal wiring terminal
  • NEMA 4/4X/7
  • On/Off or Modulating
  • Motor Brake Standard on all On/Off units
 
120 VAC Actuator
Size B7 Series 120 VAC Explosion Proof (NEMA 7) Electric Actuator
On/Off Modulating
4-20 mA 0-10 VDC Price
2" HSTWBSB7A-MB $ HSTWBSB7A-EP420C HSTWBSB7A-EP010C $
2 1/2" ISTWBSB7A-MB $ ISTWBSB7A-EP420C ISTWBSB7A-EP010C $
3" JSTWBSB7A-MB $ JSTWBSB7A-EP420C JSTWBSB7A-EP010C $
4" KSTWBSB7A-MB $ KSTWBSB7A-EP420C KSTWBSB7A-EP010C $
5" LSTWBSB7A-MB $ LSTWBSB7A-EP420C LSTWBSB7A-EP010C $
6" MSTWBSB7A-MB $ MSTWBSB7A-EP420C MSTWBSB7A-EP010C $
8" NSTWBSB7A-MB $ NSTWBSB7A-EP420C NSTWBSB7A-EP010C $
10" OSTWBSB7A-MB $ OSTWBSB7A-EP420C OSTWBSB7A-EP010C $
12" PSTWBSB7A-MB $ PSTWBSB7A-EP420C PSTWBSB7A-EP010C $
 
24 VDC Actuator
Size B7 Series 24 VDC Explosion Proof (NEMA 7) Electric Actuator
On/Off Modulating
4-20 mA 0-10 VDC Price
2" HSTWBSB7B-MB $ HSTWBSB7B-EP420C HSTWBSB7B-EP010C $
2 1/2" ISTWBSB7B-MB $ ISTWBSB7B-EP420C ISTWBSB7B-EP010C $
3" JSTWBSB7B-MB $ JSTWBSB7B-EP420C JSTWBSB7B-EP010C $
4" KSTWBSB7B-MB $ KSTWBSB7B-EP420C KSTWBSB7B-EP010C $
5" LSTWBSB7B-MB $ LSTWBSB7B-EP420C LSTWBSB7B-EP010C $
6" MSTWBSB7B-MB $ MSTWBSB7B-EP420C MSTWBSB7B-EP010C $
8" NSTWBSB7B-MB $ NSTWBSB7B-EP420C NSTWBSB7B-EP010C $
10" OSTWBSB7B-MB $ OSTWBSB7B-EP420C OSTWBSB7B-EP010C $
12" PSTWBSB7B-MB $ PSTWBSB7B-EP420C PSTWBSB7B-EP010C $
page 6

ST Series Wafer Flange,
BUNA Resilient Seated Butterfly Valves - Price List

Effective: Dec-21-2024

Wafer Connections & Manual Operators
ST Series Resilient Seated Butterfly Valve with manual lever operatorST Series Resilient Seated Butterfly Valve with manual geared hand wheel Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • BUNA seat
  • ANSI class 125/150 Wafer flange connections
  • -22 to 230°F
  • 2" to 12": 225 PSIG
    14" to 24": 160 PSIG
 
Size 10 Position Locking Lever Geared Hand Wheel
2" HSTWBSM $ HSTWBSG $
2 1/2" ISTWBSM $ ISTWBSG $
3" JSTWBSM $ JSTWBSG $
4" KSTWBSM $ KSTWBSG $
5" LSTWBSM $ LSTWBSG $
6" MSTWBSM $ MSTWBSG $
8" NSTWBSM $ NSTWBSG $
10" OSTWBSM $ OSTWBSG $
12" PSTWBSM $ PSTWBSG $
 

Spare Parts and Replacement Seals


Spare parts are available...

Call 1-800-899-0553 for pricing or to order