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ST Series Wafer Flange,
EPDM 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
  • EPDM seals
  • 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" HSTWESP8SO HSTWESP8SC $ HSTWESP6SO HSTWESP6SC $ HSTWESP8D $ HSTWESP6D $
2 1/2" ISTWESP8SO ISTWESP8SC $ ISTWESP6SO ISTWESP6SC $ ISTWESP8D $ ISTWESP6D $
3" JSTWESP8SO JSTWESP8SC $ JSTWESP6SO JSTWESP6SC $ JSTWESP8D $ JSTWESP6D $
4" KSTWESP8SO KSTWESP8SC $ KSTWESP6SO KSTWESP6SC $ KSTWESP8D $ KSTWESP6D $
5" LSTWESP8SO LSTWESP8SC $ LSTWESP6SO LSTWESP6SC $ LSTWESP8D $ LSTWESP6D $
6" MSTWESP8SO MSTWESP8SC $ MSTWESP6SO MSTWESP6SC $ MSTWESP8D $ MSTWESP6D $
8" NSTWESP8SO NSTWESP8SC $ NSTWESP6SO NSTWESP6SC $ NSTWESP8D $ NSTWESP6D $
10" OSTWESP8SO OSTWESP8SC $ OSTWESP6SO OSTWESP6SC $ OSTWESP8D $ OSTWESP6D $
12" PSTWESP8SO PSTWESP8SC $ - - - PSTWESP8D $ PSTWESP6D $
page 1

ST Series Wafer Flange,
EPDM 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
  • EPDM seals
  • 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" HSTWESF8SO HSTWESF8SC $ HSTWESF6SO HSTWESF6SC $ HSTWESF8D $ HSTWESF6D $
2 1/2" ISTWESF8SO ISTWESF8SC $ ISTWESF6SO ISTWESF6SC $ ISTWESF8D $ ISTWESF6D $
3" JSTWESF8SO JSTWESF8SC $ JSTWESF6SO JSTWESF6SC $ JSTWESF8D $ JSTWESF6D $
4" KSTWESF8SO KSTWESF8SC $ KSTWESF6SO KSTWESF6SC $ KSTWESF8D $ KSTWESF6D $
5" LSTWESF8SO LSTWESF8SC $ LSTWESF6SO LSTWESF6SC $ LSTWESF8D $ LSTWESF6D $
6" MSTWESF8SO MSTWESF8SC $ MSTWESF6SO MSTWESF6SC $ MSTWESF8D $ MSTWESF6D $
8" NSTWESF8SO NSTWESF8SC $ NSTWESF6SO NSTWESF6SC $ NSTWESF8D $ NSTWESF6D $
10" OSTWESF8SO OSTWESF8SC $ OSTWESF6SO OSTWESF6SC $ OSTWESF8D $ OSTWESF6D $
12" PSTWESF8SO PSTWESF8SC $ PSTWESF6SO PSTWESF6SC $ PSTWESF8D $ PSTWESF6D $
page 2

ST Series Wafer Flange,
EPDM 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
  • EPDM seals
  • 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" HSTWESS4UV $
2 1/2" ISTWESS4UV $
3" JSTWESS4UV $
4" KSTWESS4UV $
5" LSTWESS4UV $
6" MSTWESS4UV $
8" NSTWESS4UV $
 
ST Series Resilient Seated Butterfly Valve with industrial duty electric actuator     Valve
  • Epoxy Coated Ductile Iron Body
  • 316 Stainless Steel Disc
  • EPDM seals
  • 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" HSTWESS4UV-EP420C HSTWESS4UV-EP010C $
2 1/2" ISTWESS4UV-EP420C ISTWESS4UV-EP010C $
3" JSTWESS4UV-EP420C JSTWESS4UV-EP010C $
4" KSTWESS4UV-EP420C KSTWESS4UV-EP010C $
5" LSTWESS4UV-EP420C LSTWESS4UV-EP010C $
6" MSTWESS4UV-EP420C MSTWESS4UV-EP010C $
8" NSTWESS4UV-EP420C NSTWESS4UV-EP010C $
page 3

ST Series Wafer Flange,
EPDM 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
  • EPDM seals
  • 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" HSTWESK4A $ HSTWESK4A-EP420C HSTWESK4A-EP010C $
2 1/2" ISTWESK4A $ ISTWESK4A-EP420C ISTWESK4A-EP010C $
3" JSTWESK4A $ JSTWESK4A-EP420C JSTWESK4A-EP010C $
4" KSTWESK4A $ KSTWESK4A-EP420C KSTWESK4A-EP010C $
5" LSTWESK4A $ LSTWESK4A-EP420C LSTWESK4A-EP010C $
6" MSTWESK4A $ MSTWESK4A-EP420C MSTWESK4A-EP010C $
8" NSTWESK4A $ NSTWESK4A-EP420C NSTWESK4A-EP010C $
10" OSTWESK4A $ OSTWESK4A-EP420C OSTWESK4A-EP010C $
12" PSTWESK4A $ PSTWESK4A-EP420C PSTWESK4A-EP010C $
page 4

ST Series Wafer Flange,
EPDM 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
  • EPDM seals
  • 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
 
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" HSTWESB7A $ HSTWESB7A-EP420C HSTWESB7A-EP010C $
2 1/2" ISTWESB7A $ ISTWESB7A-EP420C ISTWESB7A-EP010C $
3" JSTWESB7A $ JSTWESB7A-EP420C JSTWESB7A-EP010C $
4" KSTWESB7A $ KSTWESB7A-EP420C KSTWESB7A-EP010C $
5" LSTWESB7A $ LSTWESB7A-EP420C LSTWESB7A-EP010C $
6" MSTWESB7A $ MSTWESB7A-EP420C MSTWESB7A-EP010C $
8" NSTWESB7A $ NSTWESB7A-EP420C NSTWESB7A-EP010C $
10" OSTWESB7A $ OSTWESB7A-EP420C OSTWESB7A-EP010C $
12" PSTWESB7A $ PSTWESB7A-EP420C PSTWESB7A-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" HSTWESB7B $ HSTWESB7B-EP420C HSTWESB7B-EP010C $
2 1/2" ISTWESB7B $ ISTWESB7B-EP420C ISTWESB7B-EP010C $
3" JSTWESB7B $ JSTWESB7B-EP420C JSTWESB7B-EP010C $
4" KSTWESB7B $ KSTWESB7B-EP420C KSTWESB7B-EP010C $
5" LSTWESB7B $ LSTWESB7B-EP420C LSTWESB7B-EP010C $
6" MSTWESB7B $ MSTWESB7B-EP420C MSTWESB7B-EP010C $
8" NSTWESB7B $ NSTWESB7B-EP420C NSTWESB7B-EP010C $
10" OSTWESB7B $ OSTWESB7B-EP420C OSTWESB7B-EP010C $
12" PSTWESB7B $ PSTWESB7B-EP420C PSTWESB7B-EP010C $
page 5

ST Series Wafer Flange,
EPDM 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
  • EPDM seals
  • 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" HSTWESM $ HSTWESG $
2 1/2" ISTWESM $ ISTWESG $
3" JSTWESM $ JSTWESG $
4" KSTWESM $ KSTWESG $
5" LSTWESM $ LSTWESG $
6" MSTWESM $ MSTWESG $
8" NSTWESM $ NSTWESG $
10" OSTWESM $ OSTWESG $
12" PSTWESM $ PSTWESG $
 

Spare Parts and Replacement Seals


Spare parts are available...

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