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Silicone Free Valve
Selection Guide

Series Valve Type
Actuation
Conn. Type
Size Range
Pressure
Range
Temp.
Range
2-way Ball Valves
21
Full Port, 2-piece, 2-way ball valve
Manual Lever
NPT
1/4" to 2"
1000 PSIG Max.
-20 to 400°F
26 Full Port, 2-piece, 2-way ball valve
Pneumatic, Electric, Manual
NPT
1/4" to 3"
up to 2000 PSIG
depending on size
up to 400°F
36 Full Port, 3-piece, 2-way ball valve
Pneumatic, Electric, Manual
NPT, Socket, or Tri-Clamp
1/2" to 4"
1000 PSIG up to 380°F
3-way Ball Valves
33D Full Port, 3-way ball valve
Pneumatic, Electric, Manual
NPT
1/2" to 4"
up to 800 PSIG up to 400°F
30D Full Port, 3-way ball valve
Pneumatic, Electric, Manual
Tri-Clamp
1/2" to 4"
1000 PSIG WOG -4 to 392°F
Butterfly Valves
ST Resilient Seat Butterfly valves (EPDM or BUNA)
Pneumatic, Electric, Manual
Class 150 or 300, Lugged or Wafer
Wafer: 2" to 12"; Lugged: 2" to 24"
2" to 12": 225 PSIG
14" to 24": 160 PSIG
BUNA -4°F to 194°F
EPDM -22°F to 230°F
21 Series

2-way Full Port Stainless Steel Ball Valves

Key Features
  • Silicone Free
  • Full Port for unobstructed flow
  • Investment cast 2-piece body
  • Blow-out proof stem
  • Compact assembly
  • Locking device
Specifications

Materials

  • Body & End Cap: 351 SS
  • Ball & Stem: 316 SS
  • Stem Nut & Washer: 304 SS
  • Handle & Locking Device: 304 SS
  • Seats & Seals: PTFE

End Connections

  • NPT Threaded (1/4" to 2")

Temperature and Pressure

  • Max. Temp: 366°F
  • Max. Pressure: 1000 PSIG
  • see Pressure/Temperature curve
INFO
BUY
26 Series

316SS Actuated 2-way Ball Valve

Key Features
  • Silicone Free
  • Full Port for unobstructed flow
  • Investment cast 2-piece body
  • Live-loaded Pyramidal stem seal design
  • Blow-out proof stem
  • High cycle stem design [details]
  • ISO 5211 mounting pad for direct mount actuators
  • Compact assembly
  • Complete line of accessories
Specifications

Materials

  • Body, Ball, & Stem: 316 SS
  • Seats: RPTFE
  • Stem Seals: PTFE, Viton®, or RPTFE

End Connections

  • NPT Threaded (1/4" to 3")

Temperature and Pressure

  • Max. Temperature: 400°F
  • Max. Pressure:
    2000 PSIG (1/4" to 1")
    1500 PSIG (1 1/4" to 2")
    1000 PSIG (2 1/2" to 3")
  • see Pressure/Temperature curve

INFO
BUY
36 Series

316SS Actuated 2-way Ball Valve

Key Features
  • Silicone Free
  • Full Port for unrestricted flow
  • Live-loaded Pyramidal stem seal design
  • High cycle stem design [details]
  • ISO 5211 mounting pad for direct mount actuators
  • 3-piece body with "swing-out" center for easy repair
Specifications

Materials

  • Body: 316 Stainless Steel
  • Seats: RPTFE

End Connections

  • NPT Threaded (3/8" to 3")
  • Socket Weld (3/8" to 3")
  • Tri-clamp (1/2" to 4")

Temperature and Pressure

  • Max. Tempurature: 400°F
  • Max. Pressure: 1000 PSIG
  • see Pressure/Temperature curve
INFO
BUY
33D Series

316SS Actuated 3-way Ball Valve

Key Features
  • Silicone Free
  • Full Port for unrestricted flow
  • Blow-out proof stem
  • Live-loaded Pyramidal stem seal design
  • Integrated mounting pad for actuators
  • Compact assembly
  • Complete line of accessories
Specifications

Materials

  • Body: 316 Stainless Steel
  • Seats: RPTFE
  • Seals: RPTFE

End Connections

  • NPT: 1/4" to 2"

Temperature and Pressure

  • Max. Temperature: 400°F
  • Max. Pressure: 800 PSIG
  • see pressure/temperature curve
INFO
BUY
30D Series

Sanitary 316SS Actuated 3-way Ball Valve

Key Features
  • Silicone Free
  • 3A approved
  • Sanitary clamp end connections
  • Seats with cavity fillers to avoid media entrapment
  • Full port bore
  • ISO 5211 direct mount actuator mounting pad
  • Blow-out proof stem
  • Latch locking handle
  • Electric or pneumatic actuators available
  • Solenoid valves and limit switches available
Specifications

Materials

  • Body: 316 Stainles Steel
  • Seat & Seals: PTFE

End Connections

  • Tri-Clamp: 1/2" to 4"

Temperature and Pressure

  • Max. Tempurature: 392°F
  • Max. Pressure: 1000 WOG
  • see pressure/temperature curve
INFO
BUY
ST Series

Resilient Seat Butterfly Valve

Key Features
  • 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
Specifications

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
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