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Quick Deliveries of High Quality Valves and Flow Meters
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We Make Valve Automation Easy

Actuated 3 way Ball Valve
Selection Guide

About 3-way Ball Valves

Three way ball valves have 3 ports. They are available in a variety of body materials and with all of the common end connections. They can be manually operated or automated with an electric or pneumatic actuator. They can be used as diverter valves, where flow a single inlet is diverted to either of the two other ports as the outlet. They can also be used as an input selector where a single outlet port is fed the flow from one of the other two ports as the supply inlet. The bore through the ball (ball drilling) comes in two varieties, "L" and "T" as shown below.

3-way ball valve flow plans
Series Body Material
Seal Material
Conn. Type
Size Range
Max.
Pressure
Max.
Temp.
PTP
PVC
PTFE seats; EPDM or Viton® seals
NPT or Glue Socket
1/2" to 2"
232 PSI

140°F
31D Brass
RPTFE seats; PTFE, RPTFE,or Viton® seals
NPT
1/4" to 3"
400 PSIG
100 WSP
320°F
33D Stainless Steel
RPTFE seats; RPTFE seals
NPT
1/4" to 2"
800 PSIG 400°F
30D Stainless Steel
PTFE seats & seals
TriClamp
1/2 " to 4"
1000 WOG 392°F
MPF Carbon Steel or Stainless Steel
TFM seats & seals
ANSI Flange (150# or 300#)
1/2" to 6"
275 PSIG,
WCB 285 PSI
475°F
PTP Series

Actuated 3-way PVC Ball Valves

Key Features
  • True union at all three ports
  • Full port design
  • Positive shutoff of any of the three ports
  • T-port or L-port configuration. (specifier must select one)
  • Blocking seat supports at all three ports
  • Smooth machined ball to minimize wear on valve seats
  • O-ring backing cushions to compensate for wear and prevent seizure of the ball
  • Shear point above the o-ring to maintain system integrity in the unlikely event of a stem breakage
  • DUAL BLOCK® union nut locking mechanism
  • Optional feature to allow the valve position to be secured with a padlock
  • Handle incorporates removable tool for adjustment of the threaded carrier
  • Stem indication of port location and ball position
  • Integrally molded mounting flanges for support and actuation

Specifications

Materials

  • Body: PVC
  • Seats: PTFE
  • Seals: EPDM or Viton®

End Connections

  • NPT: 1/2" to 2"
  • Glue Socket: 1/2" to 2"

Temperature and Pressure

  • Max. Temperature: 140°F
  • Max. Pressure: 232 PSI
  • see pressure/temperature curve
INFO
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31D Series

Brass Actuated 3-way Ball Valves

Key Features
  • Standard port
  • Blow-out proof stem
  • Live-loaded Pyramidal stem seal design
  • Integrated mounting pad for actuators
  • Compact assembly
  • Complete line of accessories
Specifications

Materials

  • Body: Brass
  • Seats: PTFE
  • Seals: PTFE
  • Stem O-ring: Viton®

End Connections

  • NPT: 1/4" to 3"

Temperature and Pressure

  • Max. Temperature: 320°F
  • Max. Pressure: 400 PSI
  • see pressure/temperature curve
INFO
BUY
33D Series

316SS Actuated 3-way Ball Valve

Actuated 3-way Stainless Steel Ball Valves
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

Actuated 3-way Tri-clamp Ball Valves
Key Features
  • Silicone Free
  • Valve materials, interior finish, and dimensions comply with 3A, FDA, and USDA requirements
  • 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
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MPF Series

ANSI Flanged Actuated 3-way Ball Valve

Key Features
  • One piece stem and ball trunnion support design
  • Full port for unrestricted flow
  • Three seat design maintains proper ball position
  • Actuator mounting pad
  • Anti-static grounding device
  • Open and closed locking device for positional safety lockout
  • Flow plans for T & L ports can be field rearranged to meet many other flow plans
Specifications

Materials

  • Body: Carbon Steel or Stainless Steel
  • Seats & Seals: TFM

End Connections

  • 150# ANSI Flange: 1/2" to 6"
  • 300# ANSI Flange: 1 1/2" to 6"

Temperature and Pressure

  • Max. Temperature: 475°F
  • Max. Pressure:
    150#: 250 PSI
    150#: 700 PSI
  • see pressure/temperature curve

INFO
BUY
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