The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.

1. Valve Automation
The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees
as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes.
Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used
without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.

2. Overview
WE01/WE31 WE02 WE03/WE33 WE04/WE34
WE05 WE06/WE07 WE20 ACT ARK/VRK

3. WE01 / WE31 - Introduction
WE01: 2-way NPT stainless steel ball valve
WE31: 3-way NPT stainless steel ball valve
Can be packaged with actuators, positioners and limit
switches

4. WE01 / WE31 - Specifications
Valve
Body: WE01: 2-way; WE31: 3-way
Connections: Female NPT
Pressure Limits: 28” Hg to 1000 psi (-0.7 – 69 Bar)
Line Size: ½” to 3”
Wetted Materials: CF8M, 316SS, PTFE
Actuators
Type: Manual, Electric or Pneumatic

5. WE01 / WE31 - Features
Blowout proof stem
Vented balls for lower operating torques
Reinforced PTFE seals
Full port ball design to reduce pressure drop
Offer limit switches mounted to manual valves
Available with actuators, limit switches and
positioners

6. WE02 - Introduction
2-way 3-piece NPT stainless steel ball valve
3-piece design is ideal for high cycle applications

7. WE02 - Specifications
Valve
Body: 3-piece
Connections: Female NPT
Pressure Limits: 28” Hg to 1000 psi (-0.7 – 69 bar)
Line Sizes: ½” to 3”
Wetted Materials: CF8M, 316SS, PTFE
Actuators
Types: Manual, Pneumatic or Electric

8. WE02 - Features
Designed for high cycle applications
3-piece design makes it easy to replace valve
seats.
Reinforced PTFE seals
Full port ball design to reduce pressure drop
Offer limit switches mounted to manual valves
Available with actuators, limit switches and
positioners

9. WE03 / WE33 - Introduction
WE03: 2-way Tri-Clamp stainless steel ball valve
WE33: 3-way Tri-Clamp stainless steel ball valve
Tri-clamp process for food and beverage applications

10. WE03 / WE33 - Specifications
Valve
Body: WE03: 2-way; WE31: 3-way
Connections: Tri-Clamp
Pressure Limits: 20” Hg to 1000 psi (-0.7 – 69 bar)
Line Size: ½” to 2”
Wetted Materials: CF8M, 316SS, PTFE
Actuators
Types: Manual, Pneumatic or Electric

11. WE03 / WE33 - Features
Tri-clamp process for food and beverage
applications
Cavity filled valve for sanitary applications
Full port ball design to reduce pressure drop
Configurable to fit any application
Available with actuators, limit switches and
positioners

12. WE04 / WE34 - Introduction
WE04: 2-way flanged stainless steel ball valve
WE34: 3-way flanged stainless steel ball valve
150# ANSI flange

13. WE04 / WE34 - Specifications
Valve
Body: WE04: 2-way; WE34: 3-way
Connections: 150# ANSI flange
Pressure Limits: 20” Hg to 275 psi (-0.7 – 19 bar)
Line Sizes: ½ to 3”
Wetted Materials: CF8M, 316SS, PTFE
Actuators
Types: Manual, Pneumatic or Electric

14. WE04 / WE34 - Features
Industrial 150# ANSI flange process connection
Reinforced PTFE seals
Full port ball design to reduce pressure drop
Configurable to fit any application
Vented balls for lower operating torques
Available with actuators, limit switches and
positioners

15. WE05 - Introduction
Socket weld ball valve
Welded into the process line

16. WE05 - Specifications
Valve
Body: 3-piece
Connections: Socket weld
Pressure Limits: 20” Hg to 1000 psi (-0.7 – 69 bar)
Line Sizes: ½” to 3”
Wetted Materials: CF8M, 316SS, PTFE
Actuators
Types: Manual, Pneumatic or Electric

17. WE05 - Features
Blowout proof stem
Socket weld end caps for high pressure or leak-proof
connections
Reinforced PTFE seals
Vented balls for lower operating torques
Available with actuators, limit switches and
positioners

18. V-ball Advantages
Control valve flow characteristics in a compact ball
valve package
Can withstand high pressure drops and velocities
60° and 90° balls offer an equal percentage flow
characteristic
V-ball valves offer bidirectional bubble tight shut off

19. WE06 / WE07 - Introduction
WE06: 2-way NPT V-ball ball valve
WE07: 2-way 150# Flange V-ball ball valve
Control valve flow characteristics in a compact
ball valve package

20. WE06 / WE07 - Specifications
Valve
Body: WE06: 3-piece; WE07: 2-piece
Connections: WE06: Female NPT; WE07: 150#
ANSI flange
Pressure Limits: 20” Hg to 1000 psi (-0.7 – 69 bar)
Line Size: ½” to 3”
Wetted Materials: CF8M, 316SS, PTFE
Actuators
Types: Manual, Pneumatic or Electric

21. WE06 / WE07 - Features
Available with 60° and 90° V-balls
Utilizes a machined 316SS V-ball
Reinforced PTFE seals
Bubble tight shut off at high pressure drops
Configurable to any application
Accepts actuators, limit switches and positioners

22. WE20 - Introduction
Butterfly Valve
Available in Lug or Wafer style mounting

23. WE20 - Specifications
Valve
Body: 2-way, Ductile cast iron
Line sizes: 2 to 12”
Connections: Wafer or Lug
Pressure Limits: 225 psi (15.5 bar)
Liners: EPDM or PTFE
Actuators
Types: Manual, Pneumatic or Electric

24. WE20 - Features
Designed for flow control in larger pipe sizes
Machined flats attach disc/stem – no pins
Phenolic backed cartridge seat design for
extended service
Configurable to any application
Accepts actuators, limit switches and positioners

25. ACT - Introduction
Pneumatic and electric actuators
ISO 5211 mounting configuration for easy
installation

26. ACT - Specifications
Pneumatic
Type: DA: double acting; SR: Spring Return
Enclosure: Anodized Aluminum body and epoxy coated end caps
Temperature Limits: -40ºC to 80ºC
Accessory mounting: NAMUR
Electric
Type: TD, TI: Two position; MD, MI: Modulating
Power Requirements: 120vac, 220vac, 24vac or 24vdc
Enclosure ratings: IP67

27. ACT - Features
ISO 5211 or NAMUR mounting configuration for easy
installation
Two-position electric actuators include auxiliary limit
switches and position indicators
Electric actuator come with enclosure heaters to
prevent condensation in the enclosure
Modulating actuators have an output for position
monitoring

28. Repair Kits
Replaceable seals and seats for all pneumatic
actuators and ball valves
Series ARK Actuator Repair Kits Series VRK Valve Repair Kits

29. Applications
Chiller plant
Hot and cold water mixture control

30. Applications
Irrigation Systems
Bypass valves and isolation valves

31. Applications
Waste water treatment plant
Late stage control valves

32. Applications
Thermal Oxidizers
Air or gas flow control

33. Applications
Midstream oil refinery
Oil production control valve

34. Applications
Chemical Processing
Air or gas flow control and emergency shut down

35. Configurator Demonstration