Brochure

F-27855-10184
Zone Valves
9. Zone Valves
121
Zone Valves
Modulating Valve
Spring and Non-Spring Return
AT, AP Series
Features
• Magnetic clutch to maximize the life of the motor and gear
train.
• Manual operating level position indicator facilitates field
setup.
• Easy to use terminal blocks.
• Acutator can be installed after the valve body.
• Three-wire floating and 0 to 10 Vdc or 4 to 20 mA
proportional available.
• Spring will return actuator to normal position when the
power is lost.
Two Position
Spring and Non-Spring Return
AG, AH Series
Features
• Hysteresis synchronous motor for long life.
• Spring return operation.
• Valve body rated for 300 psig (20.6 bar) static pressure.
• Available in a variety of voltages.
• Actuator mounts directly onto the valve body without the
need for linkages or calibration.
• Manual opening lever (normally closed only).
• Actuator can be replaced without any tools, or removal of
the valve from the system.
• VS series valves available for low pressure steam.
TAC Erie ™ Zone Valves
Table of Contents
Modulating Zone Valve Assembly Configurator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Two Position Zone Valve Assembly Configurator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Modulating Two-Way Spring Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Two-Way Non-Spring Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Three-Way Mixing Spring Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Three-Way Mixing Non-Spring Return . . . . . . . . . . . . . . . . . . . . . . . . 134
Two Position General Close-Off Two-Way Spring Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Two Position High Close-Off Two-Way Spring Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Two Position General Close-Off Three-Way Mixing or Diverting Spring Return . . . . . . . . . . . . . . . . . . 140
Two-Position High Close-Off Three-Way Mixing or Diverting Spring Return . . . . . . . . . . . . . . . . . . 143
Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Additional Information
Modulating Spring and Non-Spring Return PopTop, Two-Way and Three-Way VM Assemblies Flow Patterns . .149
Two-Position Spring Return PopTop Two-Way and Three-Way VT/VS Assemblies Flow Patterns . . . . . . . . . . .150
F-27411-3 © Copyright 2007 TAC. All Rights Reserved
9. Zone Valves