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Valve Selection Guide for Three-Way Valves
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 11
HOW TO USE TABLE:
1. Select the vertical column that has a valve body series that meets your requirements.
2. Select the horizontal column with correct type of actuator (Pneumatic or Electric/Electronic) and correct input signal for
Electric/Electronic actuator.
3. The intersection of the two columns shows the pages for complete selection and ordering information.
Valve Application
Chilled or Hot
Water
300°F
Maximum
Chilled or Hot
Water
Chilled or Hot
Water
281°F
Maximum
Chilled or Hot
Water
275°F
Maximum
32 to 200°F
(0 to 94°C)
Hot & Chilled
Water
32 to 250F (0
to 121C) Water
and Steam 15
psia (103 kPa)
Steam.
32 to 200°F
(0 to 94°C)
Hot & Chilled
Water
Valve Body Type
Globe Ball Butterfly Zone On/Off
Zone
Modulating
Flared NPT Screwed Metal-to-Metal Rubber Lined Screwed and Sweat
VB-7332-0-4-P
VB-2353-0-8-P
a
a
Linkage required.
VXX-666X-
XXX-2-P
VXX-676X-
XXX-2-P
VT3XXX VS3XXX VM3XXX
Static Pressure Rating
250 psig
—
125 psig 125 psig
300 psi
(2068 kPa)
300 psi
(2068 kPa)
300 psi
(2068 kPa)
Sizes Available
5/8 in. O.D.,
SAE 45°
1/2 to 2 in. 2 to 24 in. 2 to 12 in. 1/2 to 1-1/4 in. 1/2 to 1-1/4 in. 1/2 to 1-1/4 in.
Range of Cv’s Available
2.2 or 4.4 5.4 to 47.0 75 to 10,000 45 to 2,600 1.0 to 7.0 1.0 to 7.0 1.0 to 8.0
Flow Type
Sequencing Equal %
Mixing or
Diverting
Mixing or
Diverting
Mixing or
Diverting
Mixing or
Diverting
1.0-4.0 Cv:
Equal % Mixing
8.0 Cv: Mixing
or Diverting
b
b
For use with non-spring return modulating actuators only (AT33XXXX, AP33XXXX)
PNEUMATIC ACTUATORS
c
c
Optional inputs available to pneumatic are: SPST, SPDT, slidewire (Series 90), TAC System 8000 (voltage input 2 to 15 Vdc), current input 4 to 20 mA.
These options are shown with the specific valve selected.
Pages
70 to 76 108 to 112 108 to 112
———
ELECTRIC/ ELECTRONIC ACTUATORS
Input Signals
Pages
Two-Position (SPST)
(Spring Return)
—
104 to 107
——
113 to 118 113 to 118
—
Two-Position (SPDT Snap Acting)
(Non-Spring Return)
—
104 to 107 108 to 112 108 to 112
———
TAC System 8000,
Voltage Input 2 to 15 Vdc
70 to 76
—
108 to 112 108 to 112
———
Slidewire (Series 90) — —
108 to 112 108 to 112
———
Current Input
4 to 20 mA etc.
—— ——
113 to 118
Floating Control, SPDT or Two
SPST, Direct Digital Control
—
104 to 107
——
113 to 118
Pneumatic —
—
——
—
Voltage input 0-10 /0-5/5-10 Vdc —
104 to 107
——
——
113 to 118