Selection Guide

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Table-2 TAC VB-73xx Series Three-Way Valve Bodies
Three-Way
Valves
• Mixing or Diverting
• 5/8” OD SAE Flared
• 1/2” to 2” NPT or Rp
Threaded
• 1/2” to 2” Union
Sweat
Application: Chilled or Hot Water
SAE Flared
NPT Threaded
Rp Threaded
Union
Sweat
NPT Threaded
Size 5/8” OD
1/2” to 2”
15 to 50 mm
1/2” to 2” 1/2” to 2”
Valve Body Part Number,
Mixing
a
a
On VB-7313 and VB-7315 mixing valves, port AB is the common port (located on the side) and ports A and B are inlets.
Flow is from B to AB when the valve stem is in up position (port A closed). Flow is from A to AB when valve stem is in
down position (port B closed).
VB-7312-0-4-P
VB-7313-0-4-P
VB-7315-0-4-P
b
b
15 to 50 mm valves with metric thread Rp 1/2 to Rp 2
VB-7314-0-4-P —
Valve Body, Part Number
Diverting
c
c
On VB-7323 diverting valves, inlet port B is the common port (located on the bottom) and ports AB and B are outlets.
When the valve stem is in the up position, flow is from B to AB (port A closed). When the valve stem is in the down
position, flow is from port B to A (port AB closed).
— — — VB-7323-0-4-P
Flow Type Equal %
Material
Body Bronze
Seat Bronze
Stem Stainless Steel
Plug Brass
Packing Spring Loaded TFE/EPDM
Disc None
Pressure Class ANSI 250 Up to 400°F (204°C) below 150°F (65°C) ISO PN16
Allowable Control Media
Temperature
20°F to 281 °F (-7°C to 138°C)
Allowable Differential
Pressure, Water
d
d
Maximum recommended differential in full open position. Do not exceed recommended differential pressure (pressure
drop) or integrity of parts may be affected.
35 PSI (241 kPa) for Normal Life
To Select a Port Code (P)
P Code Valve Size Cv (kvs) Rating
02
1/2”
(15 mm)
2.2 (1.9) 2.2 (1.9) 2.2 (1.9) —
04 4.4 (3.8) 4.4 (3.8) 4.4 (3.8) 4.4 (3.8)
06
1” (25 mm
— 7.5 (6.5) 7.5 (6.5) 7.5 (6.5)
08 — 14 (12) 14 (12) 15 (13)
09 1-1/4” (32 mm) — 20 (17.3) 20 (17.3 20 (17.3)
10 1-1/2” (40 mm) — 28 (21.2) 28 (21.2) 28 (21.2)
11 2” (50 mm) — 41 (36) 40 (34.6) 40 (34.6)