Selection Guide

F-27490-4 © Copyright 2008 TAC. All rights reserved. 3
Valve Body and Actuator Selection
Table-1 TAC VB-72xx Series Two-Way Valve Bodies
Two-Way Valves
Stem Up Open or
Stem Up Closed
1/2” to 1/1/4” Union
Angle and
straightway
5/8” OD SAE Flared
1/2” to 2” Union
Sweat
1/2” to 2” NPT or Rp
Threaded
Application: Chilled or Hot Water Application: Hot Water or Steam
Union
Angle
Union
Straightway
SAE Flared
Union
Sweat
NPT Threaded
Rp Threaded
NPT Threaded
Size 1/2” to 1-1/4” 1/2” to 1-1/4” 5/8” OD 1/2” to 2”
1/2” to 2”
15 to 50 mm
1/2” to 2”
Valve Body Part Number,
Stem Up Open
VB-7211-0-3-P VB-7211-0-4-P VB-7212-0-4-P VB-7214-0-4-P
VB-7213-0-4-P
VB-7215-0-4-P
a
a
15 to 50 mm valves with metric thread Rp 1/2 to Rp 2
VB-7253-0-4-P VB-7273-0-4-P
Valve Body Part Number,
Stem Up Closed
VB-7221-0-4-P VB-7222-0-4-P VB-7224-0-4-P
VB-7223-0-4-P
VB-7225-0-4-P
a
VB-7263-0-4-P VB-7283-0-4-P
Flow Type Equal % Modified Linear
Material
Body Bronze Bronze
Seat Bronze Stainless Steel
Stem Stainless Steel Stainless Steel
Plug Brass Stainless Steel
Packing Spring Loaded TFE/EPDM Spring Loaded TFE
Disc EPDM Teflon None
Pressure Class ANSI 250 Up to 400°F (204°C) below 150°F (65°C) ISO PN16
Maximum Inlet Pressure,
Steam
35 PSIG (241 kPa)
100 PSIG
(690 kPa)
150 PSIG
(1034 kPa)
Allowable Control Media
Temperature
20°F to 281 °F (-7°C to 138°C)
20 to 340°F
(-7 to 171°C)
20 to 400°F
(-7 to 205°C
Allowable Differential
Pressure, Water
b
b
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
35 PSIG (241
kPa)
35 PSIG (241
kPa)
Allowable Differential
Pressure, Steam
b
20 PSI (138 kPa)
35 PSI
(241 kPa)
50 PSI
(345 kPa)
To Select a Port Code (P)
P Code Valve Size Cv (kvs) Rating
01
1/2”
(15 mm)
0.4 (0.34) 0.4 (0.34) 0.4 (0.34) 0.4 (0.34) 0.4 (0.34) 0.4 (0.34) 0.4 (0.34)
02 1.3 (1.1) 1.3 (1.1) 1.3 (1.1) 1.3 (1.1) 1.3 (1.1) 1.3 (1.1) 1.3 (1.1)
03 2.2 (1.9) 2.2 (1.9) 2.2 (1.9) 2.2 (1.9) 2.2 (1.9) 2.2 (1.9) 2.2 (1.9)
04 5.0 (4.3) 4.4 (3.8) 4.4 (3.8) 4.4 (3.8) 4.4 (3.8) 4.4 (3.8) 4.4 (3.8)
05
3/4” (20 mm)
5.5 (4.7) 5.5 (4.7) 5.5 (4.7) 5.5 (4.7) 5.5 (4.7) 5.5 (4.7)
06 8.5 (7.4) 7.5 (6.5) 7.5 (6.5) 7.5 (6.5) 7.5 (6.5) 7.5 (6.5)
07
1” (25 mm)
14 (12) 10 (8.6) 10 (8.6) 10 (8.6) 10 (8.6) 10 (8.6)
08 16 (14) 14 (12) 14 (12) 14 (12) 14 (12) 14 (12)
09 1-1/4” (32 mm) 22 (19) 20 (17.3) 20 (17.3) 20 (17.3) 20 (17.3) 20 (17.3)
10 1-1/2” (40 mm) 28 (21.2) 28 (21.2) 28 (21.2) 28 (21.2)
11 2” (50 mm) 40 (34.6) 40 (34.6) 40 (34.6) 40 (34.6)