User Guide

2 © Copyright 2008 TAC All Rights Reserved. F-24394-2
SPECIFICATIONS
Table-1 Specifications/Models.
Close-off Pressure Rating
The close-off pressure rating is dependent on the size of the valve, valve linkage, and
actuator. Consult the TAC Valve Products Catalog, F-27384, for close-off ratings.
Specifications
Valve Body Series
VB-7314-0-4-P
Service Chilled or Hot Water
Flow Characteristics (Figure-1) Mixing
Sizes 1/2" to 2"
Type of End Fitting Union Sweat, Solder Joint
Valve
Materials
Body Bronze
Seat Bronze
Stem Stainless Steel
Plug Brass
Packing Spring-loaded TFE
Disc None
ANSI Pressure Class of Body (Figure-2) 250 (up to 400 psig below 150°F)
a
Maximum Inlet Pressure, Steam 35 psig (241 kPa)
Allowable Control Media Temperature 20 to 281°F (-7 to 138°C)
Allowable Differential Pressure for Water
b
35 psi (241 kPa) Max. for Normal Life
(refer to “Cavitation Limitations on Valve
Pressure Drop” on page 6)
Valve Size C
v
Rating k
vs
Rating
c
Complete Valve Body Part Number
1/2"
2.2 1.9 VB-7314-0-4-2
4.4 3.8 VB-7314-0-4-4
3/4" 7.5 6.5 VB-7314-0-4-6
1" 14 12 VB-7314-0-4-8
1-1/4" 20 17 VB-7314-0-4-9
1-1/2" 28 24 VB-7314-0-4-10
2" 41 35 VB-7314-0-4-11
a
Do not apply above pressure rating to piping system.
b
Maximum recommended differential pressure. Do not exceed recommended differential pressure (pressure
drop) or integrity of parts may be affected. Exceeding maximum recommended differential pressure voids
product warranty.
c
k
vs
= m
3
/h (ΔP = 100 kPa) C
v
= k
vs
x 1.156