Brochure

2-Way Globe Valves, Union End (1/2 to 1-1/4 in.) and Flared (1/2 & 5/8 in. O.D.)
with Electric, Hydraulic, and Pneumatic Actuators
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 13
TABLE 1. Select Valve Body including
P Code (Valve Size, Cv Rating, Port
Code) or select Valve Assembly with
correct Input Signal (refer to Table 4
also) less Actuator Code (XXX)
including the P Code (Size, Cv Rating,
Port Code). (Refer to Pages 172 to 179
for Valve Sizing.)
Application
Chilled or Hot Water 281°F Max; 35 psig Steam
Union, Angle
Union,
Straightway
SAE Flared
(Mating Nuts Not
Included)
Flared
Size 1/2 to 1-1/4 in. 1/2 to 1-1/4 in.
1/2 in. O.D.,
SAE Flare
5/8 in. O.D.,
SAE Flare
Normally Open Valves
Valve Body VB-7211-0-3-P VB-7211-0-4-P
VB-121-0-4-P
VB-7212-0-4-P
Valve Assembly 2-Position SPST
VA-7211-XXX-3-P VA-7211-XXX-4-P
VA-1219-0-4-P
VA-7212-XXX-4-P
Valve Assembly 2 to 15 Vdc Input, 4 to 20 mA
VS-7211-XXX-3-P
VS-72
11-XXX-4-P
VS-1219-0-4-P
VS-7212-XXX-4-P
Valve Assembly Pneumatic
VK-7211-XXX-3-P VK-7211-XXX-4-P
VK-1219-0-4-P
VK-7212-XXX-4-P
Non-Spring Return
(no normal position)
Valve Assembly Floating
VF-7211-XXX-3-P VF-7211-XXX-4-P
VF-1219-0-4-P
VF-7212-XXX-4
-P
V
alve Assembly Proportional 2 to 10 Vdc or 4 to 20
mA
VS-7211-XXX-3-P VS-7211-XXX-4-P
VS-1219-0-4-P
VS-7212-XXX-4-P
Normally Closed
Valves
Valve Body
⎯
VB-7221-0-4-P
⎯
VB-7222-0-4-P
Valve Assembly 2-Position SPST
⎯ VA-7221-XXX-4-P ⎯ VA-7222-XXX-4-P
Valve Assembly 2 to 15 Vdc Input, 4 to 20 mA
⎯ VS-7221-XXX-4-P ⎯ VS-7222-XXX-4-P
V
alve Assembly Pneumatic
⎯
VK-7221-XXX-4-P
⎯
VK-7222-XXX-4-P
NOTE: These charts are color coded as
shown below to assist valve selection.
Note it is possible to select either a valve
assembly or component parts (actuator,
valve linkage, valve body).
ORDERING EXAMPLES:
1. Valve Assembly . .
VA-7221-211-4-8
2. Valve Body . . . . . .
VB-7221-0-4-8
Actuator . . . . . . MA -5210
Linkage . . . . . . . .
 Valve Body Data less P Code (Size, Cv
Rating, Port Code) or Valve Assembly
less Actuator Code (XXX) and less P
Code (Size, Cv Rating, Port Code)
 P Code (Size, Cv Rating, Port Code)
 Actuator or Actuator Code (XXX) for
Valve Assemblies

Flow Type
Equal % (Refer to page 170)
Material
Body
Bronze Bronze Brass Bronze
Seat
Stem
Stainless Steel Stainless Steel Stainless Steel Stainless Steel
Plug
Brass Brass Brass Brass
Packing
Spring Loaded
TFE
Spring Loaded TFE PTFE Spring Loaded TFE
Disc
Composition Composition Composition
ANSI Pressure Class
a
(psig) Refer to page 169
a
CAUTION: Fittings and/or piping schedules must meet or exceed working static pressure requirements.
250 (up to 400 psig below 150°F) 250
Maximum Inlet
Pressure Steam
psig (kPa)
35 (241)
Allowable Control
Media Temp
b
b
CAUTION: Freeze protection required for fluid temperatures below 32°F (0°C). Avoid ice formation on stems. Do not use Hydraulic Actuators with fluid
temperatures below 40°F (4°C). Do not use MF-22203 actuator models in chilled water applications.
20 to 281°F
(-7 to 138°C)
Allowable Differential
Pressure for Water
psig (kPa)
35 psi (241) Max. for normal life
(Refer to page 172 for cavitation limits)
Allowable Differential
Pressure for Steam
20 psi (138 kPa)
TO SELECT A PORT CODE (P).
P Code
Valve Size
a
in.
Cv
c
c
Kvs = Cv X 0.865
-1
d
d
Factory assemblies are not available for two-position applications using reduced port valve bodies.
1/2 or
5/8
0.4 0.4 0.9 0.4
-2
c
1.3 1.3 1.4 1.3
-3
c
2.2 2.2 1.9 2.2
-4 5.0 4.4 — 4.4
-5
c
3/4
5.5 5.5
— ⎯
-6 8.5 7.5
-7
c
1
14 10
-8
c
16 14
-9 1-1/4 22 20
2-Way
Globe
Valves,
Union
End (1/2
to 1-1/4
in.) and
Flared
(1/2 &
5/8 in.
O.D.)
with
Electric,
Hydrauli
c, and
Pneumat
ic
Actuator
s
AV-7600-1
Valve Linkage