Brochure

3-Way Mixing and Sequencing Globe Valves, Flared (5/8 in. O.D.) with
Electric, Hydraulic, and Pneumatic Actuators
70
© Copyright 2006 TAC. All Rights Reserved. F-27414-1
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 3 and Table 3A 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
Flared Flared Flared
Size
1/2 in. O.D. Tube
SAE Flare
5/8 in. O.D.,
SAE Flare
5/8 in. O.D.,
SAE Flare
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).
Valve Body VB-324-0-5-4VB-7312-0-4-P VB-7332-0-4-P
Valve Assembly Floating SPDT
VF-3249-2XX-5-4 VF-7312-XXX-4-P ⎯
Valve Assembly Pneumatic Input
VK-3249-2XX-5-4 VK-7312-XXX-4-P VK-7332-XXX-4-P
Valve Assembly 2 to 15 Vdc TAC System
8000 Input. 4 to 20 mA. 0 to 10 mA
VS-3249-2XX-5-4 VS-7312-XXX-4-P VS-7332-XXX-
4-P
V
alve Assembly Two-Position SPST
VA-3249-2XX-5-4 VA-7312-XXX-4-P ⎯
1. Valve Assembly . . VS-7312-211-4-2
2. Valve Body . . . . . VB-7312-0-4-2
Actuator . . . . . . . MP-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
3-Way Mixing, Top
Port Normally
Closed,
Bottom Port
Normally Open
Mixing Sequencing
Material
Body
Brass Bronze Bronze
Seat
Brass Bronze Bronze
Stem
Stainless Steel Stainless Steel Stainless Steel
Plug
Brass Brass Brass
Packing
PTFE Spring Loaded TFE Spring Loaded TFE
Disc
None None None
ANSI Pressure Class (psig)
a
a
CAUTION: Fittings and/or pipe schedules must meet or exceed working static pressure requirements.
250 (Refer to page 169)
Allowable Control Media
Temp
b
b
CAUTION: Freeze protection required for temperatures below 32°F (0°C). Avoid ice formation on stems. With fluid temperatures below 40°F (4°C) use
AV-601 with hydraulic actuators for thermal isolation.
20 to 281°F
(-7 to 138°C)
20 to 281°F
(-7 to 138°C)
Allowable Differential
Pressure for Water
psig (kPa)
c
c
Less than 20 psi recommended for quiet service.
35 psi (241) max. for normal life
(See page 172 for cavitation limits)
TO SELECT A PORT CODE (P).
P Code
Valve Size
in.
d
d
Factory assemblies are not available for two-position applications using reduced port valve bodies.
Cv
e
e
CAUTION: When valves are in series at both ends of the coil as shown in the four-pipe diagram, the C
v
of the combination is less than that of a single
valve. See piping diagram chart for flow calculations.
-2
d
1/2 or 5/8
—2.2—
-3 ——2.2
-4 1.5 4.4 4.4
3-Way
Mixing
and
Sequenc
ing
Globe
Valves,
Flared
(5/8 in.
O.D.)
with
Electric,
Hydrauli
c, and
Pneumat
ic
Actuator
s
AV-7600-1
Valve Linkage