Brochure

Linked 2-Way Globe Valves, Screwed (15 to 50 mm), Union Straightway with
TAC DuraDrive™ Actuators
136
© 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 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 138
°C
Maximum 240 kPa (2.4 Bar) Steam
Internal Parallel Pipe Thread
per ISO 7/1, BS 21, JIS B0203
Size 15 to 50 mm
Valve Body (stem down to close) Actuator Provides Normal Position VB-7215-0-4-P
Valve Body (stem open to close) Actuator Provides Normal Position VB-7225-0-4-P
Normal Position Actuator Series Input Signal
N.O. or N.C.
MA40-704X, MA40-707X, MA40-715X SPST
VA-7215-XXX-4-P
VA-7225-XXX-4-P
MS40-6043, MS40-6083, MS40-6153, MS40-7043,
MS40-7073, MS40-7153, MS40-717X
2 to 10 Vdc
VS-7215-XXX-4-P
VS-7225-XXX-4-P
MF40-6043, MF40-6083, MF40-6153, MF40-7043,
MF40-7073, MF40-7153, MF40-717X
Floating SPDT
VF-7215-XXX-4-P
VF-7225-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).
1. Valve Assembly: VS-7215-505-5-10
2. Valve Body: VB-7215-0-5-10
Actuator: MF40-6043
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
Seat Bronze
Stem Stainless Steel
Plug Brass
Packing Spring Loaded TFE
Disc Composition
ANSI Pressure Class (psig)
Refer to page 169
PN16 (16 Bar)
Maximum Inlet Pressure Steam
psig (kPa)
35 (241)
Allowable Control
Media Temp
a
a
CAUTION: Freeze protection required for fluid temperatures below 32°F (0°C). Avoid ice formation on stems.
20 to 281°F (-7 to 138°C)
Allowable Differential Pressure for Water psig (kPa)
b
b
Less than 20 psi recommended for quieter service.
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 mm. Kvs
-1
c
c
Factory assemblies are not available for two-position applications using reduced port valve bodies.
15
.25
-2
c
.94
-3
c
1.64
-4
3.28
-5
c
20
4.15
-6
5.61
-7
c
25
7.51
-8
10.36
-9 32
14.68
-10 40
20.72
-11
50
30.22
Linked
2-Way
Globe
Valves,
Screwed
(15 to 50
mm),
Union
Straight
way with
TAC
DuraDriv
e™
Actuator
s
AV-604
Valve Linkage