Brochure

2-Way Globe Valves, Screwed End (15 to 80 mm) with Electric Gear Train
Actuators
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 129
TABLE 1. Select Valve Body
including P Code (Valve Size,
k
vs
Rating, Port Code).
Application
Chilled or Hot Water 138°C
Maximum 240 kPa (2.4 Bar)
Steam
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
Internal Parallel Pipe Thread
per ISO 7/1, BS 21,
JIS B0203
NOTE: These charts are color coded
as shown below to assist valve
selection.
ORDERING EXAMPLES:
Valve Body: VB-7215-0-4-11
Actuator: MP-361
Linkage:
Valve Body Data less P Code (Size,
k
vs
Rating, Port Code)
Actuator or Actuator Code (XXX) for
Valve Assemblies
P Code (Size,
k
vs
Rating,
Port Code)
Size
15 to 50 mm 65 to 80 mm
Valve Body VB-7215-0-4-P VB-7225-0-4-P VB-9215-0-4-P VB-9225-0-4-P
Action
Stem Up
Open
Stem Up
Closed
Stem Up
Open
Stem Up
Closed
Flow Type
Equal % (Refer to page 170)
Material
Body
Bronze
Seat
Stem
Stainless Steel
Plug
Brass
Packing
Spring Loaded TFE
Disc
Composition
Pressure Class (PN) PN16 (16 Bar)
Maximum Inlet Pressure Steam
kPa (Bar)
240 (2.4)
Allowable Control Media Temp
a
a
CAUTION: Freeze protection required for fluid temperatures below (0°C). Avoid ice formation on stems.
-7 to 138°C
Allowable Differential
Pressure for Water (kPa)
b
b
Less than 140 kpa recommended for quiet service.
241 max. for normal life
(Refer to page 172 for cavitation limits)
Allowable Differential
Pressure for Steam
137 kPa
TO SELECT A PORT CODE (P).
P Code
Valve Size in mm (R
p
)
c
c
R
p
= internal parallel pipe thread.
k
vs
d
d
k
vs
= m
3
/h (Δp = 100 kPa) C
v
= k
vs
x 1.156
-1
15 (1/2)
0.3
-2 1.1
-3 1.9
-4 3.8
-5
20 (3/4)
4.8
-6 6.5
-7
25 (1)
8.7
-8 12
-9
32 (1-1/4)
17
-10
40 (1-1/2)
24
-11
50 (2)
35
-12
65 (2-1/2)
—56
-13
80 (3)
—73
2-Way
Globe
Valves,
Screwed
End (15
to 80
mm)
with
Electric
Gear
Train
Actuator
s
AV-391
Valve Linkage