Brochure

2-Way Globe Valves, Screwed End (15 to 80 mm) with Pneumatic Actuators
F-27414-1 © Copyright 2006 TAC. All Rights Reserved 121
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-9215-0-4-12
Actuator: MK-6801
Linkage:
Positive Positioner:
AK-42309-500
 Valve Body Data less P Code (Size,
k
vs
Rating, Port Code)
 Actuator
 P Code (Size, k
vs
Rating, Port Code)

Size
15 to 50 mm 65 & 80 mm
Valve Body VB-7215-0-4-P VB-7225-0-4-P VB-9215-0-4-P
Stem Up
Open
Action
Stem Up
Open
Stem Up
Closed
Flow Type
Equal % (Refer to 170)
Material
Body
Bronze Bronze
Seat
Stem
Stainless Steel Stainless Steel
Plug
Brass Brass
Packing
Spring Loaded TFE Spring Loaded TFE
Disc
Composition 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 -4 to 138°C
Allowable Differential
Pressure for Water
psig (kPa)
240 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
)
b
b
R
p
= internal parallel pipe thread.
k
vs
c
c
k
vs
= m
3
/h (Δp = 100 kPa) C
v
= k
vs
x 1.156
k
vs
c
-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
Pneumat
ic
Actuator
s
AV-495
Valve Linkage