Brochure

3-Way Mixing and Diverting Globe Valves, Screwed End (15 to 80 mm) with
Pneumatic Actuators
146
© Copyright 2006 TAC. All Rights Reserved. F-27414-1
TABLE 1. Select Valve Body including P Code (Valve Size, k
vs
Rating, Port
Code).
Application
Chilled or Hot Water
138°C Maximum
Chilled or Hot Water
138°C Maximum
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-7315-0-4-11
Actuator: MK-6611
Linkage:
Positive Positioner:
AK-42309-500
 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 & 80 mm
Valve Body VB-7315-0-4-P VB-9315-0-4-P
Action
3-Way Mixing 3-Way Mixing
Flow Type
Mixing Mixing
Material Body
Bronze Bronze
Seat
Stem
Stainless Steel Stainless Steel
Plug
Brass Brass
Packing
Spring Loaded TFE Spring Loaded TFE
Disc
None None
Pressure Class (PN) PN16 (16 Bar)
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 -7 to 138°C
Allowable Differential Pressure for Water (kPa)
b
b
Less than 140 kpa recommended for quiet service.
240 max. for normal life
(Refer to page 172 for cavitation limits)
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
k
vs
d
-1
15 (1/2)
⎯⎯
-2 1.9
⎯
-3
⎯⎯
-4 3.8
⎯
-5
20 (3/4)
⎯⎯
-6 6.5
⎯
-7
25 (1)
⎯⎯
-8 12
⎯
-9 32 (1-1/4) 17
⎯
-10 40 (1-1/2) 24
⎯
-11 50 (2) 36
⎯
-12 65 (2-1/2)
⎯
58
-13 80 (3)
⎯
78
3-Way
Mixing
and
Divertin
g Globe
Valves,
Screwed
End (15
to 80
mm)
with
Pneumat
ic
Actuator
s
AV-430
Valve Linkage