Brochure

2-Way Ball Valves, Screwed (1/2 to 2 in.) with TAC DuraDrive™ Actuators
54
© 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
Linked Valve Assembly with correct Input Signal (refer to Table 2 and Table 3 also) less
Actuator Code (XXX) including the P Code (Size, Cv Rating, Port Code). (Refer to
Pages 172 to 179 for Valve Sizing.)
Application
Hot Water 250°F Max.
15 psig (103 kPa) Steam
Screwed NPT
Size 1/2 to 2 in.
Normally Open Valves
Valve Body
VB-2253-0-8-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 body with linkage).
1. Valve Assembly: VB-2253-505-8-P
2. Valve Body: VB-2253-0-8-P
Actuator: MF40-6043
 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 Percentage
Material
Body Bronze (ASTM B584-C8440)
Ball 316 Stainless Steel
Seat Multifill Teflon
Stem 316 Stainless Steel
Shaft 316 Stainless Steel
Packing Multifill Teflon
Maximum Working Pressure
a
a
Maximum water pressure. Refer to actuator specifications for pressure-temperature ratings.
600 psig (4137 kPa)
Seat Leakage ANSI Class IV (.01%)
STEAM
Inlet Pressure 15 psig (103 kPa)
Fluid Temperature — Maximum 250°F (121°C)
WATER
Fluid Temperature
Minimum 20°F (-7°C)
Maximum 250°F (121°C)
TO SELECT A PORT CODE (P).
P Code Valve Size in.
Cv
b
b
k
vs
= m
3
/h (ΔP = 100 kPa) k
vs
= C
v
/ 1.158 C
v
= k
vs
x 1.156
Kvs
b
20
1/2
10.9
22 21.7
24 43.5
26 15 13.0
44
3/4
30 26.0
46 51 44.1
54
1
43 37.2
56 68 58.8
64 1-1/4 48 41.5
74
1-1/2
84 72.7
76 177 153
86 2 108 93
2-Way
Ball
Valves,
Screwed
(1/2 to 2
in.) with
TAC
DuraDriv
e™
Actuator
s
Valve Linkage