Brochure

3-Way Ball Valves, Screwed (1/2 to 2 in.) with TAC DuraDrive™ Actuators
104
© 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.
Valve Body
VB-2353-0-8-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 linkage, valve body).
1. Valve Assembly: VB-2253-505-8-P
2. Valve Body: VB-2253-0-8-P
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 Linear
Material
Body Bronze (ASTM B584-C8440)
Ball 316 Stainless Steel
Seat Multifill Teflon
Stem 316 Stainless Steel
Shaft 316 Stainless Steel
Packing Multifill Teflon and EPDM O-Ring
Maximum Working Pressure
a
a
Maximum water pressure. Refer to actuator specifications for pressure-temperature ratings.
400 psig (2758 kPa)
STEAM
Inlet Pressure
Fluid Temperature — Maximum —
WATER
Fluid Temperature
Minimum —
Maximum 20°F (-7°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
21 1/2 5.4 4.7
41 3/4 12.0 10.4
51
1
14.0 12.1
61
1-1/4
21.0 18.2
71 1-1/2 34.0 29.4
81
2
47.0 40.6
3-Way
Ball
Valves,
Screwed
(1/2 to 2
in.) with
TAC
DuraDriv
e™
Actuator
s
AV-606
Valve Linkage