Valve Body Assembly Style "WA" FEATURES SPECIFICATIONS

Valve Body Assembly Style "WA" FEATURES SPECIFICATIONS
Sales Manual Section 170
PRODUCT SPECIFICATION "WA"
(For Control Valve Service)
Valve Body Assembly
Style "WA"
FEATURES
• Sizes 1/2" thru 1-1/2"
• Three-Way, Unbalanced for Mixing Service.
SPECIFICATIONS
End Connections:....................................... Screwed Unions.
Action: ...................................................................... 3-Way.
Flow Characteristics: ..................................Quick Opening.
Body Material: ..............................Brass, ASTM B 145-5A.
Unions: .................. Brass, ASTM B 145-5A. Trim Material:
Stem ................................................. 316 Stainless Steel.
Plug ................................................. 316 Stainless Steel.
Seat Ring ......................................... 316 Stainless Steel.
Stem Connection: ..............................Quick-disconnect Pin.
Packing: .........................................................Rubber U-cup.
Maximum Pressure Drop: ..........................75 psi (5.2 bar).
Valve Body Rating:
150 psi (10.3 bar) @ 400°F (204°C).
225 psi (15.5 bar) @ 100°F (38°C).
Available Actuators:
VC-230, 231 Diaphragm Actuators.
Valve Size
B-A
Cv
C-A
Valve Travel, In.(mm)
Unbalanced Area, Sq. In.(cm²)
1/2
4.2
3.1
3/16(4.7)
.26(1.68)
3/4
7.8
5.6
1/4(6.4)
.44(2.84)
1
1
11.1
8.8
5/16(7.9)
.79(5.10)
1 1/4
23.5
18.1
3/8(9.6)
1.23(7.94)
1 1/2
31.7
25.0
7/16(11.1)
1.77(11.4)
DIMENSIONS
Valve Size
Dimension A,In.(mm)
Dimension B,ln.(mm)
Dimension C,In.(mm)
Thread "T"(NPT) . .
Thread "G"(NPT)
1/2
1-9/16(40)
2-1/8(54)
4-3/4(121)
1/2-14
1/2-14
3/4
1-7/8(48)
2-7/16(62)
6-3/16(157)
3/4-14
3/4-14
1
1-7/8(48)
2-7/16(62)
6-1/4(159)
1-11 1/2
1-11 1/2
1 1/4
2-43/64(68)
3-15/64(82)
7-13/16(198)
1 1/4-11 1/2
1 1/4-11 1/2
1 1/2
3-1/16(78)
3-3/4(95)
8-11/16(221)
1 1/2-11 1/2
1 1/2-11 1/2
INSTALLATIONS
Figure 1. Showing how connections would be made where it is
desired to shift from heating service to cooling service by manually
opening and closing proper valve in the supply line.
Figure 2. Illustrating a simple means for mixing hot and cold water
where a rough mixing is suitable.
2
Q-4029 (3/97)
Printed in U.S.A.
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