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213F-27855-10
10. Butterfly Valve Assemblies
2"…4" Lug Bodies 3-Way SR
N.O. Assemblies
Butterfly Valves
Three-Way Spring Return Rubber Lined
161
2 to 4 in. Lug Bodies
Three-Way Spring Return
Normally Open
Flow Type
Equal % linear bidirectional.
Mixing or diverting configurations.
Material
Body
Seat
Stem
Stem Seals
Disc
Polyester coated cast iron, ASTM A126 Class B lug.
Mates with ANSI 125/150 flanges.
EPDM tongue and groove seat and molded O-ring
flange seal. Peroxide cured.
Stainless steel double D stem.
Self adjusting double U cup.
Ductile iron nylon 11 coated disc.
Fluid Temperatures -40 to 250°F (-40 to 121°C).
Close-Off Rating ANSI VI Bubble tight.
Application Chilled or hot water up to 60% glycol.
Size
in.
Cv
(K
vs
)
@ 90°
Close-Off
Pressure
psi (kPa)
Two Position
a
a
Select 7 or 8 for the “x”.
8 = Actuator is mounted on the main valve at “A” and is NO.
7 = Actuator is mounted on the main valve at “B” and is NO.
The linked valve for 7 and 8 is “C”.
C = Configurable option at time of ordering in iPortal.
Floating
a
Proportional
a
Voltage
Vac
2 144 (125) 175 (1207) VAF-631x-556-L-11 VFF-631x-556-L-11 VSF-631x-556-L-11 24
2.5 282 (244) 175 (1207) VAF-631x-556D-L-12 VFF-631x-556D-L-12 VSF-631x-556D-L-12 24
3 461 (399) 175 (1207) VAF-631x-556D-L-13 VFF-631x-556D-L-13 VSF-631x-556D-L-13 24
4 841 (727) 50 (345) VAU-631x-556D-L-14 VFU-631x-556D-L-14 VSU-631x-556D-L-14 24
Actuator Code Table.
Actuator
Codes
Model
Prefix
a
a
For optional two SPDT auxiliary switch models the letter “S” must be added to the model prefix field. EX: VxxS
Actuator Model Description
Wiring
Dimension
Information
Page Figure Page Figure
556
b
b
D = Dual mounting.
VAxx MA41-7153 24 Vac, on/off, SR 332 12 380 107
556
bc
c
Dual mounted application. One Mx41-7153 and one Mx41-7153-502 are supplied.
VAxS MA41-7153-502
24 Vac, on/off, SR, 2 SPDT aux
switches
332
336
12
22
380 107
556
b
VFxx MF41-7153 24 Vac, Floating, SR 335 to 337 21 to 24 380 107
556
bc
VFxS MF41-7153-502
24 Vac, Floating, SR, 2 SPDT
aux switches
335 to 337 21 to 24 380 107
556
b
VSxx MS41-7153 24 vac, Modulating, SR 349 to 350 55 to 57 380 107
556
bc
VSxS MS41-7153-502
24 Vac, on/off, SR, 2 SPDT aux
switches
336
349 to 350
22
55 to 57
380 107
Butterfl
y Valves
Three-
Way
Spring
Return
Rubberli
ned
AB
C
Vxxx-631x-556x-L-xx
Butterfly Valves
F-27411-3 © Copyright 2007 TAC. All Rights Reserved
10. Butterfly Valve Assemblies