Brochure

2-Way Butterfly Valves, Flangeless (2 to 24 in.) with Electric Gear Train and
Pneumatic Actuators
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 59
TABLE 1. Select Valve Assembly with
correct Input Signal (refer to Table 3, Table
3A and Table 3B also) less Actuator Code
(XXX) including the P Code (Size, Cv
Rating, Port Code). (Refer to Pages 172 to
179 for Valve Sizing.)
Application
Chilled or Hot Water
35 psig Steam 15 psig Steam
Flangeless Wafer
a
a
Flangeless wafer with four alignment holes for mounting between two 125/150 ASA flanges.
2 in. -6 in. Lug
8 in. -12 in. Wafer
Size 2 to 24 in. 2 to 12 in.
Actuator Normal Position Input Signal Valve Assemblies
MC-431 None SPDT VC-6064-113-2-P VC-6164-113-2-P
MK4-7121
Normally Open or Closed;
specify when ordered
Pneumatic VK-6064-221-2-P VK-6164-221-2-P
MK4-7121 and MK-7121 Pneumatic VK-6064-321-2-P VK-6164-321-2-P
MP-485 None
Electric (Refer to Table 3B)
VP-6064-103-2-P VP-6164-103-2-P
MP-9750 None VP-6065-906-2-P VP-6165-90
6-2-P
MP-9810 None VP-6065-908-2-P VP-6165-908-2-P
MP-4851 None Electric (Refer to Table 3B)
VP-6064-442-2-P
VP-6065-442-2-P
VP-6164-442-2-P
VP-6165-442-2-P
NOTE: These charts are color coded as
shown below to assist valve selection. Note
it is only possible to select a valve assembly.
ORDERING EXAMPLES:
1. Valve Assembly:
VK-6164-321-2-16
 Valve Assembly
less Actuator Code (XXX) and less P Code
(Size, Cv Rating, Port Code)
 P Code (Size, Cv Rating, Port Code)
 Actuator Code (XXX) for
Valve Assemblies
Flow Type
Equal % Equal %
Material
Body
Iron Iron
Seat
1.5 to 3% Leakage
EPDM (EPT) Rubber
Liner
Stem
Stainless Steel Stainless Steel
Packing
Graphited Teflon “O” Ring
Disc
Iron
Aluminum
Bronze
STEAM
Pressure psig (kPa)
Static
150 (1034) 150 (1034)
Inlet
35 (241) 15 (103)
Recom. Diff
Refer to Table 2
Fluid Temp.
°F (°C) Max.
281 (138) 275 (135)
WATER
Pressure psig (kPa)
Static
150 (1034) 150 (1034)
Recom. Diff.
Refer to Table 2
Fluid Temp.
°F (°C)
b
b
CAUTION: Freeze protection required for fluid temperatures below 32°F (0°C).
Min.
-10 (-23) -10 (-23)
Max.
350 (177) 250 (121)
TO SELECT A PORT CODE (P).
P Code
Valve Size in.
c
c
CAUTION: Fittings and/or pipe schedules must meet or exceed working static pressure requirements.
Cv
d
d
Based on 60° opening for optimum control characteristics.
-11 2 54 47
-12 2-1/2 95 80
-13 3 155 136
-14 4 275 249
-15 5 435 404
-16 6 630 597
-17
8
1115 1200
-18
10
1740 1890
-19
12
2515 2860
-20
14
3013 —
-21
16
4000 —
-22
18
5125 —
-23 20 6390 —
-24 24 9350 —
2-Way
Butterfly
Valves,
Flangele
ss (2 to
24 in.)
with
Electric
Gear
Train
and
Pneumat
ic
Actuator