Capacity & Dimensions | Butterfly Valves
cfh (m 3 /h) 70° open at 1"w.c.(2.5mbar) pressure drop 70°F (21.1C) 10"w.c. upstream pressure
scfh wide open at 1"w.c. DP of air
1122A-0 (M1122A-0) 1122A-1 (M1122A-1) 1122A-2 (M1122A-2) 1122A-3 (M1122A-3) 1122A-4 (M1122A-4) Imperial (Metric) Valve designation
pipe size
natural gas
Cv (Kv)
air
¾ "
255 (7.2)
329 (9.3)
500 940
5.9 (5.1)
1"
680 (19.2) 1130 (32.0) 1450 (41.0) 2900 (82.1) 4570 (129.3) 7560 (214.0)
878 (24.8) 1459 (41.3) 1872 (53.0) 3744 (106.0) 5900 (167.0) 9760 (276.2) 19 623 (555.4) 59 128 (1673.5)
15.6 (13.4) 26 (22.4) 33 (28.4) 66 (56.8)
1 ¼ " 1 ½ "
1900 2800 5320
2"
1122A-5 1122A-6 1122A-7 1122A-8
2 ½ "
8350
105 (90.3) 173 (148.8) 348 (299.3) 1050 (903)
3" 4" 6"
14 500 29 100 78 100
15 200 (430.2) 45 800 (1296.3)
DIMENSIONS INCHES (MM)
F
E
D
3
B
A
C
dimensions in inches (mm)
wt.
Valve designation Imperial (Metric)
A
B
C
D
E
F
lb (kg)
1122A-0 M1122A-0
¾ " NPT
2 ¼
2 ½
3
1 1⁄8
4 5⁄16
1 ½
ISO7-Rp ¾
(57)
(64)
(76)
(29)
(109)
(0.7)
1122A-1
1" NPT
2 ¼
2 ½
3
1 1⁄8
4 5⁄16
1 ½
M1122A-1
ISO7-Rp 1
(57)
(64)
(76)
(29)
(109)
(0.7)
1122A-2
1¼" NPT
2 ¼
2 ½
3
1 1⁄8
4 5⁄16
1 ½
M1122A-2
ISO7-Rp 1¼
(57)
(64)
(76)
(29)
(109)
(0.7)
1122A-3
1½" NPT
2 ½
2 5⁄8
3
1 ¼
4 ½
1 ¾
M1122A-3
ISO7-Rp 1½
(64)
(67)
(76) 3 7⁄16 (87) 3 ¾ (95)
(32)
(114)
(0.8)
1122A-4
2" NPT
3
3
1 ½
5 1⁄16
2
M1122A-4
ISO7-Rp 2
(76)
(76)
(38)
(129)
(0.9)
2½" NPT
3 13⁄16 (97)
3 ½
2
5 ¾
3 ¼
1122A-5
(89)
(51)
(146) 6 9⁄16 (167)
(1.5)
3" NPT
4 ½
3 7⁄8
4 1⁄16
2 ½
5
1122A-6
(114)
(99)
(103)
(64)
(2.3)
4" NPT
5 5⁄8
4 ½
4 5⁄8
3
7 5⁄8
7
1122A-7
(143)
(114)
(117)
(76)
(194)
(3.2)
6" NPT
7 ¾
5 1⁄8
5 ¾
4
9 ¾
11
1122A-8
(197)
(130)
(146)
(102)
(248)
(5.0)
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL .
Bulletin 1122 Page 3
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