Combustion Catalog | Fives North American

Capacity & Dimensions | Butterfly Valves

Cfh (m3/h) 70° open at 1"w.c. (2.5 mbar) pressure drop 70° (21.1C) 10"w.c. upstream pressure

scfh wide open at 1"w.c. DP of air

Imperial (Metric) Valve designation 1122A-0 (M1122A-0) 1122A-1 (M1122A-1) 1122A-2 (M1122A-2) 1122A-3 (M1122A-3) 1122A-4 (M1122A-4)

Pipe Size

air

natural gas

C V (K V )

3/4"

255 (7.2) 680 (19.2) 1130 (32.0) 1450 (41.0) 2900 (82.1)

329 (9.3) 878 (24.8) 1459 (41.3) 1872 (53.0) 3744 (106.0)

500 940

5.9 (5.1)

1"

15.6 (13.4)

11/4" 11/2"

1900 2800 5320

26 (22.4) 33 (28.4) 66 (56.8)

2"

1122A-5 1122A-6 1122A-7 1122A-8

21/2"

4570 (129.3) 7560 (214.0)

5900 (167.0) 9760 (276.2)

8350

105 (90.3

3" 3" 6"

14 500 29 100 78 100

173 (148.8) 348 (299.3) 1050 (903)

15 200 (430.2) 45 800 (1296.3)

19 623 (555.4) 59 128 (1673.5)

F

DIMENSIONS INCHES (MM)

E

D

3

B

A

C

dimensions in inches (mm)

Imperial (Metric) Valve designation

wt. lb (kg)

A

B

C

D

E

F

1122A-0 M1122A-0 1122A-1 M1122A-1 1122A-2 M1122-A-2 1122A-3 M1122A-3 1122A-4 M1122A-4

3/4" NPT ISO7-Rp 3/4 1" NPT ISO7-Rp 1 11/4" NPT ISO7-Rp 11/4 11/2" NPT ISO7-Rp 11/2 2" NPT ISO7-Rp 2

21/4 (57) 21/4 (57) 21/4 (57) 21/2 (64) 3 (76)

21/2 (64) 21/2 (64) 21/2 (64) 25/8 (67) 3 (76)

3 (76) 3 (76) 3 (76) 3 (76) 37/16 (87)

11/8 (29) 11/8 (29) 11/8 (29) 11/4 (32) 11/2 (38)

45/16 (109) 45/16 (109) 45/16 (109) 41/2 (114) 51/16 (129)

11/2 (0.7) 11/2 (0.7) 11/2 (0.7) 13/4 (0.8) 2 (0.9)

1122A-5 1122A-6 1122A-7 1122A-8

21/2" NPT 313/16 (97)

31/2 (89) 37/8 (99) 41/2 (114) 51/8 (130)

33/4 (95)

2 (51)

53/4 (146) 69/16 (167) 75/8 (194) 93/4 (2480

31/4 (1.5) 5 (2.3) 7 (3.2) 11 (5.0)

3" NPT 4" NPT 6" NPT

41/2 (114) 55/8 (143) 73/4 (197)

41/16 (103) 45/8 (117) 53/4 (146)

21/2 (64)

3 (76)

4 (102)

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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