Owner manual
All information herein is proprietary and condential and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Resilient Seated Butterfly Valves – Seating & Unseating Torques
Torque : 10
Series 32/33, 35/36 Torques (Lb-Ins)
Valve
Size
inches
32, 35 - Max P = 75 psi 33, 36 - Max P = 150 psi
0 psi 25 psi 50 psi 75 psi 0 psi 50 psi 100 psi 150 psi
Class B
General Service
(Imperial)
24
6,700 8,100 9,500 10,900 10,500 15,000 19,500 24,000
26
7,900 9,800 11,700 13,600 12,400 18,400 24,400 30,400
28
9,200 11,600 14,000 16,400 14,200 21,700 29,200 36,700
30
10,400 13,300 16,200 19,100 16,100 25,100 34,100 43,100
32
11,700 15,600 19,400 23,300 18,400 29,700 41,100 52,400
34
13,500 18,500 23,500 28,500 20,950 34,750 48,600 62,400
36
14,300 20,100 25,900 31,700 23,000 39,000 55,000 71,000
40
18,200 26,200 34,100 42,000 24,300 46,300 68,300 90,300
42
20,200 29,200 38,200 47,200 25,000 50,000 75,000 100,000
44
20,800 32,500 44,200 55,800 26,700 56,700 86,700 118,300
48
22,000 39,000 56,000 73,000 30,000 70,000 110,000 150,000
Class C
54
41,500 73,500 105,500 138,000 56,300 131,000 173,000 282,000
60
55,500 98,200 141,000 184,800 75,100 174,500 208,000 376,000
66
115,700 159,400 203,200 247,000 161,500 277,500 393,400 509,400
72
Consult Factory
78
Consult Factory
84
Consult Factory
90
Consult Factory
96
Consult Factory
Series 32/33, 35/36 Torques (N-m)
Valve
Size
mm
32, 35, - Max P = 5 bar 33, 36 - Max P = 10.3 bar
0 bar 1.7 bar 3.4 bar 5.2 bar 0 bar 3.4 bar 7 bar 10.3 bar
Class B
General Service
(Metric)
600
757 915 1,074 1,232 1,187 1,695 2,204 2,712
650
893 1,107 1,322 1,537 1,401 2,079 2,757 3,435
700
1,040 1,311 1,582 1,853 1,605 2,452 3,300 4,147
750
1,175 1,503 1,831 2,158 1,819 2,836 3,853 4,870
800
1,322 1,763 2,192 2,633 2,079 3,356 4,644 5,921
850
1,526 2,091 2,656 3,221 2,367 3,927 5,492 7,051
900
1,616 2,271 2,927 3,582 2,599 4,407 6,215 8,023
1,000
2,057 2,961 3,853 4,746 2,746 5,232 7,718 10,204
1,050
2,283 3,300 4,317 5,334 2,825 5,650 8,475 11,300
1,100
2,350 3,673 4,995 6,305 3,017 6,407 9,797 13,368
1,200
2,486 4,407 6,328 8,249 3,390 7,910 12,430 16,950
Class C
1,400
4,689 8,304 11,920 15,592 6,361 14,801 19,546 31,862
1,500
6,271 11,095 15,931 20,880 8,485 19,716 23,501 42,482
1,650
13,072 18,010 22,959 27,907 18,247 31,353 44,448 57,555
1,800
Consult Factory
2,000
Consult Factory
2,200
Consult Factory
2,250
Consult Factory
2,400
Consult Factory