Seating/unseating torques bray series 22/23 valves – Bray 31U User Manual
Page 11

All information herein is proprietary and confidential 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 : 11
Seating/Unseating Torques
Bray Series 22/23 Valves
Valve
Size
In
.
mm
∆P = 0-150 psi
∆P = 0-10.3 bar
Lb-In
N-m
2
50
288
33
2.5
65
350
40
3
80
560
63
4
100
720
81
5
125
960
108
6
150
1,300
147
8
200
2,402
271
10
250
3,840
434
12
300
5,812
657
14
350
8,000
904
16
400
11,000
1,243
18
450
15,500
1,751
20
500
19,300
2,181
24
600
30,500
3,446
1) Torques listed are for PTFE and UHMWPE trims.
2) All information based on full rated pressure differential.