Owner manual

All information herein is proprietary and condential 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.