Trunnion Ball Valve Torque Value (Soft Seated)

Size

Inch

Torque N.m
Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500
2 76 91 143 231 349 798
3 121 159 269 524 887 1583
4 179 355 670 875 1351 2111
6 631 854 1609 1927 3512 5454
8 987 1562 2501 4012 6513 8495
10 1321 2304 3450 5017 7996 13148
12 1650 3041 4507 6512 10078 18007
14 1807 2415 4019 6578 9485 14860
16 3314 5350 9025 12877 21857 -
18 5148 8375 13493 18975 29032 -
20 6425 10987 18502 26048 40907 -
24 12379 19384 29546 42379 65223 -

 

Notes:

1. The able torque value is for trunnion mounted ball valves, side entry structure.

2. The torque is for valves with PTFE seat or Nylon seat.

3. The torque value showed in above table is for valve at normal temperature.

 

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