Flowserve E-Series Two-Piece - Manual (Page 3)

MMAIM2004 E-Series Two-Piece, Flanged-End Ball Valves 3
Table 1
Torque
Wrench Size Requirement
Valve (Across Flats) (Ft.-Lbs.)
6" Class 1 1 /
4
" 263
150 ERP1
6" Class 1 7 /
16
" 424
300 ERP3
8" Class 1 1 /
16
" 148
150 ERP1
8" Class 1 1 /
4
" 263
300 ERP3
10" Class 1 7 /
16
" 424
150 ERP1
10" Class 1 1 /
4
" 263
300 ERP3
12" Class 1 7 /
16
" 424
150 ERP1
Table 3 Stem Nut
Torques (lb-ft) Number of Seals
SIZE TORQUE UPPER LOWER
2" 10 1 2
3" & 4" 15 3 3
6" 20 3 3
8" 20* 3 3
10" 25* 3 3
12" 25* 3 3
* Graphite stem seals should be compressed to 85% of their original height. Torques
should be applied after the seals have been compressed.
Table 2
Torque
Wrench Size Requirement
Valve (Across Flats) (Ft.-Lbs.)
2" Class 5 /
8
" 32
150 EFP1
2" Class 7 /
8
" 74
300 EFP3
3" Class 15 /
16
" 107
150 EFP1
3" Class 1 1 /
16
" 148
300 EFP3
4" Class 1 1 /
16
" 148
150 EFP1
4" Class 1 1 /
16
" 148
300 EFP3
6" Class 1 1 /
16
" 148
150 EFP1
6" Class 1 1 /
4
" 263
300 EFP3
8" Class 1 1 /
4
" 263
150 EFP1
8" Class 1 7 /
16
" 424
300 EFP3
10" Class 1 1 /
4
" 263
150 EFP1
10" Class 1 5 /
8
" 636
300 EFP3
12" Class 1 1 /
4
" 263
150 EFP1
12" Class 1 1 /
8
" 195
300 EFP3
Flow Control Division
McCANNA/MARPAC Valves