Mccanna/marpac valves – Flowserve E-Series Two-Piece User 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