Flowserve PA46 Manual de usuario Pagina 28

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Torques
Retrofitting  continued 
All torques indicated in the table are based at a room temperature of 20 °C.
Mounting the forkhead (hand lever for emergency operation)
1. Align and fit forkhead
T together with hexagonhead cap screw 4 to the pressure plate V. Tighten
the hexagonhead cap screw
2 with a torque of 20 Nm. Fig. 4
2. Fit hand lever for emergency operation
2, operate intermittent valve for removing boiler sludge.
3. Remove hand lever for emergency operation
2 immediately after operation.
Tools
Spanner A. F. 16 mm, DIN 3113, Form B
Spanner A. F. 17 mm, DIN 3113, Form B
Spanner A. F. 41 mm, DIN 3113, Form B
Torque spanner 20  120 Nm, ISO 6789
Item
Intermittent valves for removing boiler sludge Torques [Nm]
Y
MPA 46, MPA 47 120
4
MPA 46, MPA 47 20
W
PA 46, PA 47, MPA 46, MPA 47 20
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