Flowserve BB 1 - Manual (Page 23)

23
Maintenance
– continued –
Torques [Nm]
– continued –
Do not use lubricant for fastening bolts.
Do not use lubricant for fastening bolts.
Item
DN
[mm]
Austenitic steel / Body D covered with hard rubber lining or plastic coating
BB 2... BB 22... BB 24... BB 25... BB 26...
L
50 7.5 7.5 7.5 7.5 7.5
200 7.5 7.5 7.5 7.5 7.5
250 5 5 5 5 5
300 5 5 5 5 5
350 26 26 26 26 26
400 42 42 42 42 42
Item
DN
[mm]
Bronze / Body D covered with hard rubber lining or plastic coating
BB 2... BB 22... BB 24... BB 25... BB 26...
L
50 8 8 8 8 8
200 8 8 8 8 8
250 7 7 7 7 7
300 7 7 7 7 7
350 28 28 28 28 28
400 47 47 47 47 47