IOM/UP_METRIC Issue Date: 31/12/2007
Page 43 of 66
Last Revision: 12/06/2012
JOINT FLANGE
TIGHTENING TORQUES AND SEQUENCE
Stud and Nut use in this main joint flange of UP pumps should be tightened to the
torques stated in table 1 and in the sequence stated in Fig.
STUD SIZE
TIGHTENING TORQUES
M12
M16
M20
M24
250Kg-CM
650Kg-CM
1270Kg-CM
2200Kg-CM
2.
Tightening sequence.
2.1 Tighten the four corner stud marked ‘X’ 1, 2, 3, and 4
2.2 Work outward along shaft axis towards the stuffing boxes in opposite quarters
tightening nut in regions 5, 6, 7 and 8.
2.3
Work outwards along the branch and in opposite quarters tightening nuts in regions
9, 10, 11, and 12.
2.4 Repeat the whole sequence.
Sleeve Location
Summary of Contents for 8 UP 200/38
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