158
REV
AL 182
EN
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR
|
MAINTENANCE AND FUNCTIONAL CHECKS
|
REV. 00
9.4.1.8 - TIGHTENING TORQUES OF THE HB/97 SLAM-SHUT VALVE WITH LINE OFF 2.0
89
33
32
67
27
81
9
11
89
33
9
32
27
67
81
86
11
4”
6”÷10”
Fig. 9.61. Slam-shut valve tightening torques HB/97
HB/97 DN 4”
Pos.
Description
Torque (nm)
Torque (ft - lb)
9
Locking nut M12X1.25
35
25
11
M12X1.25 balancing piston guide
35
25
27
Screw M10X40 UNI 5737
45
33
33
Nut M12X1.25 UNI 5589
35
25
67
Nut M12 UNI 5588
80
59
81
Screw M8X16 UNI 5931
20
14
87
Screw M6X16 UNI 5931
10
7
Tab. 9.133.
HB/97 DN 6”
Pos.
Description
Torque (nm)
Torque (ft - lb)
9
Locking nut M24X1.5
110
81
11
M18X1.5 balancing piston guide
110
81
27
Screw M14X50 UNI 5737
115
84
33
Nut M18X1.5 UNI 5589
110
81
67
Nut M16 UNI 5588
200
147
81
Screw M8X20 UNI 5931
20
14
86
Screw M6X25 UNI 5931
10
7
89
Screw M6X16 UNI 5931
10
7
Tab. 9.134.
HB/97 DN 8”
Содержание REVAL 182
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