Spirax Sarco FTC80, Инструкция по установке и обслуживанию

Страница: 13 / 24

IM-IBR16-32IN
Issue 1 13
Fig. 4 Strainer screen
8
11
7
9
A.
Install bolts hand tight then "snug-up" to 15 N m to 30 N m but not to exceed 20%
of the target torque. Check flange gap for uniformity.
B.
Tighten to 20% to 30% of target torque. Check flange gap for uniformity.
C.
Tighten to 50% to 70% of target torque. Check flange gap for uniformity.
D.
Tighten to 100% of target torque. Check flange gap for uniformity.
E.
Continue to tighten the bolts on a rotational clockwise pattern until no further rotation
occurs at the target torque.
Sequence
Recommend target torque for strainer flange
N m lbf ft
A
10 - 16 7 - 12
B
16 - 24 12 - 18
C
40 - 56 29 - 41
D
80 59
E
80 59
1
3
2
4
Fig. 5 Recommended bolting sequence (1-3-2-4) and torque