3 Installation
PROline Promag 10
28
Hauser
Screw tightening torques (Promag P)
Note the following points:
•
The tightening torques listed below are for lubricated threads only.
•
Always tighten threaded fasteners uniformly and in diagonally opposite sequence.
•
Overtightening the fasteners will deform the sealing faces or damage the seals.
•
The tightening torques listed below apply only to pipes not subjected to tensile stress.
Promag P
nominal diameter
DIN
pressure rating
Screws
Max. torque [Nm]
[mm]
[bar]
PTFE
25
PN 40
4 x M 12
26
32
PN 40
4 x M 16
41
40
PN 40
4 x M 16
52
50
PN 40
4 x M 16
65
65
PN 16
4 x M 16
87
80
PN 16
8 x M 16
53
100
PN 16
8 x M 16
57
125
PN 16
8 x M 16
75
150
PN 16
8 x M 20
99
200
PN 10
8 x M 20
141
250
PN 10
12 x M 20
110
300
PN 10
12 x M 20
125
Promag P
nominal diameter
ANSI
pressure rating
Screws
Max. torque [Nm]
[mm]
[inch]
[lbs]
PTFE
25
1"
Class 150
4 x 1/2"
11
40
1 1/2"
Class 150
4 x 1/2"
24
50
2"
Class 150
4 x 5/8"
47
80
3"
Class 150
4 x 5/8"
79
100
4"
Class 150
8 x 5/8"
56
150
6"
Class 150
8 x 3/4"
106
200
8"
Class 150
8 x 3/4"
143
250
10"
Class 150
12 x 7/8"
135
300
12"
Class 150
12 x 7/8"
178
