Burkert 2000 Mode D'emploi page 21

Type 2000, 2002, 2012
Replacingthevalveseat
Tightening torque for installation of seat
Screw connection
DN Seat (mm) DN Body (mm)
4-15
20
25
32
40
50
65
80
100
Table 5: Tightening torque for installation of seat
Tightening torques (Nm)
Uncoated seats
15 25
20 35
25 50
32 80
40 100
50 120
65 150
80 180
100 220
Tolerance (Nm)
Coated seats
20
28
40
65
85
120
150
180
220
english
+3
+3
+5
+5
+8
+8
+10
+10
+10
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