Vacon NX series - Tightening Torques of AISI304 HX-Unit

Bolt tightening torque for flange connections with Tesnit BA-S gasket s=2mm
Max. temperature +50°C, flange DIN2642 PN10
Nominal
diameter DN
Number of
screws x
thread
diameter
Bolt tightening torque (Nm)
8.8 (bolt material)
10.9 (bolt material)
Min torque
Max torque
Min torque
Max torque
25
4 x M12
79
96
79
143
32
4 x M16
127
233
127
344
40
4 x M16
160
233
160
344
50
4 x M16
201
233
201
344
65
4 x M16
269
344
80
8 x M16
330
344
Bolt tightening torque for flange connections with Tesnit BA-S gasket s=2mm
Max. temperature +50°C, flange DIN2633 PN16
Nominal
diameter DN
Number of
screws x
thread
diameter
Bolt tightening torque (Nm)
8.8 (bolt material)
10.9 (bolt material)
Min torque
Max torque
Min torque
Max torque
25
4 x M12
82
96
82
143
32
4 x M16
131
233
131
344
40
4 x M16
166
233
166
344
50
4 x M16
208
233
208
344
65
4 x M16
279
344
80
8 x M16
171
233
171
344