Agilent Technologies TwisTorr 74 FS Notice De Mode D'emploi page 335

17
Technical Information
Connection of the High Vacuum Flange
Figure 42
Use the required number of claw clamps:
4 for ISO 63 flange

Tighten the claw clamps with a torque of 22 Nm.
TwisTorr 74 FS User Manual / 87-901-053-01 (A.00) 335/352