Attaching Cf Flange To Cf-F; Fig. 11: Flange Connection Iso-F, Stud Screw And Through Hole; Fig. 12: Flange Connection Cf-F, Hexagon Head Screw And Through Hole - Pfeiffer Vacuum HIPACE 300 Operating Instructions Manual

Installation
Connection of the stud screw and tapped hole
1. Only use the approved mounting kits of Pfeiffer Vacuum for the connection of the turbopump.
2. Screw in the stud screws with the shorter end in the tapped holes on the counter flange.
3. Attach the turbopump with centering ring to the counter flange according to the figure.
4. Use all prescribed components for the turbopump.
5. Secure the hexagon nuts.
6. Tighten the nuts cross-wise in 3 steps.
Fig. 11:
Connection of the stud screw and through hole
1. Only use the approved mounting kits of Pfeiffer Vacuum for the connection of the turbopump.
2. Attach the turbopump with centering ring to the counter flange according to the figure.
3. Use all prescribed components for the turbopump.
4. Fasten the screw connections cross-wise in 3 steps.
5.2.9 Attaching CF flange to CF-F
The connection types for CF installation with CF flange are:
● "Hexagon head screw and through hole"
● "Stud screw with tapped hole"
● "Stud screw with through hole"
Leaks may occur due to the incorrect installation of CF flanges
Inadequate cleanliness when handling CF flanges and copper gaskets results in leaks and may
cause process damage.
► Always wear suitable gloves before touching or fitting any components.
► Fit seals only if dry and free of grease.
► Take care of damaged surfaces and cut edges.
► Replace the damaged components.
Required tools
● Hexagonal wrench (13 WAF)
● Calibrated torque wrench (tightening factor ≤ 1.6)
Fig. 12:
Connection of the hexagon head screw and through holes
1. For the connection of the turbopump, use only the approved mounting kits from Pfeiffer Vacuum.
2. If used: Insert the protective screen or splinter shield with clamping lugs downwards in the turbo-
82/116
– Observe the minimum tensile strength of the flange material and the screw depth.
– Tightening torque: 5, 15, 22 ± 2 Nm
Flange connection ISO-F, stud screw and through hole
– Tightening torque: 10, 20, 22 ± 3 Nm
Flange connection CF-F, hexagon head screw and through hole
pump high vacuum flange.
NOTICE