Attaching Iso-K Flange To Iso-F; Fig. 5: Flange Connection Iso-K To Iso-F, Bracket Screws; Fig. 6: Flange Connection Iso-K To Iso-F, Hexagon Head Screw And Tapped Hole - Pfeiffer Vacuum HiPace 800 Operating Instructions Manual

Required tools
● Wrench, WAF 15
● Calibrated torque wrench (Tightening factor ≤ 1.6)
Fig. 5:
Connection with bracket screw
1. For the connection of the turbopump, use only the approved mounting kits from Pfeiffer Vacuum.
2. Connect the flange with the components of the mounting kit according to the figure.
3. Use for all prescribed components for the turbopump.
4. Tighten the bracket screws cross-wise in 3 steps.
5.3.7 Attaching ISO-K flange to ISO-F
The connection types for ISO-K flange installation with ISO-F flange are:
● "Hexagon head screw and tapped hole"
● "Stud screw with tapped hole"
● "Stud screw with through hole"
Required tools
● Hexagon wrench (15 WAF)
● Calibrated torque wrench (tightening factor ≤ 1.6)
Fig. 6:
Connection of the hexagon head screw and tapped hole
1. Only use the approved mounting kits of Pfeiffer Vacuum for the connection of the turbopump.
2. Place the collar flange over the high vacuum flange of the turbopump.
3. Insert the snap ring in the side groove on the high vacuum flange of the turbopump.
4. Attach the turbopump with collar flange, snap ring and centering ring to the counter flange accord-
5. Use all prescribed components for the turbopump.
6. Screw the hexagon head screws into the tapped holes.
7. Fasten the hexagon head screws cross-wise in 3 steps.
Flange connection ISO-K to ISO-F, bracket screws
– Tightening torque: 5, 15, 25 ± 2 Nm
ISO flange connections
For the connection of flanges in ISO-KF or ISO-K design, twisting may occur in the event of
sudden blockage of the rotor, despite correct installation.
● Leak-tightness of the flange connection, however, is not jeopardized in this regard.
Flange connection ISO-K to ISO-F, hexagon head screw and tapped hole
ing to the figure.
– Observe the minimum tensile strength of the flange material and the screw depth.
– Tightening torque: 5, 15, 25 ± 2 Nm
Installation
25/64