Table of Contents
Advertisement
Procedure
1. With ISO flanges, use centering rings with protective screen or splinter shield.
2. For CF flanges, always insert protective screen or splinter shield with the clamping lugs pointing
5.3.4 Using the vibration compensator
Risk of injury caused by the turbopump breaking away with the vibration compensator in the
event of a malfunction
Sudden jamming of the rotor generates high destructive torques in accordance with ISO 27892.
When using a vibration compensator, this will probably lead to the turbopump being sheared off in
use. The energy that this would release could throw the entire turbopump or shattered pieces from its
interior through the surrounding space. Potentially dangerous gases can escape. There is a risk of
very serious injuries, including death, and extensive property damage.
► Take suitable safety precautions on-site for the compensation of the occurring torques.
► Before installing a vibration compensator, you must first of all contact Pfeiffer Vacuum.
Pfeiffer Vacuum vibration compensators are suitable for use on vibration-sensitive systems.
Installing the vibration compensator
1. Install the vibration compensator only with vertical passage.
2. Consider the flow resistance.
3. Secure the turbopump additionally to the high vacuum flange.
4. Observe the fastening of the ISO flanges.
5.3.5 Mounting orientations
Pfeiffer Vacuum turbopumps from the HiPace series are suitable for use with dry compressing backing
pumps for mounting in all orientations.
► When using oil-sealed backing pumps, avoid backflow from the fore-vacuum range.
HV
Fig. 4:
Determine a horizontal mounting orientation of the turbopump with oil-sealed backing pumps
1. Always align the fore-vacuum connection downwards vertically.
2. Support the tube connections in front of the turbopump.
3. Do not allow any forces from the piping system to act on the turbopump.
4. Do not load the high vacuum flange of the turbopump on one side.
5.3.6 Attaching ISO-K flange onto ISO-K
towards the rotor in the high vacuum flange.
WARNING
VV
Recommended alignment of the fore-vacuum connection when using oil-sealed back-
ing pumps
– Permissible deviation ±20°
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.
VV
± 20° max
Installation
VV
23/54
Advertisement
Table of Contents
