Agilent Technologies X3500-64000 Mode D'emploi page 291

WARNING! It is mandatory to connect the pump in such a way to withstand the torque
specified in the "INSTRUCTION FOR USE" section. Specifically pay attention
to clamp design, material of clamps and bolts and bolt fixing torque.
WARNING! If the pump is fastened on a vacuum chamber with different flange Agilentts
there exists the chance of twisting or tearing-off in case the rotor is suddenly
blocked. The combination of different flange types is not allowed in any case.
Agilent Vacuum will not accept any liability for all damages resulting from
not allowed fastening.
Installation of ISO-K Flange
For ISO-K flange connections, fix the two flanges with the clamps as
shown in the following figure (a protective screen can optionally be
used).
TwisTorr 304 FS User Manual / 87-901-027-01(B)
Technical Information
Connection of the High Vacuum Flange
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