Pfeiffer HiPace 300 Operating Instructions Manual page 14

Turbopump
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Installation
Installation of CF-
flanges
14
Hexagon screw and blind hole
 Mind that the sealing surfaces are not damaged.
 Connect the flanges according to the drawing and with the component parts of
the mounting kit.
 Use the required number of 8 hex screws with washer.
 For a flange material with a strength of > 270 N/mm
into the blind hole.
 Tighten the hex screws crosswise in three steps.
 Tightening torque DN 100: 5, 12, 22 ± 2 Nm
Stud screw and blind hole
 Mind that the sealing surfaces are not damaged.
 Connect the flanges according to the drawing and with the component parts of
the mounting kit.
 Use the required number of 8 stud screws and nuts.
 For a flange material with a strength of 170 - 270 N/mm
2.5 d into the blind hole.
 Tighten the nuts crosswise in three steps.
 Tightening torque DN 100: 5, 12, 22 ± 2 Nm
Stud screw and through hole
 Mind that the sealing surfaces are not damaged.
 Connect the flanges according to the drawing and with the component parts of
the mounting kit.
 Use the required number of 8 stud screws and nuts.
 Tighten the nuts crosswise in three steps.
 Tightening torque DN 100: 5, 12, 22 ± 2 Nm
Preservation of sealing capacity
Observe the following to preserve sealing capacity:
 Touch seals only with gloves.
 Make sure sealing lips are undamaged.
The connection types for installation of CF to CF flange are "stud screw and blind
hole" as well as "hex screw and through hole". The following elements are re-
quired:
• The valid mounting kit of the Pfeiffer Vacuum accessories programme.
• A copper seal
• A protection screen or splinter shield can optionally be used.
2
screw in the hex screw 1.5 d
2
screw in the hex screw
NOTE

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