Figure 24: Overview Of Gas Kits & O-Rings - Flowserve SIHI dry Standard M Series Instruction & Operation Manual

dry dry dry dry Standard Standard Standard M Series Dry Running Vacuum Pump Standard
SIHI
Issue Date: November 21, 2016
The SIHIdry has no shaft seals. The only seals are gaskets and 'O'-rings between casing parts which
should be replaced if the pump is disassembled.
The gas path between the suction and discharge is sealed by the narrow clearance between the wall of
the housing and the rotor. The clearance must be checked during assembly and must not be less than
0.006" [0,15mm]. If the clearance is less than this the pump should not be started. The spindle pair or
housing should be rectified or replaced.
Copyright: FLOWSERVE SIHI Pumps
Figure 24: Overview of Gas kits & O-Rings
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Flowserve US Inc.
Rev 1