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Agilent 1100 Series Valves 21

Maintenance, Repair, and Troubleshooting 3

Maintenance and Repair

The maintenance of the Agilent 1100 Series valves (G1157A, G1158A, G1159A,

G1160A) includes the exchange of the stator face and the rotor seal. In

addition it might be necessary to exchange the stator head, if the threads are

worn out or if a fitting is broken and cannot be removed from the stator head.

In contrast to the valves for standard flow rates, the valve head assemblies of

the Agilent 1100 Series micro valves (G1162A and G1163A) don’t contain a

stator face. Only the rotor seal needs to be exchanged during maintenance.

The valve head assemblies are displayed in Figure 10 on page 22, Figure 11 on

page 23 and Figure 12 on page 24. Part numbers of the rebuild kits, rotor seals

and stator heads are listed in Table 6 on page 25.

CAUTION

Always rinse the valve with water after using aqueous buffers or salt solutions to

prevent crystal formation which may damage the valve.

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