Concentrated buffer solutions will reduce the lifetime of the seals and pistons in your binary pump. The active seal wash option allows to maintain the seal lifetime by flushing the low pressure side of the seals with a wash solvent.
The seal wash option is strongly recommended if buffer concentrations of 0.1 M or higher are used regularly with the pump.
The active seal wash option kit can be ordered by quoting G1399A (Active Seal Wash Upgrade Product including Service) .
The seal wash option comprises a peristaltic pump, secondary seals, gaskets, seal holders and tubing for both pump heads. A bottle of premixed water/isopropanol (90 /10 vol%) is placed in the solvent cabinet and connected to the peristaltic pump.
Always use a mixture of HPLC-grade water (90 %) and isopropanol (10 %) as wash solvent. This mixture prevents bacteria growth in the wash bottle and reduces the surface tension of the water.
NOTE
In order to avoid accumulation of buffer salts or impurities, regularly replace the washing solution using fresh solvents.
The operation of the peristaltic pump can be controlled from the data system or the Instant Pilot.
For adding a seal-wash option, please contact your local Agilent Technologies service representative.
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