20 Agilent 8453 Dissolution Testing System Installing and Operating Manual
1 Site Requirements and Specifications
Specifications
Valve stator PPS
Valve rotor TFE composite
Temperature range of
solvent
5–75 °C (41–167 °F)
Pressure Less than or equal to ambient
pressure
Pressure drop across
valve
< 0.2 bar (2.9 psi) at 5 ml/min
Flow rate through valve Typically 10 ml/min
Solvents Compatible with PPS and TFE
composite materials, pH 1–14
Lifetime Typically 100,000 switching cycles Pumping water at 20 °C (68 °F)
through each port during
switching. A switching cycle is a
360° turn of the valve. Depending
on your application, you may
need to clean the valve at regular
intervals.
Tab le 6 Performance Specifications Valve Unit
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