Skip to main content
Waters

High pressure ripple with 2695 SM - WKB74641

Article number: 74641

SYMPTOMS

  • Pressure fluctuation is larger than usual

ENVIRONMENT

  • 2695 Separations Module

CAUSE

Check valve failure

FIX or WORKAROUND

Sonicate the check valves.

ADDITIONAL INFORMATION

If sonicating doesn’t help, replace the check valve (WKB31221).

If replacing the check valve doesn’t help, leakage at the pump part is possible. Replace with the pump PM kit (700004073).

 

 

id74641, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10SSM, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, checkvalve, Delta

Not able to find a solution? Click here to request help.