Waters 1525M, Installation And Maintenance Manual

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Fluid-Handling Components 28
1
Drip tray Catches fluid leaks.
Drip tray waste exit Drains accumulated fluids to the waste container.
Gradient mixer Increases homogeneity. Also adds volume to the system.
Inlet and outlet check
valve assemblies Maintain flow direction and pressure by opening in one
direction only.
Inlet manifold Provides the connection for eluent inlet tubing and routes
eluent to the inlet check valve on each pump head.
Manual injector Enables a manual sample injection. Generates an inject
start signal to the detector.
Manual injector waste line
(1525EF Pump) Routes flow from the manual injector to the waste container.
Plunger indicator rods Show the position of each pump head plunger.
Pressure transducer Senses operating pressure and converts values to elec-
tronic signals for monitoring.
Pulse dampeners Dampen operating pressure fluctuations. Located on the
left side of the unit under the mixer and behind the shroud.
Pump head assembly Draws in and delivers eluent. Defines pump capacity.
Pump outlet Routes eluent to the injector, column, and detector.
Reference (or vent) valve Directs flow from the pump to waste for purging, or through
the injector, the column, and the rest of the system.
Reference (or vent) valve
waste line Routes flow from the reference (or vent) valve to the waste
container.
Restrictor tee
(1525µ Pump) Blends two solvents together (with backflow prevention).
Seal wash holes
(not visible in
Figure 1-3 or
Figure 1-4 )
Allow manual flushing of plunger seals.
Tee (1525EF Pump) Blends two solvents together.
Table 1-1 Fluid-Handling Components in the Waters 1525 Pump (Continued)
Component Description
Caution: To prevent eluent from leaking out of the
pump outlet, position the eluent reservoir below the
pump inlet manifold before disconnecting the pump
outlet fitting.