OEM chromatography pumps

Pump integration boundaries

Separate a standalone pumping request from a module intended for another instrument. Identify the host assembly and its design owner.

In host assembly drawing, identify what lies inside the proposed package and what belongs to the existing project. Name the owner of each side of the connection and the drawing each owner needs to review. Ask the bidder to mark the proposed interface clearly, then have the responsible engineer compare that response with the actual host or adjacent equipment documents used for the enquiry. Request identification of the document defining the existing connection as well as the drawing describing the proposed side of the interface.

Pump duty documents

Request the intended solvent list and the proposed duty description together. Ask the supplier to relate its pump proposal to that exact application.

Put the requested application conditions in pump duty response and identify which conditions belong together in the proposed task. Ask the supplier to answer against the particular equipment it proposes rather than a general product family. Request clarification where a statement depends on a different application description, and have your responsible engineer review those conditions alongside the named proposed configuration before equipment selection. Request an explanation of any proposed qualification in the context of the duty it affects, rather than treating it as a general product statement.

Pump communication files

Ask for interface documentation covering commands, status reporting and fault messages. Identify which functions the host software needs to control.

For pump communication file, name the host function that needs a response from the proposed equipment and identify the information your software team needs to interpret it. Ask for the command or message description relevant to that function. Keep connection questions separate from the meaning of the returned information, and request enough documentation for the software reviewer to assess the proposed interface before approval. Ask the software reviewer to distinguish a requested command from the status information needed to establish how the proposed equipment has responded.

Pump service access

Mark the access space and permitted maintenance approach inside the instrument enclosure. Request a drawing showing how the proposed module would be reached.

Prepare module access drawing using the access restrictions known to the site or laboratory team. Mark the area available around the proposed assembly and identify how people intend to approach it for the activities under review. Request a drawing addressing those access questions, and have the relevant site representative compare the proposal with the layout supplied for the equipment discussion. Ask the site reviewer to identify which access questions concern the equipment position and which concern the route to that position.