A centrifuge polymer quotation should describe an approved operating envelope, not only a claim of strong floc. Purchasing cationic polyelectrolyte for a decanter requires evidence that preparation, injection and machine response work together.
Specify the installed constraints
Provide bowl and feed configuration, injection location, dilution availability, throughput range and normal sludge solids. Record pump and make-down capacity. The supplier needs to know whether a candidate must work with the existing contact time and shear, rather than assume a laboratory mixing sequence can be reproduced in the machine.
Screen for transferable response
Use the centrifuge trial procedure to compare qualified candidates. Retain product identity, solution preparation and defined bench shear before taking finalists to production. Large floc after gentle mixing is not purchase acceptance; it may not survive feed acceleration or distribute through the actual sludge stream.
Award against simultaneous endpoints
Set acceptable centrate or capture, cake solids, throughput and torque behavior before the trial. Hold mechanics stable for the initial product comparison, then evaluate justified combined settings. A clearer centrate alone does not demonstrate better economics when cake becomes wetter or the machine must run more slowly.
Define the production qualification limit
Record feed and loading ranges actually tested, duration and unresolved conditions. A pilot or short production run supports a bounded first order, not a universal guarantee. Retain the accepted grade and operating sheet so subsequent supply can be checked against the same case and equipment configuration.
Keep the purchase tied to evidence
Record the candidate code, sample lot, sludge condition and measurement method beside each result. An untested condition is a qualification limit, not an assumed pass. Keep unresolved requirements visible before approving repeat supply.
| Requirement | Evidence | Purchasing decision |
|---|---|---|
| Installation | Injection and make-down constraints | Candidate fits the existing route |
| Machine | Matched cake, centrate and torque | Performance meets combined limits |
| Award | Feed range and measured cost | Purchase scope follows the trial |
Request a defined sample and quotation
Send centrifuge configuration, sludge solids, current active dose, cake and centrate results, throughput and any torque limit. Identify whether a machine trial is available before bulk award.
Include quantity, delivery destination and requested documents with the sample brief. The quality and supply record connects the qualified product to shipment. Gongyi Xinqi Polymer Co., Ltd. can review the operating case and commercial request; confirm grade-specific availability and terms before ordering.
Request a product and purchasing review
Send the sludge, equipment and supply requirement for the intended duty.