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Quaternary pump with dual plunger, 0.001–10 mL/min flow, up to 400 bar pressure, with compressibility compensation.
The Agilent G1311A Quat Pump (1100 Series) features a precise hydraulic system with:
This pump is engineered for analytical applications requiring precise flow control and robust gradient capabilities in high performance liquid chromatography (HPLC) systems.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 3 September 2026
The middle half of the 226 with a price runs from €60 to €1,725.
