This section contains products that pump, transfer, select, or collect liquids. Links are also provided to other sections pertaining to liquid handling accessories.

Micro Valves for LC and GC  NEW

Simplify your liquid or gas handling application with a VICI Precision Sampling Micro valve. The unique design of the fitting detail allows a leak-free seal with no potential for rotor damage from overtightening. Wetted parts are PEEK and PTFE.
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M Series liquid handling pump

The Cheminert M Series is a new generation pump for precision handling of liquids and/or gases, producing a bidirectional flow with a range to six orders of magnitude. An excellent replacement for syringe pumps, it offers better performance and eliminates the need for refill cycles and syringe changes.
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Hollow plunger syringe

This syringe features an integrated 3-way valve on its hollow plunger and an on/off valve at the front end, opening a whole new world of applications.
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Syringes for diluter/dispensers and
automated instrumentation

With a 6/32 UNC female thread in the plunger head, this syringes is designed to work with the most common diluter/dispenser and automated robotic instrumentation.
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M Series Diluter/Dispenser   Currently in development

The Cheminert M Series Diluter/Dispensers simplify the sample preparation process for dispensing and diluting liquids. The user-friendly Wizard format eliminates all the math calculations and external charts associated with diluting and dispensing applications.
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Cheminert liquid handling injectors and valves

High pressure models are designed for 1/32" or 1/16" OD tubing, in a variety of bore sizes and pressure ratings. Low pressure versions are available for 1/16", 1/8", or, for maximum flow, 1/4" OD tubing. Most are available in 4, 6, 8, and 10 port configurations.
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High pressure
Low pressure
Multiposition stream selectors

Valco C6W liquid injectors

Rated at 5000 psi/75°C, the 6 port Valco C6W injector has proven to be a robust, reliable HPLC system component. Connections are made with industry-standard Valco zero dead volume fittings, and the liquid contact parts are available in a wide variety of optional materials to meet any application requirement.
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On/off and prime/purge valves

In prime/purge valves, mobile phase flows around the needle when the valve is closed, relieving the back pressure from the column. When the valve opens, mobile phase vents to waste to prime the pump. The on/off function is self-explanatory.
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Fittings and accessories for liquid handling

Cheminert fittings are ideally suited for applications requiring an inert, biocompatible, metal-free flowpath. Wetted materials are PFA, FEP, CTFE, or PEEK, and uniform flow passages minimize mixing. The wide selection of adapters allows connection to male and female luers, 1/16", 1/8", and 1/4" metal and plastic tubing, 1/8" and 1/4" pipe thread, and glass tubing.
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Syringes

The VICI Precision Sampling line of syringes includes basic sample injection models in a variety of sizes and needle styles, syringes customized for various injectors on the market, and several other unique models.
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Liquid syringes
Liquid syringes for HPLC