Valves

  • Valco Injectors and Valves for GC

    Wide range of rotor and body materials of any valve available, with alloys and polymer composite capable of meeting virtually any system requirement. All models can be ordered in manual, pneumatic or electrically actuated versions.

  • Valco Injectors and Valves for HPLC

    As with the GC line, Valco offers the widest range of rotor and body materials of any valve available, with alloys and polymer composite capable of meeting virtually any system requirement. All models can be ordered in manual, pneumatic or electrically actuated versions.

  • Valco selectors


    Conical rotary design allows multiple planes of ports, facilitating unique multiposition configurations useful for stream selection, column selection or trapping. Available for GC and for HPLC applications.

  • Diaphragm Valves for GC


    Extremely long lifetime, very short actuation time, minimum internal dead volume and reliability have made this type of valve very successful in process gas chromatography for both sample injection and column switching.

  • Cheminert UHPLC Injectors


    UHPLC injectors from Cheminert feature a proprietary rotor material and stator coating that permit high pressures. Injectors are available in a variety of configurations, including models with vetical injection port.

  • Cheminert HPLC Injectors and Valves


    The Cheminert HPLC line is offered in versions of 4, 6, 8 and 10 ports. Most models are available in manual, air or electrical actuated versions and some can be ordered with a proprietary coated stainless stator and high-strength PEAK rotor to ensure long periods of maintenance-free operation.

  • Cheminert Injectors and Valves for low pressure applications


    Cheminert's two position design offers 4, 6, 8 or 10 port configuration.All models are available in manual, air or electrically actuated versions.

  • Cheminert Selectors


    A variety of configurations are available with different bore sizes (0.10 mm to 4.6 mm) for applications requiring minimal restriction across the valve. Metal or all-polymeric valves can be ordered, with models available in manual, pneumatic or electrically actuated versions.

  • 40000 psi Ultra-high pressure Injector System


    The 40K injector is comprised of six miniuature air actuated needle valves plumbed to simulate the flow path of a conventional rotor/stator injector.
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