You searched for: Valves

A variety of valves that can, depending on the product, be used to regulate pressure levels of liquid and gas in flow systems. These valves can be used for making connections between different lengths of tubing and connection points. Liquid and vacuum seals. A plethora of scenarios exist in which these valves can be used, each with a unique purpose and design for maximum safety and efficiency when in use, especially when pressure is of great concern.

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Pressure relief valves, Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC

Pressure relief valves are ideal for preventing system over-pressurisation. These products protect system components by diverting fluid flow automatically when inline pressure exceeds the set limit.

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Non return valves, Azlon®

Supplier: SciLabware

Designed for use in vacuum lines and fluid handling systems.

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Shut-off valves, Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC

Stop a flow stream quickly with these shut-off valves. The bodies are manufactured from either PEEK or ETFE. Both versions feature a PCTFE rotor, making them highly resistant to chemicals. The blue colorant used in some valve configurations has proven not to leach out with common HPLC solvents.

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Sigma-Aldrich® HPLC injector, Rheodyne 7725/7725i

Supplier: Merck

The Rheodyne Model 7725 injector allows you to inject 1 μl to 5 ml samples with accuracy and precision.

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Back pressure regulator

Supplier: Agilent

Back pressure regulator, 1 - 15 psi

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Mass flow controllers and restrictors

Supplier: Agilent

Old style restrictor, 0 - 110 ml/min, green colour

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Back pressure regulator

Supplier: VICI JOUR RESEARCH

This regulator installs on the detector drain line and prevents bubble formation in the flow cell during outgassing. It has an adjustable back pressure from 0 to 20 bar (15 to 300 psi) without disconnecting from the system. Other sizes available.

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Back pressure regulators, Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC

Back pressure regulator assemblies are designed to create incremental back pressures ranging from 5 to 1000 psi (0,3 to 69 bar). These biocompatible and stainless steel back pressure regulator assemblies are available complete with a replaceable, factory pre-set cartridge (except the 5 and 20 psi (0,3 to 1,4 bar versions).

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Ultra-low volume back pressure regulators (BPR), Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC

These ultra-low volume back pressure regulators (BPRs) are developed to minimise swept volume, which is especially important for multi-detector applications.