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You Searched For: Molecular+Biology+Models

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.

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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Product Image-554-3277

Medium pressure 4-port switching valves, Upchurch Scientific®

Description: Upchurch Scientific®, V-101L-60 right angle flow-switching valve, bulkhead version, 1/16" OD tubing, 1,0 mm thru-hole, 6,2 µl swept volume
Catalog Number: 554-3277
UOM: 1 * 1 items
Supplier: UPCHURCH SCIENTIFIC
Product Image-UPCHU-455

Pressure relief valves, Upchurch Scientific®

Description: 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.
Catalog Number: UPCHU-455
UOM: 1 * 1 items
Supplier: UPCHURCH SCIENTIFIC
Product Image-554-3073

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

Description: These ultra-low volume back pressure regulators (BPRs) are developed to minimise swept volume, which is especially important for multi-detector applications.
Catalog Number: 554-3073
UOM: 1 * 1 items
Supplier: UPCHURCH SCIENTIFIC
Product Image-UPCHP-447

Micro-metering valves, Upchurch Scientific®

Description: For fine control of fluid flow rates, these valves can reduce outgoing flow. These needle valves are perfect for use with peristaltic pump fluid transfer applications, mass spectrometry and fraction collection. They can also be used to regulate gas flow in helium sparging lines and as a flow-dependent variable back pressure regulator.
Catalog Number: UPCHP-447
UOM: 1 * 1 items
Supplier: UPCHURCH SCIENTIFIC
Product Image-554-3177

Shut-off valves, Upchurch Scientific®

Description: 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.
Catalog Number: 554-3177
UOM: 1 * 1 items
Supplier: UPCHURCH SCIENTIFIC
Image Unavailable-229-7485

Ball valves

Description: Three way ball valve with PP body and PTFE tips with total length of 65 mm.
Catalog Number: 229-7485
UOM: 1 * 1 items
Supplier: SEMADENI
Image Unavailable-JOURJR-BPR2

Back pressure regulator

Description: 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.
Catalog Number: JOURJR-BPR2
UOM: 1 * 1 items
Supplier: VICI JOUR RESEARCH
Product Image-OMNI001113

Rotary valves with cap connection

Description: Valves are constructed from PTFE with a PCTFE rotor and have a 1,5 mm bore size. They accept tubing sizes between 0,5 and 4 mm Ext.Ø. and are pressure rated to 50 psi.
Catalog Number: OMNI001113
UOM: 1 * 1 items
Supplier: OMNIFIT
Product Image-REST20586

Valves and loops, Sulfinert® treated

Description: Sulfinert® treated gas sample loops are ideal for samples containing low concentrations of sulphur and other active compounds.
Catalog Number: REST20586
UOM: 1 * 1 items
Supplier: Restek
Product Image-229-3591

Non-return valve

Description: DURAN®, borosilicate glass, clear. Prevent pressure loss or backflow. Simple design, cannot be dismantled.
Catalog Number: 229-3591
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-REST26401

Valves for HPLC

Description: These valves have low internal volumes and are rated to 15000 psi. They feature a two-piece stem assembly in which the rotating upper shank is coupled through a ball joint to a static lower stem.
Catalog Number: REST26401
UOM: 1 * 1 items
Supplier: Restek
Product Image-REST26521

Check valves for Shimadzu HPLC systems

Description: Replacement parts for Shimadzu HPLC systems.
Catalog Number: REST26521
UOM: 1 * 1 items
Supplier: Restek
Product Image-229-7489

Ball Valve for Storage Bottles

Description: ½” universal valve made from PP, resistant to acids, alkalis and solvents.
Catalog Number: 229-7489
UOM: 1 * 1 items
Supplier: SEMADENI
Product Image-554-3059

Inline cartridge check valves, Upchurch Scientific®

Description: Inline cartridge check valves are designed to limit flow in one direction and deliver a low cracking pressure. Ideal placement for these valves would be on the effluent side of the column to prevent post-column derivatisation agents from flowing back and poisoning the column if the HPLC mobile phase pump were to shut down.
Catalog Number: 554-3059
UOM: 1 * 1 items
Supplier: UPCHURCH SCIENTIFIC
Product Image-REST22193

Ball valve, Parker Balston® shut-off gas valve

Description: Ball valves have a floating ball to assist sealing and to reduce operating torque, and dual seats to provide leak-tight bidirectional sealing. They are rated to 1500 psig at 21 °C and have a maximum temperature of about 177 °C.
Catalog Number: REST22193
UOM: 1 * 1 items
Supplier: Restek
Image Unavailable-SIAL57620-U

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

Description: The Rheodyne Model 7725 injector allows you to inject 1 μl to 5 ml samples with accuracy and precision.
Catalog Number: SIAL57620-U
UOM: 1 * 1 Each
Supplier: Merck
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