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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.

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-HEWL0101-1231

Manual injection valve with position sensing switches

Supplier: Agilent
Description: The stainless steel 7725i and PEEK 9725i manual injection valves are suitable for large sample volumes, high flow rates and preparative columns sized 10 to 100 mm in diameter.

Product Image-WITG0.290.403

Spare needle valve

Catalog Number: (WITG0.290.403)
Supplier: witeg Labortechnik
Description: Spare needle valve, PTFE, red for high vacuum stopcocks WITAFLO, 3 mm hole
UOM: 1 * 1 items
Product Image-MILXMXPESP14N

Sampling valves

Supplier: Merck
Description: The sampling valves are used for sterile sampling of water or other final products in the pharmaceutical industry.

Image Unavailable-HEWL19246-60560

Back pressure regulator

Catalog Number: (HEWL19246-60560)
Supplier: Agilent
Description: Back pressure regulator, 1 - 15 psi
UOM: 1 * 1 items
Product Image-REST24902

Precision sampling valves for vials, Mininert®

Supplier: Restek
Description: Mininert® valves are very convenient for repetitive sampling and limit content exposure to the silicon septum. The crimp-top valve for 20 mm ID glassware slides into the neck of the vial.

Product Image-554-3060

Inline check valves, standard 1/4-28, Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC
Description: These standard inline check valves are made from gold plated stainless steel.

Product Image-229-7482

Non return valves

Catalog Number: (229-7482)
Supplier: SEMADENI
Description: These non return valves are made from PP.
UOM: 1 * 1 items
Image Unavailable-JOURJR-660310

Micro valves for LC and GC

Supplier: VICI JOUR RESEARCH
Description: These micro valves for LC and GC has a unique design of the fitting detail which allows a leak-free seal with no potential for rotor damage from overtightening.

Image Unavailable-229-7485

Ball valves

Catalog Number: (229-7485)
Supplier: SEMADENI
Description: Three way ball valve with PP body and PTFE tips with total length of 65 mm.
UOM: 1 * 1 items
Product Image-554-3074

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

Supplier: 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.

Product Image-UPCHU-456

Pressure relief valves, Upchurch Scientific®

Supplier: 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.

Product Image-UPCHP-447

Micro-metering valves, Upchurch Scientific®

Supplier: 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.

Product Image-554-3195

Shut-off valves, Upchurch Scientific®

Supplier: 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.

Product Image-554-3280

Medium pressure 4-port switching valves, Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC
Description: Upchurch Scientific®, V-101L right angle flow-switching valve, bulkhead version, 1/16" OD tubing, 1,0 mm thru-hole, 6,2 µl swept volume

Product Image-554-3059

Inline cartridge check valves, Upchurch Scientific®

Supplier: 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.

Image Unavailable-SIAL57620-U

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

Catalog Number: (SIAL57620-U)
Supplier: Merck
Description: The Rheodyne Model 7725 injector allows you to inject 1 μl to 5 ml samples with accuracy and precision.
UOM: 1 * 1 Each
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +43 1 97002 - 0.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +43 1 97002 - 0.
Dual use goods can only be delivered within the European Union.
Dual use goods can only be delivered within the European Union.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at +43 1 97002 - 0.
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