You Searched For: Non+Return+Valves


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Catalog Number: (NALG6120-0010)
Supplier: Thermo Fisher Scientific
Description: These vacuum check valves with positive connector are designed to prevent back pressure with aspirator-type vacuum pumps.
UOM: 1 * 6 items

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

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Supplier: QVF LABORTECHNIK
Description: Air valve anti-return, cone size 14/23 NS, with sidearm, Borosilicate glass 3.3

Supplier: BROEN-LAB
Description: Thermostatic mixing valve for eye showers designed for delivering tepid water (20 to 25 °C).

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


Supplier: VICI JOUR RESEARCH
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.

Supplier: Agilent
Description: Old style restrictor, 0 - 60 ml/min, red colour

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.

Supplier: UPCHURCH SCIENTIFIC
Description: These biocompatible PEEK and perfluoroelastomer inline check valves are designed for applications where low flow path volume is critical, such as delivery to lab-on-a-chip, single-cell analysis and micro- or nano-LC post-column derivatisation.

Catalog Number: (554-3155)
Supplier: UPCHURCH SCIENTIFIC
Description: The Quick-Stop Luer check valve assembly is specifically designed to provide inline Luer connect/disconnect convenience while avoiding spills. It is made from biocompatible PEEK with gold-plated stainless steel spring.
UOM: 1 * 1 items


Supplier: OPTIMIZE TECHNOLOGIES
Description: A single OPTI-MAX® cartridge is interchangeable across multiple pump brands and can function in either the inlet or outlet position.

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.

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.

Supplier: UPCHURCH SCIENTIFIC
Description: 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).

Supplier: Lenz Laborglas GmbH & CO.KG
Description: Water jet pumps made of borosilicate glass with or without non-return valve.

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.

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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 on +353 1 88 22222.
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 on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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