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Our non-return valves protect tubing and vacuum systems from backflow when pressure falls in the system. Sealing system eliminates backflow, helping to prevent upstream contamination or damage. These valves are compatible with a wide range of systems, all with different specific levels when dealing with the three main pressure values: cracking pressure, maximum pressure, and back pressure created. Durable steel or plastics are used in all designs, with spring loaded, creating a quality product that will remain independent for years with no need for replacement.

Our non-return valves protect tubing and vacuum systems from backflow when pressure falls in the system. Sealing system eliminates backflow, helping to prevent upstream contamination or damage. These valves are compatible with a wide range of systems, all with different specific levels when dealing with the three main pressure values: cracking pressure, maximum pressure, and back pressure created. Durable steel or plastics are used in all designs, with spring loaded, creating a quality product that will remain independent for years with no need for replacement.


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Product Image-REST24902

Precision sampling valves for vials, Mininert®

Leverandør: Restek
Beskrivelse: 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.

Image Unavailable-JOURJR-BPR3

Modtryksregulator

Leverandør: VICI JOUR RESEARCH
Beskrivelse: Denne regulator installeres på detektorens afløbsrør og forhindrer dannelse af bobler i flowcellen under udgasning. Den har et justerbart modtryk fra 0-20,5 bar (300 psi) uden frakobling fra systemet. Andre størrelser fås.

Product Image-229-3591

Non-return valve

Varenummer: (229-3591)
Leverandør: Lenz Laborglas GmbH & CO.KG
Beskrivelse: DURAN®, borosilicate glass, clear. Prevent pressure loss or backflow. Simple design, cannot be dismantled.
UOM: 1 * 1 Items
Product Image-554-3057

Inline cartridge check valves, Upchurch Scientific®

Leverandør: UPCHURCH SCIENTIFIC
Beskrivelse: 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.

Product Image-554-3060

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

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

Product Image-229-7482

Non return valves

Varenummer: (229-7482)
Leverandør: SEMADENI
Beskrivelse: These non return valves are made from PP.
UOM: 1 * 1 Items
Product Image-UPCHU-455

Pressure relief valves, Upchurch Scientific®

Leverandør: UPCHURCH SCIENTIFIC
Beskrivelse: 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-554-3195

Shut-off valves, Upchurch Scientific®

Leverandør: UPCHURCH SCIENTIFIC
Beskrivelse: 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-554-3073

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

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

Image Unavailable-554-3155

Inline check valves, quick-stop luer, Upchurch Scientific®

Varenummer: (554-3155)
Leverandør: UPCHURCH SCIENTIFIC
Beskrivelse: 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
Product Image-UPCHCV-3325

Inline check valves, non-metallic ¹/₄-28 and 10-32, Upchurch Scientific®

Leverandør: UPCHURCH SCIENTIFIC
Beskrivelse: 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.

Product Image-UPCHU-608

Back pressure regulators, Upchurch Scientific®

Leverandør: UPCHURCH SCIENTIFIC
Beskrivelse: 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).

Product Image-AZLONWH906P

Non return valves, Azlon®

Leverandør: SciLabware
Beskrivelse: Designed for use in vacuum lines and fluid handling systems.

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Lager for denne post er begrænset, men kan være til rådighed på et lager tæt på dig. Sørg for, at du er logget ind på webstedet, så tilgængelige bestand kan vises. Hvis call vises stadig, og du har brug for hjælp, bedes du ringe til os på - 43 86 87 88.
Dette produkt er mærket som begrænset og kan kun købes af godkendte Shipping konti. Hvis du har brug for yderligere hjælp, e-mail VWR Regulatory Department på Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
Dette produkt er blevet blokeret for salg via hjemmesiden. Kontakt kundeservice for mere information.
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Produkt (er) markeret med dette symbol er udgået - sælges indtil lageret er tomt. Alternativer kan være tilgængelige ved at søge med VWR-katalognummeret ovenfor. Hvis du har brug for yderligere hjælp, bedes du kontakte kundeservice på telefon 4386 8788
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