You Searched For: Non Return Valves


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Supplier: Bohlender
Description: These non return valves are made from PTFE, with nuts made from glass fibre reinforced PTFE for connecting tubing or tubes.

Supplier: SGE Analytical Science
Description: Micro control valves provide precision metering and on-off control of gas flows. They are designed specifically for chromatography applications and us...

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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

Low Manufacturing Impact


Supplier: KARTELL
Description: PP, translucent. Prevent pressure loss and backflow. Maximum working pressure 2 bar and minimum working pressure  0,07 bar at room temperature (2...

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

Catalog Number: (229-3311)
Supplier: Brand
Description: HDPE, transparent. Prevents backflow. With FKM valve disc not suitable for pressure applications.
UOM: 1 * 1 items


Catalog Number: (VITL78593)
Supplier: VITLAB
Description: These non return valves are made from HDPE.
UOM: 1 * 10 items


Supplier: BÜRKLE
Description: Translucent PP retaining valves with embossed directional arrow or printed in black. With tapered ends. Various uses.

Supplier: Bel-Art Products, a Part of SP
Description: PP valve, translucent with neoprene valve disk. Stops reverse flow of liquid when pressure is interrupted.

Catalog Number: (BURK8540-0012)
Supplier: BÜRKLE
Description: Valve made of PP and POM, seal made of EPDM, springs made of stainless steel 1.4401.
UOM: 1 * 1 items


Supplier: Agilent
Description: New style restrictor, 0 - 110 ml/min, green/purple colour

Catalog Number: (COLE02017-09)
Supplier: Cole-Parmer
Description: Enhance system performance through outgassing prevention.
UOM: 1 * 1 items

New Product


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


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 a...

Supplier: Restek
Description: Outlet cartridge, sapphire and ruby ball and seat

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 glassw...

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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 0800 22 33 44.
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 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
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 Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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