1/4-28 x 1/4-28 Inline Check Valve
Rated 3.5/5 based on 11 customer reviews

1/4-28 x 1/4-28 Inline Check Valve

These 1/4-28 non-metallic check valves provide excellent protection against backflows. Broad chemical resistance and biocompatibility are guaranteed by the PEEK polymer and fluoroelastomer construction.
Their low cracking pressure (0.07 bar) is ideal for microfluidics.
Pack of 1 unit.
Available immediately
€135.00
These 1/4-28 non-metallic check valves provide excellent protection against backflows. Broad chemical resistance and biocompatibility are guaranteed by the PEEK polymer and fluoroelastomer construction.
Their low cracking pressure (0.07 bar) is ideal for microfluidics.
Pack of 1 unit.

Limit your flow stream to one direction and prevent backflows. These convenient check valves can easily connect to any 1/4-28 port of fitting.

The low cracking pressure (0.07 bar) ensures complete backflow protection, even at low flow rates.

1x 1/4-28 x 1/4-28 check valve

CV-3320 CV-3321 CV-3330
Materials PEEK, perfluoroelastomer PEEK, perfluoroelastomer PEEK, perfluoroelastomer
Swept volume 37 µL 37 µL 34 µL
Direction female 1/4-28 to male 1/4-28 male 1/4-28 to female 1/4-28 female 1/4-28 to female 1/4-28
Cracking pressure

0.07 bar (1 psi)

tolerance: ± 0.5 psi (0.03 bar)

0.07 bar (1 psi)

tolerance: ± 0.5 psi (0.03 bar)

0.07 bar (1 psi)

tolerance: ± 0.5 psi (0.03 bar)

Back pressure created 2.1 bar (30 psi) 2.1 bar (30 psi) 2.1 bar (30 psi)
Max. pressure rating 138 bar (2000 psi) 138 bar (2000 psi) 138 bar (2000 psi)
CV-3321 dimensions CV-3320 dimensions CV-3330 dimensions

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Worldwide shipping

We ship worldwide from our warehouse in France.

The shipping charges are calculated based on the weight of the package and the country of destination: you can estimate the shipping cost on the cart page. We try to offer you the best shipping rates and services, shipping all our orders through DHL Express. Generally, your order reaches your lab in only 2 to 3 days after we send it, no matter the destination!

If you wish to use your own shipping account, we will charge a flat fee of 15€.

Please note that our standard shipping incoterms are DAP (Delivered At Place), or EXW if using your own carrier.

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