Feature 1Medical Grade Material: The check valve is made of medical grade material, safe and nontoxic, with strong resistance to acid, alkali and salt corrosion. 2Fine Craftsmanship: The check valve is finely crafted and has high adsorption properties, thermal stability, chemical stability, high mechanical strength, etc. 3Easy to Carry: This check valve is small and light, easy to carry and store, easy to use, excellent performance and long life. 4Functional This 3/8inch check valve is used in fluid systems to prevent the backflow of fluids or in pneumatic systems to prevent the backflow of compressed air, the check valve can be used in a temperature range of -20 to 70. 5Wide Application: The check valve can be used in water treatment, air purification, automotive parts, mechanical industry, household appliances, etc. to effectively prevent backflow of media.Item Type: Check ValveMaterial: Plastic and RubberModel: CDPV6Interface Diameter: Approx. 7 ~ 10mm / 0.28 ~ 0.39inOverall Length: Approx. 43mm / 1.69inOpening Pressure: 2kpaMaximum Back Pressure: 200kpa .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List6 x Check ValveNoteWhen installing the check valve, special attention should be paid to the direction of flow of the medium. The normal flow direction of the medium should be the same as the direction of the arrow indicated on the valve body, otherwise the normal flow of the medium will be cut off.