Material:These one way check valves are made of quality PVDF, wear-resistant and durable, ensures long-term use.Wide usage:The non-return check valves are designed for fluid systems to prevent countercurrent liquids or for pneumatic systems to prevent reverse flow of compressed air, can be applied to automotive parts, machinery industry, household appliances, agriculture, etc.Specifications:Diaphragm material: VITONTotal length: 38 mm/ 1.49 inchOpening pressure: less than or equal to 0.5 KpaMaximum back pressure: greater or equal to 300Kpacolour: whiteMaterial: PVDFsize: 6mmPackage Contents: 4 x PVDF check valvesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
