Item Type: Check Valve Shell Material: Nylon Sealing: Fluorine Rubber Diaphragm Spring: SUS316 Spring Application: Widely used in auto parts, machinery industry, household appliances, agriculture, etc. Function: Suitable for fluid system to prevent backflow of liquid, or for pneumatic system to prevent backflow of compressed air Package List 1 x Check Valve 1The check valve nozzle is designed with a pagoda shaped slot, which is non slip and non toxic, has good air tightness. 2The one way check valve is easy to install, convenient for you to unscrew and replace, and has a good adsorption performance. 325-135 normal performance, it has high temperature resistance and corrosion resistance. 4This one way check valve is widely used in auto parts, machinery industry, household appliances, agriculture, etc. 5Suitable for fluid system to prevent backflow of liquid, or for pneumatic system to prevent backflow of compressed air.