A Clear Checklist for Planning a Successful Liquid Dispensing Valve Project

https://elastomerflowsystems.lucialpiazzale.com/one-piece-valve-selection-tips-for-oem-engineers-and-sourcing-teams

Designing a small part can affect the whole product. A liquid dispensing valve may look simple, but it has a real job to do. It must work with the cap, case, fluid, air path, or light path around it