Why Prototype Testing Is Important for Custom Liquid Dispensing Valve

https://valvedesignweekly.image-perth.org/oil-resistant-rubber-valve-guide-for-demanding-industrial-applications

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