Common Silicone Valve Seal Design Mistakes and How Product Teams Can Avoid Them

https://oilresistantvalves.fotosdefrases.com/one-piece-valve-testing-methods-for-leak-resistance-and-flow-stability

Designing a small part can affect the whole product. A silicone valve seal 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