Assured Durability: Made from quality PP material that resists deformation, providing dependable and stable performance for longterm use. Improve Work Efficiency: Helps maintain consistent pressure in knapsack sprayers, supporting faster, more efficient operation and reducing downtime. Automatic Deflation: Safety release valve automatically deflates when pressure exceeds a set limit, effectively protecting the bottle body from overpressure. Easy Installation: Quick to install and disassemble, serving as a straightforward replacement for old or damaged air release valves. Material and Function: Polypropylene (PP) pressure relief valve designed for knapsack sprayers; provides automatic pressure relief to maintain safe operation and protect the tank. Compatibility and Size: Designed to fit typical knapsack sprayer air release valve ports; verify port size to ensure proper compatibility with your sprayer system. Performance Highlights: Durable construction, reliable pressure relief, automatic deflation, and easy replacement contribute to safer, more efficient spraying. Use Scenarios: 1) Garden care: worn valves on garden knapsack sprayers when applying waterbased solutions, fertilizers, or herbicides to maintain steady pressure and reduce downtime. 2) Agricultural spraying: Ideal for orchard or field sprayers delivering pesticides or nutrients, helping maintain consistent flow and protecting the tank during use. 3) Greenhouse and nursery applications: Supports safe operation of sprayers used for pest control and irrigation in confined spaces, preventing overpressure incidents. Practical benefits: Enhances safety, extends sprayer life, and simplifies maintenance by providing a reliable, easytoinstall pressure relief solution.