Sprayer Pressure Release Valve material Made from durable PP plastic, this valve resists deformation and provides reliable, longlasting performance in everyday use. Improves work efficiency Designed to enhance the efficiency of knapsack garden sprayers by providing dependable pressure relief, helping you complete spraying tasks faster and with less downtime. Automatic deflation for safety The valve automatically deflates when system pressure exceeds the set value, effectively protecting the bottle and preventing overpressurization. Convenient installation and replacement Easy to install and remove, this valve can old or damaged valves to improve stability and overall spraying performance. Compatibility and practical use Suitable for garden and knapsack sprayers as a direct replacement for worn or faulty pressure relief valves, ensuring stable operation and reliable performance. Use scenarios Home garden care: worn valves on a knapsack sprayer used for applying pesticides, herbicides, or fertilizers to maintain consistent pressure control. Lawn and turf maintenance: upgrade aging sprayer valves to improve spraying reliability during routine lawn treatments. Greenhouse or small farm spraying: use as a replacement part to keep sprayers operating smoothly when applying nutrients or protection products to crops.