This inline spring check valve is designed to prevent backflow in water systems. With a brass body and female NPT threads, it offers durable, easy installation on standard piping while maintaining reliable oneway flow. Key benefits Prevents backflow to protect pumps, valves, and water quality in every installation. Inline spring mechanism provides quick, reliable sealing to stop reverse flow. Brass construction delivers durability and corrosion resistance for frequent water service. Female NPT connections enable straightforward integration with common pipe fittings. Available in multiple sizes to fit your project: 1/2 in, 3/4 in, and 11/2 in female thread options. Compact inline design suitable for tight installations and space constrained lines. Works with water line applications and is compatible with float valve setups as part of a water control system. Key attributes Functionality: Inline spring check valve, oneway antibackflow operation. Material: Brass body for durability and corrosion resistance. Thread type: Female NPT threads. Sizes: 1/2 in, 3/4 in, and 11/2 in female thread versions. Configuration: Inline installation for easy retrofits and builds. Application: Designed for water supply lines and related valve systems, including float valve configurations. Use cases Irrigation systems: Prevent backflow when pump cycles off or line pressure fluctuates, protecting the source and equipment. Water storage and float valve setups: Maintain proper water level while preventing backflow to the source. Well or municipal water lines: Shield pumps and downstream equipment from backsiphon and contamination events. This valve delivers a straightforward, dependable solution for maintaining clean, oneway water flow with compatible brass NPT connections. It combines durable construction, simple installation, and versatile sizing to fit a range of plumbing and irrigation projects.