Features 1、This is a check valve that allows water to flow through it in only one direction 2、Made of high quality brass material, this check valve is durable and sturdy 3、It is normally used for water, nominal pressure is 232psi 4、DN25 standard internal female thread is great for many connections 5、Convenient to use and easy to install, there is an arrow mark to show direction Specification Features: This is a check valve that allows water to flow through it in only one direction. Made of high quality brass material, this check valve is durable and sturdy. It is normally used for water, nominal pressure is 232psi. DN25 standard internal female thread is great for many connections. Convenient to use and easy to install, there is an arrow mark to show direction. Specifications: Material: Brass Connection Form: Thread Structure Form: Swing type Nominal Diameter: DN25 Thread: 1BSP Suitable Fluid: Water Pressure: 232PSI Flow Direction: One-way Operating Temperature: Normal temperature Quantity: 1 Weight: 282g(approx.) Package Includes: 1 x Check Valve Package List