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、DN40 standard internal female thread is great for many connections 5、Convenient to use and easy to install 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. DN40 standard internal female thread is great for many connections. Convenient to use and easy to install. Specification: Material: Brass Color: Yellow Connection Form: Thread Structure Form: Swing type Nominal Diameter: DN40 Thread: BSP 1-1/2" Suitable Fluid: Water Pressure: 232PSI Flow Direction: One-way Operating Temperature: Normal temperature Size: Approx. 8.5 x 7cm / 3.3 x 2.8inch Weight: Approx. 445g / 15.7oz Package List: 1 x Check Valve Note: Please allow small size error due to manual measurement. Thanks for your understanding. Package List