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. DN50 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: DN50 Thread: BSP 2" Suitable Fluid: Water Pressure: 232PSI Flow Direction: One-way Operating Temperature: Normal temperature Size: Approx. 8.3 x 10cm / 3.2 x 3.9inch Weight: Approx. 676g / 23.8oz Package List: 1 x Check Valve Note: Please allow small size error due to manual measurement. Thanks for your understanding. Package List 1This is a check valve that allows water to flow through it in only one direction 2Made of high quality brass material, this check valve is durable and sturdy 3It is normally used for water, nominal pressure is 232psi 4DN50 standard internal female thread is great for many connections 5Convenient to use and easy to install