Features: _x000D_ This is a check valve that allows water to flow through it in only one direction. _x000D_ Made of high quality brass material, this check valve is durable and sturdy. _x000D_ It is normally used for water, nominal pressure is 232psi. _x000D_ DN15 standard internal female thread is great for many connections. _x000D_ Convenient to use and easy to install, there is an arrow mark to show direction. _x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Brass _x000D_ Connection Form: Thread_x000D_ Structure Form: Swing type_x000D_ Nominal Diameter: DN15 _x000D_ _x000D_ Thread: 1/2BSP_x000D_ Suitable Fluid: Water _x000D_ Pressure: 232PSI _x000D_ Flow Direction: One-way _x000D_ Operating Temperature: Normal temperature_x000D_ Quantity: 1 _x000D_ Weight: 125g(approx.) _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Check Valve 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 4DN15 standard internal female thread is great for many connections 5Convenient to use and easy to install, there is an arrow mark to show direction