ITEM NAME:Internal Thread Brass Check-Back Swing Type Horizontal Check Valve 1.6Mpa T Q3C7 Internal Thread Brass Check-Back Swing Type Horizontal Check Valve 1.6Mpa T Q3C7 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. The working medium is water, the nominal pressure is 1.6 MPa, and the working temperature is -10 ° C less than equal t less than equal 120 ° C.DN40 standard internal female thread is great for many connections.Convenient to use and easy to install. Connection Form: Thread Structure Form: Swing type Nominal Diameter: DN40 Thread: BSP 1-1/2 inch Suitable Fluid: Water Flow Direction: One-way Inner diameter: 40mm colour:yellow Material:copper Package Contents: 1 * Check valve