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.
DN20 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
Size: 3'' ( 2.0kg ) , 4'' ( 3.7kg )
Connection Form: Thread
Structure Form: Swing type
Nominal Diameter: DN20
Suitable Fluid: Water
Pressure: 232PSI
Flow Direction: One-way
Operating Temperature: Normal temperature
