1.Product use

Relief valve is a kind of pressure control valve, which is mainly used in the hydraulic circuit of the system. It can be used as a constant pressure relief valve or safety valve, and can also be used in the hydraulic system subject to external impact force and inertia force. The valve has the advantages of small vibration, stable operation, convenient installation, and the control pressure can be adjusted according to the user.

2.Function symbol and product model meaning

3.Relief valve hc-h20l outline drawing