The30D03Y/30D03Rself-operated differential pressure control valveis composed of the control valve ，actuator and a spring used for pressure setting。It is suitable for controlingdifferential pressure in the pipes of non-corrosive liquids, gases and steams.when the valve is closed

The main features are as follows:

1.It has the pressure balancing function with high sensitivity.

2.Low noise, reliable performance, free of maintenance

3.The standard modular design is adopted.

4.Various combined controls can be carried out through theassemblies.