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The 30D02Y 30D02R self-operated (before-valve) pressure control valve is composed of the control valve, actuator and a spring used for pressure setting. It is suitable for controlling before- valve pressure in the pipes of non- corrosive liquids, gases and steams. When the before-valve pressure rises, the control valve is opened.
The main features are as follows:
1.It has the pressure balancing function with high sensitiity.
2.Low noise ,reliable performance, free
of maintenance
3.The standard modular design is adopted.
4.Various combined controls can be carried out through the assemblies.
Technical parameters and performances
Body
DN 15、20、25、32、40、50、65、80、100、125、150、200、250mm
PN Class150、300
Flange standard ANSI、JIS、DIN GB JB(special standards can be offered according to user requirements)
Body material WCB、CF8、CF3、CF8M、CF3M
Plug material Hard seal Stainless steel (304、316、316L)
Soft seal Stainless steel embedded with rubber ring
Pressure balancing Stainless steel bellows (DN15~125), balanced diaphragm (DN150~250)