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300 series control valve characteristics
• pressure balance (bellows or balanced diaphragm)structure design, high sensitivity, high accuracy, good stability, wide adjusting range • low noise, maintenance free, energy saving and environmental protection • standard modular design • by assembly can be combination of control
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Summary
The30D12Y/30D12R pilot-operated (after valve) pressure control valve is composed of the control valve , pilot and actuator .It is suitable for controling differential pressure in the pipes of non-crrosive liquids, gases and steams. when the diferential pressure rises, the control valve is closed .
The main features are as follows:
1. It has the pressure balancing function
2. Low noise, reliable performance, free of maintenance
3. The standard modular design is adopted.
4. High control precision
Body
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DN
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15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250mm
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PN
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Class150, 300
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Flange standard
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ANSI, JIS, DIN GB JB(special standards can be offered according to user requirements)
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Body material
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WCB, CF8, CF3, CF8M, CF3M
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Plug material
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Hard seal
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Stainless steel (304, 316, 316L)
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Soft seal
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Stainless steel embedded with rubber ring
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Pressure balancing
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Stainless steel bellows (DN15~125), balanced diaphragm (DN150~250)
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