Eccentric rotary control valve has excellent stability, resistance to erosion and corrosion resistant, reliable seal and the advantages of large flow adjustable range.
Prouction Description
Eccentric rotary control valve is a valve core is on the surface of the spherical cap eccentric Angle of schedule control valve, the one-piece, straight type runner body structure, the rotary center of the valve core is not concentric with the axis of rotation, can reduce the seat wear and prolong service life. It has excellent stability, resistance to erosion and corrosion resistant, reliable seal and the advantages of large flow adjustable range. In addition, the series of control valve compact structure, output torque, action quick, steady, long service life and can be widely used in petroleum, chemical industry, coal chemical industry, electric power, metallurgy and other industrial control area and heavy load.
TECHNICAL PARAMETERS
Nominal Size | DN25~DN300 |
Pressure Rating | PN16/25/40/63/100;CL150(PN20)/300(PN50)/600(PN110) |
Operating Temperature | -46℃~450℃ |
Characteristics | Approximate linear |
Rangeability | 100:1 |
Seat Leakage Class | ANSI B16.104: IV、V、VI |
Body Material | WCB/WCC/LCB/LCC;WC6/WC9;CF8/CF8M;4A/5A etc. |
Trim Material | Metal：304+SN/304+SN；304+ST/304+ST；Soft：304+HCr/RTFE |
Seal Material | PTFE+ graphite v-shaped packing, flexible graphite ring packing, graphite +PTFE braided packing etc. |
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