Product Overview Solenoid Valves - BURKERT FLUID CONTROL SYSTEMS - #9

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table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:7.00pt "Arial", sans-serif; } .font1 { font:7.20pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:17.00pt "Arial", sans-serif; } .font4 { font:20.00pt "Arial", sans-serif; } 16 Burkert | Solenoid Valves Direct Acting: Rocker Electrical connection Rocker armatures demonstrate extremely high cycle life and are constructed both with and without an isolating diaphragm. In each case energy applied to the coil moves a horizontal, low mass rocker moves around a fulcrum between the seats with very little frictional consequences, sealing against one of two vertically oriented seats. This operational concept works well for both 2/2-way and 3/2-way versions and the system also provides a reasonable amount of resistance to back-pressure. All ports are accommodated in the same plane in the valve body or in-line on a manifold. Without the diaphragm the valves are used for the control of neutral gases and liquids and are frequently employed as a pilot for pneumatic valves in both hazardous and non-hazardous areas. When a diaphragm is integrated into the design, to separate the mechanics of the valve from the fluid path, the valve can be used for agressive fluids and as such they are employed either as stand alone valves or as isolated pilots for larger servo assisted valves. The rocker design with integrated diaphragm forms the basis of the MicroFluidic range where small dead volumes and flushability are of prime importance. Compact design and low heating effect from the small but efficient coil enhance the suitability for aggressive or ultra-pure media and this can be further enhanced by the use of impulse coils or by booster electronics. These valves are available in AC, DC and UC voltages and are available with explosion protection Ex-i (intrinsically safe). Rocker Solenoid coil Spring Diaphragm Valve body Direct acting 3/2-way rocker valve type 6627 De-energized Energized You can find the 3D-animation of this functional schema in the PDF version of this brochure.