Solenoid valves, fluidic solutions


and innovative core technologies

SPIDER®-MICROVALVES

Spider valves are allocated to the micro valve category (outside diameter 7 mm). In technical terms, spider valves are distinguished by the anchor type design. The anchors installed in the micronized valves have the shape of a disk. In energized status, this so-called flat armature is pulled against the magnetic yoke component group.

If the coil is deactivated, the leaf spring joined to the flat armature presses the seal positioned on the spring-armature assembly unit against the valve seat.

These quick-acting valves owing to the small mass of the installed armature achieve switching phases in the millisecond range. As these valves predominantly featuring cartridge connections have an almost frictionless armature movement, they have a capacity of up to 4 billion actuations, depending upon operation mode.

Spider valves may also be triggered via so-called pulse width modulation. In this application, the electrical power is conducted in impulses to the solenoid assembly group; the duration of these impulses controls the valve’s opening phases and subsequently the desired flow rate. These devices may accordingly fulfill the function of a proportional valve.

The Spider-valve is available in sizes 7 mm, 15 mm and 21 mm.

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