Precise actuation of each micro switch is factory adjusted by positioning individual switch triggers mounted on the actuator shaft. Field installation of this option is not available. Contact factory for further information.

The reeds are hermetically sealed into the glass capsule in a cantilever fashion so that the ends align and overlap, while maintaining a small gap between them. The floating end of each reed will assume opposite magnetic polarity when brought into the proximity of a magnetic field. When the magnetic flux density is sufficient, the attraction force of the opposing magnetic poles will overcome the reed stiffness causing them to flex towards each other and make electrical contact. Since these switches have no mechanical parts to wear out this operation can be repeated millions of times.

The characteristic life expectancy of these switches is rated at 100 million cycles, provided electrical ratings are not exceeded. 

Contacts normally open, 110-120VAC, 0.5 amperes and 10 watts maximum. MDC reed switch position indicators will operate at temperatures ranging from (-) 40°C to (+) 125°C.

24VDC and 240VAC solenoid valves are optional and available by adding the option numbers to the end of the specific angle or inline valve part number. All solenoid valves are fitted with DIN type connectors that conform to international standards. DIN connectors provide simplicity, convenience and fast, easy electrical installation. Solenoid valves come standard with push button / spring return manual override. The manual override is located at the top of the solenoid and identified by a prominent red push button.

Air control solenoid valves are designed for use with compressed air from 0 to 125psig. Media should be clean and uncontaminated. When in doubt, install a filter with a 40 micron filtering capacity. Periodically remove and clean or replace filter element.

As with standard poppet seals, Kalrez® elastomer seals have a small amount of Krytox® LVP vacuum grease applied at the time of installation. Vacuum grease should be applied to elastomer gaskets in order to maximize its sealing properties and extend its cycle life. 

Installation of a poppet seal is accomplished by pressing an O-ring into the poppet groove first at the 12 and 6 o’clock positions then at the 3 and 9 o’clock positions, etc. Pressing the O-ring into the groove in this manner avoids twisting the O-ring. 

Note that Kalrez® has a much faster permeation rate for helium than does Viton®.