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Sphere Detection Switch - General Information



Sphere Detector Switch, Meter Engineers

Meter Engineers is proud to introduce a new dependable and affordable pipeline industry product. We have combined all of the best technology into one switch. Its adaptability to any switch base, with little or no additional expense, makes it a good economical choice.



Outstanding Qualities:
  • Teflon bushing guided for smooth activation. There are no metal-to-metal friction points.
  • Self-purging probe eliminates the need for bleeding air from the switch housing. Also, equalizes internal pressure in the switch housing to eliminate pressure resistance.
  • Self-cleaning - Wiper blade that travels past the magnetic switch, before the activation surface passes, to remove any metallic material that may build up in the magnetic field.
  • No expensive extensions for underground applications. Just add a 1/2" rigid conduit riser to bring the wire termination box to a desired height.
  • No adjustments make this switch easy to replace and very tamper proof.
  • Low maintenance (easy to install Teflon bushing replacement kits.)
  • Adaptability - Adaptable to any switch base on the market with little or no additional expense.
  • Switch Element Performance
        Repeatability: .002" (.05 mm) typical
        Response time: 8 milliseconds
        Operating temperature: -40° F to 221° F
  • All detector switches are hydrostatically tested to 1800 PSI. A higher pressure test can be done at customer request.
  • Every switch mechanism is factory tested for accuracy.
Options:

Two switch elements can be mounted to a housing if a DPDT application is required

For pig receiver applications, we offer a visual flag indicator. It is completely mechanical. When the pig is detected, a spring loaded red flag flips up to a vertical position. The flag can then be manually reset to indicate the next pig.

Specifications
Patent US 6,823,751 B1