Supervisory Switch

OSY-2 is used to monitor the open position of an OSY (outside screw and yoke) type gate valve. These switches are designed to be mounted on most OSY valves ranging from 2” to 24” (50 mm to 600 mm). The cover is secured with two tamper-resistant screws that require a special tool for removal. Each device comes equipped with this tool.

  • All components feature corrosion-resistant coatings

  • Two conduit entries

  • Adjustable trip rod length

  • Three-position switch detects tampering and valve closure

  • Fine-tuning feature for quick and easy installation

  • Available in one or two SPDT contact models (-1, -2, -3)

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