PIBV2 Supervisory Switches

The PIBV2 supervisory switch monitors the open position of post indicator and butterfly control valves. The PIBV2 provides robust construction, flexibility, simplified operation and reliable performance.


  • NEMA 3R rated enclosure
  • Bi-directional actuator accommodates rising or falling flags
  • Adjustable length actuator eliminates the need for cutting the shaft
  • Two SPDT contacts are enclosed in a durable terminal block for added strength


Agency Listings and Approvals:

  • UL/ULC
  • FM Approved
  • CSFM
  • FDNY