Flare Systems

Digital SoundProof® Pilot Monitoring System

The John Zink Digital SoundProof® Pilot Monitoring System is an advanced, grade-mounted acoustic monitoring solution designed to ensure continuous, fail-safe pilot flame verification. By detecting the unique sound signature of the pilot flame, it provides instant, accurate flame status—even in harsh conditions. 

Overview

Instant Ignition. Maximum Reliability.

The John Zink Digital SoundProof® Pilot Monitoring System revolutionizes pilot monitoring by using sound detection technology to continuously verify pilot status. Unlike traditional systems, SoundProof® listens for the unique acoustic signal produced by the pilot flame through the flame front ignition line, eliminating the need for direct heat or light detection. 

This fail-safe system ensures immediate response if a pilot is extinguished and supports up to four pilots simultaneously, allowing operators to monitor each individual flame. Its at-grade mounting enables easy installation and maintenance—all while keeping critical components outside the high-heat zone, extending system lifespan and reliability. 

Designed for continuous operation in extreme weather conditions, the Digital SoundProof® Pilot Monitoring System is the next-generation solution for reliable pilot verification in flare gas recovery units, industrial flare stacks, and offshore platforms. 

a close-up of a digital device

Features

  • Fail-Safe Flame Verification – Detects pilot flame status in real-time with high accuracy. 
  • Grade-Mounted Design – All components remain outside the high-heat zone, extending system lifespan. 
  • Monitors Up to Four Pilots – Simultaneously tracks multiple pilots with individual signal processing. 
  • Acoustic Sensor Technology – Uses the pilot ignition line for sound transmission, ensuring reliable detection. 
  • Instant Response Time – Issues an alarm within seconds if a pilot flame is extinguished. 
  • Remote Monitoring Capabilities – Digital and analog outputs provide real-time data for control room integration. 
  • Self-Checking Calibration Loop – Runs internal diagnostics at regular intervals to ensure system functionality. 
  • Weather-Resistant & Rugged Design – Designed for harsh environments, ensuring uninterrupted performance. 
  • Compatible with John Zink Pilots – Works seamlessly with EEP Series, WindPROOF™, and InstaFire® pilots.

Benefits

  • Increased Safety & Reliability – Eliminates guesswork and ensures flare pilots remain lit for proper waste gas disposal. 
  • Rapid Response – Instant alarm notification if a flame is lost, preventing unburned gas emissions. 
  • Minimal Maintenance Required – No moving parts, no exposure to extreme heat, and self-diagnostic capabilities. 
  • Lower Operational Costs – Eliminates costly shutdowns by enabling maintenance without stopping flare operation. 
  • Extended System Lifespan – No thermocouples or infrared sensors required, reducing wear and tear. 
  • Simple Installation – Uses existing flame front ignition lines, requiring no additional piping or tubing. 
  • No Impact from Weather Conditions – Functions reliably in rain, snow, wind, and extreme temperatures. 
  • Seamless Integration – Works with existing John Zink control systems and provides multiple output formats.
Additional Offerings

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