Safety Cycling Systems strives to offer the highest quality safety devices designed for specific use in critical shutdown systems in oil production fields (wellpads), pipelines, petrochemical plants and refineries.

Safety Saves

Safety saves not only by reducing risks of environmental, exposure, legal, and reputational damage.  It can also save production cost and loss of revenue.

Our technology allows for greater ability to control, diagnose, and solve problems from the control room rather than in the field.  We provide end to end system diagnostics for Critical Safety Shutdown Systems of reactive chemical processes including full stroke on-line valve testing which will increase safety levels and reduce the costs associated with spurious trips.

  • Increase revenue
  • Increase safety
  • Maintain nearly 100% diagnostic coverage
  • Maintain process flow
  • Reduce failures
  • Reduce spurious trips



Hidden Failures are the most dangerous failures, resulting in explosions, fire, or leak of lethal chemicals into the environment

End Devices represent the greatest occurrence of SIS failures

Block Valves represent 40-50% of safety loop operational problems

ISA 2004


The most difficult part of SIL compliance is the testing of final elements, especially emergency block valves.

Angela Summers, SIS-TECH