Emergency Shutdown System (ESD)

What is ESD?

An emergency shutdown system or ESD system is a highly reliable control system for providing a safety layer during emergency situations. It helps to prevent situations from having catastrophic impacts economically, environmentally, or operationally. Emergency Shutdown Systems in any plant minimizes injury to working personnel & the environment or damage to equipment, by protecting against leaks, hydrocarbon escape, fire outbreaks, explosions, etc. The application of emergency shutdown systems has been substantiated in the oilfields (oil well heads), Nuclear plants, oil and gas processing plants, steam and gas turbine power plants, chemical & petrochemical plants, boilers, geothermal industries, etc. During an emergency situation, the process operations are stopped by the ESD system, therefore, isolating the hazard to escalate.

Functions of an Emergency Shutdown System

All emergency shutdown systems should always work at the back-end throughout the plant operation as it is one of the main security systems. The major functions of an emergency shutdown system are:

  • Shut down of the system or equipment during a critical situation
  • Isolate electrical equipment
  • Proper control of ventilation during an emergency
  • Stop or isolate hydrocarbon sources from potential hazard situations
  • Blowdown and depressurization
  • Prevent dangerous event escalation like prevention of ignition and explosion
  • To protect personnel, asset, and the environment

Note that critical situations may be triggered in any plant by various factors but emergency shutdown systems should be able to handle those in an effective manner.

ESD at Havayar Control Pishro

Different brands in the very competitive ESD Systems market offer various different capabilities and options. Therefore, at Havayar Control Pishro, we propose market leader brands such as SIEMENS, HIMA, Schneider Electric, SUPCON (as direct AGENT), …, considering end user’s demands and limitations.

Our target market includes and not limited to the following industries:

  • Oil & Gas
  • Petrochemical
  • Steel
  • Food & Beverages
  • Pharmaceutical
  • Water & Waste Water Treatment
  • Automotive

We at Havayar Control Pishro offer preparing ESD systems based on our customer’s desire during all stages of job from basic and detailed design to panel building and commissioning.

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