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Alcatraz Interlocks; the key to your safety in the oil and gas industry


Since its founding in 1993, Alcatraz has developed into an international operating company with representations worldwide. The company produces a wide range of interlock systems and related services that meet the highest quality requirements. The main office is located in the Netherlands.

Preventing Potentially Hazardous Situations

Even knowledge, skill, caution and written procedures can not permanently guarantee safe operation during production or maintenance. At times, human failure even defeats the most advanced electronic safety measures. Alcatraz interlocks designs, manufactures and installs interlocking systems to prevent potentially hazardous situations caused by errors in the operating sequence of industrial processes. With Alcatraz interlock systems the operator is simply forced to follow a predetermined sequence by means of a mechanical coded key transfer.

Alcatraz at Critical Places

Alcatraz interlocks are successfully in use in the oil and gas industry, chemical industry and off shore industry.
Also the automotive, food and beverage industry have discovered the advantages of the Alcatraz products. Alcatraz Interlocks are recognized and accepted as an effective safety management tool.

Among the standards for specific process applications are:

  • EN 1088 (ISO 14119)
  • API RP 520 – Pressure Relieving Systems for Refinery Services.
  • BS EN62061:2005 Safety of machinery – Functional safety of safety-related electrical, electronic and programmable electronic control systems.
  • BS PD 5304:2005 Safe use of machinery.
  • BS EN 954-1 1997 Safety of machinery.
  • BS EN 1037:1996 Safety of machinery: Prevention of unexpected start up.
  • BS EN 60812:2006 Analysis techniques for system reliability. Procedure for failure mode and effects analysis (FMEA).

The applications include numerous critical installations like: changeover of pressure relief valves, loading and unloading of pig traps, sampling devices, industrial mixers and separators, filters and granulators. Alcatraz interlocks also safeguard the coupling and uncoupling of loading arms and hoses on discharge and loading stations.

Alcatraz key exchange boxes KEB N-N Oil and gas industry Alcatraz single key closure door lock, type SDL CL, mounted a pig closure door

A Cut and Dried Solution for Each Problem

Alcatraz is famous for its innovative and flexible engineering department. In close co-operation with the customer, Alcatraz develops a safety system specially designed for the individual situation. Alcatraz offers effective and reliable safety systems safeguarding the most complex operating sequences, special locks for pneumatic valves, loading and discharge equipment or switches.
To reduce delivery time, Alcatraz maintains a stock of most major parts of its safety systems.

Alcatraz Meets the Highest Standard

The Alcatraz interlock systems are patented. All interlocks are produced according ISO9001, are T.Ü.V. approved and come with a declaration of conformity (CE). The standard material used is stainless steel 316. To ensure smooth operation, the parts are electro polished were applicable. Alcatraz interlocks are sand, dirt and fire resistant and will survive a drop of more than 25 meters. With over 20.000 different key combinations, the Alcatraz interlock systems are highly flexible in use and impossible to copy.