Access Fittings in Piping Systems

Access fittings are specialized components used in piping systems to provide a secure connection point for installing corrosion monitoring probes, chemical injection systems, or other instrumentation. They enable safe insertion and removal of corrosion monitoring devices, chemical injection equipment, and sampling tools while systems remain under full operating pressure.

They are widely used in industries such as oil & gas, petrochemicals, and power generation, where continuous operation and safety are critical. They are available in various configurations including flareweld, flanged, and buttweld designs and can handle high pressures.

The access fitting assembly typically consists of three main components: the fitting body permanently attached to the piping system, a solid or hollow plug assembly that carries monitoring devices, and a protective cover that shields external threads. The correct selection of material, pressure rating, and installation method is essential for performance and safety. Access fittings enable technicians to carry out inspections, sampling, and injections without costly shutdowns.

This page provides links to detailed guides on design requirements, types, and data sheets for different access fittings. Explore the resources below to learn more about access fitting types, their applications, data sheets and specifications.