A-LOK® Tube Fittings

Parker’s A-LOK® two ferrule compression tube fittings are designed to provide reliable leak-free connections for instrumentation, process and control, and analyzer applications that specify a two ferrule system. Manufactured to the highest quality standards, these tube fittings are available in a broad range of sizes, corrosion resistant materials and configurations.

As standard, Parker’s A-LOK® tube fitting are manufactured from heat code traceable 316 stainless steel. Other materials include 6Mo, Alloy 825, Alloy 625 and Alloy C-276. Straight fittings are machined from cold finished bar stock, while shaped bodies are machined from close grain forgings.

The fittings are available for imperial pipe sizes from 1/16” through to 2” O.D., and for metric sizes from 2 mm through to 25 mm O.D.

Markets:

  • Semiconductor/Microelectronics
  • Chemical
  • Petro-Chemical
  • Power
  • Nuclear
  • Oil and Gas
  • Research Labs

Features/Benefits:

  • Exceptionally wide choice of configuration styles;
    • Tube to male pipe
    • Tube to female pipe
    • Tube to tube unions
    • Port connectors 37˚ flare (AN) to A-LOK
    • Tube to O-ring seal
    • Tube to welded systems
    • Analytical fittings
    • Barbed fittings
  • Parker Suparcase™ surface treatment process for superior material hardening
  • Hardened ferrules provide leak free connections
  • Silver plated nuts provide gall resistance during makeup

Applications:

  • Steam Service Lines
  • Offshore Control Panels
  • Sensing Lines
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