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60 Series-High Pressure Fittings,Nipples and Tubing


Hikelok Coned-and-Threaded Connection fittings and tubing. With max 60000psig,a complete range of unions, elbows, tees, and crosses is available for all of the tubing connection sizes. The high and ulta-high pressure series uses Autoclave’s type high pressure connector. This coned and- threaded connection provides dependable performance in gas or liquid service.


  • Coned-and-Threaded Connection

  • Available sizes are 1/4,3/8, 9/16, and 1”

  • Operating Temperatures from -423°F (-252°C) to 1200°F (649°C)

  • Working pressure:1/4, 3/8 and 9/16 in: 60000 psi (4136 bar) and 1 in: 43000 psi (2964.7 bar) Fittings and tubing manufactured from 316 cold worked stainless steel

  • Anti-vibration collet gland assembly sizes from 1/4 to 1 in. (6.35 to 25.4 mm)

  • Moving the stress concentration back to the unthreaded part of the tubing and providing a wedge-typegripping action

  • Completely interchangeable with standard Hikelok 60 series medium pressure connections

  • Anti-vibration collet gland assembly strengthens the entire structure


  • Hikelok 60 series high pressure fittings are designed for use with 60 series high pressure valves

  • Hikelok 60 series high pressure tubing is manufactured specifically for high pressure applications

  • Hikelok supplies precut,coned-and-threaded nipples in various sizes and lengths for 60 series high pressure valves and fittings

More Options

  • Optional anti-vibration connection components

  • Optional 60 series tubing,coned-and-threaded nipples and anti-Vibration collet gland assemblies

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