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Valves, Pipe & Tube Fittings

Unilok Corporation

UNILOK established in 1984. We have distinguished ourselves in the design and manufacturing of high performance “Twin Ferrule Compression Tube Fittings” and “Instrumentation Valves” applications.

UNILOK has been able to capitalize on our expert knowledge, oriented towards the new expectations of customers worldwide in the industrial, petro-chemical, offshore, ship building, power plant, environmental and semiconductor industries.

Our outstanding capacity for innovation and our policy of investment in Research and Development as well as Quality Control is Guarantee.

Our well-trained distributors are dedicated to providing our customers with the very best service possible, and this service is backed up by our Performance Guarantee and Systematic Controls are fully committed to utilizing the latest technology and information advancements to provide our customers with maximum support.

Ultra High Purity Fittings & Valves

  • All UNILOK fittings and valves are manufactured with all critical dimensions to exacting tolerances, precise production processes, and strict quality control.

Tube Fittings

  • Uni-Lok fittings are available in various kinds of materials.
  • Straight fittings are machined from cold finished bar stock and shaped fittings from forgings.

PTFE Fittings

  • Uni-Lok PTFE fittings are free from machine oils, loose particles and grease throughout the close cleaning process.
  • The special cleaning for high purity application is available upon request.

Pipe Fittings

  • Pipe fittings for high pressure application are available. The standard pressure ratings for each thread sizes are based on ASME B31.3 at ambient temperature. For the availability of 6000psig and 10000psig, contact us directly.

Relief Valves

  • Compact designed one piece body to reduce space Low friction bonnets to increase both accuracy and to improve consistency of cracking and reseal pressure
  • Lock wire to secure a given pressure setting
  • Identifying color coded springs and labels indicate spring
  • cracking pressure
  • Selective and replaceable springs with narrow pressure ranges

Needle Valves

  • Regulation and shut-off of fluids and gases for wide range of general purpose.
  • Sampling systems, laboratories, corrosive and high pressure service, valves – pressure gauge and cylinder, panel board instrumentation.

Ball Valves

  • Uni-Lok ball valves are designed to be operated in a fully open or fully closed position.
  • The packing adjustment may be required during the valve’s service life.
    Proper installation, materials compatibility, operation and maintenance of these valves are the responsibility of the user. The total system design must be taken into consideration to ensure optimal performance and safety.

Check Valves

  • Every check valve is 100% factory tested with
    nitrogen for cracking and reseal performance.
  • The special cleaning for hign purity application is available upon request.
  • Uni-Lok check valves are designed for directional
    flow control only.

Manifold Valves

  • 2 Way Manifolds – Static pressure and liquid level applications 3 & 5 Way Manifolds – Most differential pressure transmitters with both female and flange process impluse line connections
  • Every valve is 100% factory tested with air and nitrogen at 1000psig for leakage at the seat and packing. Each test is performed to a maximum leak rate of 0.1scc/min

Fine Seamless & Welded Tubing

  • Seamless tubes in straight length, precision cut or coils.
  • 1/8 ~ 1-1/4 OD, 6mm ~ 28mmOD.
  • Welded or semi-seamless (welded, drawn and bead reduced) tubes in straight length, precision cut or coils.
  • 1/8 ~ 2 OD, 6mm ~ 50mmOD.

For more information, please Contact us