STAR Super Seal Key Lock - SSKL

Offering a wide variety of unmatched sizes and pressures with our jointed fiberglass pipe.


Our STAR™ Super Seal-Key Lock (SSKL) achieves faster and easier installation with our jointed fiberglass pipe. With sizes spanning 8"-40", SSKL can withstand pressures of 300 to 3,000 psi and with temperatures of 150°F (65°C), 200°F (93°C) & 212°F (100°C) designs available.

Our high-pressure designs are laminate designed using API 15HR and ISO 14692 procedures making it a reliable and trusted product in our Fiber Glass Systems portfolio. Its unique joining system specializes in the key-lock method of a self-restrained joint offering a quick assembly, by utilizing ductile locking keys for mechanical restraint. Joint is directly inserted with no rotation. Available with 1 or more locking keys depending on pressure requirements. Hydrostatic seal is made by means of an elastomeric O-ring.


  • Potable Water
  • Produced Water
  • Waste Water
  • Seawater
  • Crude Oil & Gas
  • Brine
  • CO2 and Sour Services
  • Drainage Systems
  • Sewage
  • Brackish Water
  • Pipe Rehabilitation
  • General Industrial Service
  • Hydrogen*

*SSKL is ideal for large diameter & high pressure hydrogen transport pipelines and underground storage grids

  • STAR Super Seal Key Lock Product Data Sheet

  • Produced Water Transfer Lines Case Study

Close up shot of a NOV 16inch Keylock in a manufacturing facility
Image of an NOV employee measuring NOV 16inch Keylock in a manufacturing facility
Angled shot showing the full length of NOV 16inch Keylock on stands in a manufacturing facility

20-inch Star Super Seal Key-Lock Demo Video

A demonstration of Fiber Glass Systems Super Seal Key-Lock connection system technology.

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