What We Do


Our technical expertise covers:

  • High-precision infrastructure of piping systems
  • Pastefill
  • Hydraulic network analysis
  • Pipe stress analysis
  • Transient analysis (water hammer, surge, etc)
  • High pressure dewatering columns and pump selection
  • Piping design to AS 4041, ASME B31.3, B31.4 and B31.6
  • Pressure vessel design to AS 1210 and ASME BPVC
  • Valve design using FEA and CFD
  • Slurry pump calculations
  • Process plant fluid flow

In-house Services

Inhouse Complex Fabrication and Maintenance

    • Precision Pipe Spool Fabrication
    • Elbows, Tees, Flanges,
    • Engineered piping systems in exact accordance with our customers’ design requirements.
    • ASME, AWS D1.1, API, NACE MR0175, AS2885, AS 4041
    • Structural and conductor casing and pipeline welding
    • Piping Processing
    • Cut to length


PSI is proud to be the Australian Authorized Dealer for the Mining and Energy Sector of the full range of Gruvlok® products and Valves.

    • Line pipe (DN150 and DN200, ERW or seamless, cut to length, grooved or ringed, painted or galvanized)
    • Bends (3D and 5D)
    • Gruvlok couplings (a US-manufactured alternative which is entirely compatible with Victaulic grooves)
    • Valves for all applications
    • Pressure transmitter spools

Site Support

On site we execute projects in a safe, reliable, and timely manner. 

  • Paste reticulation installation
  • Operational campaigning
  • System commissioning
  • On-site analysis, de-bottlenecking and troubleshooting
  • Installation and maintenance of paste pumps, valves and related systems
  • Paste plant maintenance
  • HDPE fabrication
  • Dam lining

Our Partners