Welcome to Convoluted Technologies Pty Ltd (Established in 2003)

At Convoluted Technologies Pty Ltd (Convoluted), we pride ourselves on the quality of products and services we deliver to our broad range of clients. We wish to take this opportunity to keep you informed on what Convoluted has on offer to support the hosing and pressure piping industry.

Convoluted head office and main operations are in Seven Hills (a suburb of Sydney) - NSW Australia, from here we supply our products throughout Australia and Overseas.

The company is accredited to the Quality Management System standard: ISO 9001: 2015.

Convoluted is an Australian owned manufacturer of: Composite Bulk hose; Composite hose assemblies; Flexible metal hose assemblies; Interlocked industrial metal hose also known as Strip wound hose; Polygonal interlocked exhaust hose; interlocked metal diffusion armour: Flexi Flue and Bitumen Transfer Hose Assemblies.

We import and stock a range of Thermal Protective fire sleeving like: Silicone coated aerospace grade fibre glass sleeve; plain fibre glass sleeve; ultra-high temperature silica sleeving; stainless steel braid; sleeving attachment crimp rings; custom made hose tags; and stainless steel cable ties.

We have overseas metal casting capabilities in Bronze, Aluminium and Stainless Steel using our own moulds for: Composite hose fittings (Petro-lock and Vapour-Lock); AS2475 threaded hose connections for bituminous materials; Mill specification Camlocks (CT lock); Heavy design industrial BSPT and NPT threaded male hex hose tails (CT hex); and other custom-built fittings.

Convoluted is an endorsed distributor of BEDA-Oxygentechnik lancing equipment and Weinhold WE-ER pressure couplings and steam equipment for Australia and New Zealand.

To compliment the oxygen lancing holders, we also supply the oxygen lance pipes in plain mild steel; Calorized lance; Thermic wire filled Lance; and lance igniters.

Additional services we offer are: industrial oxygen cleaning; Used Bitumen Hose Cleaning and Re-Certification; in-house Hose Pressure Testing; Welding Services like Food Grade Fitting Welding; Pressure Pipe Welding; and Fabrication Services.


  • Custom made composite hose assemblies
  • Fuel Code 1001 composite hose assembly complete with Petrolock end connections
  • Hydrocarbon composite transfer hoses
  • Oil Code 901 composite hoses with stainless steel flanged ends
  • Chemical Code 969 composite hose with 6 inch flanged end
  • Chemical and solvent composite hoses
  • Chemical Marine PTFE Code 971 composite hoses with stainless steel flange ends
  • Chemical Code 969 composite hose with a 6 inch camlock
  • Annular corrugated metal hose assemblies
  • Stainless steel flexible metal refrigeration hose
  • Pump Connectors
  • Cryogenic metal hose assembly
  • Metal gas hose
  • Flexible metal gas hose assembly
  • Stainless steel flexible metal vibration eliminators
  • Super flex flexible metal hose assemblies
  • Metallic hose assembly
  • Braided hose assembly
  • Standard flex hose assembly complete with stainless steel flanges
  • Flanged Superflex metal hose assembly
  • Industrial metal interlocked grain hose
  • Flexible interlockeds metal diffusion armour
  • Polygonal interlocked exhaust hose complete with lap band clamps
  • Pneumatic flexible metal conveyance hose
  • Bitumen fittings  transfer hose assemblies AS2475
  • Flexible metal interlocked bitumen transfer hose
  • Bitumen spayer handbar-hose assemblies
  • Standard flex bitumen transfer hoses
  • Convoluted Technologies products complete with CT Lock couplings
  • CT Lock Camlocks 633B style
  • Female Quick connect coupling 633 C style
  • CT Lock kamlock couplings range
  • Stainless steel mil spec camlock coupling with crimp ferrule
  • CT Lock Camlocks coupling 633C style
  • CT Lock Camlocks 634B style
  • CT Lock mil spec cam and groove couplings
  • CT Hex hose tail NPT thread in stainless steel 316 grade 20 mm to 100 mm NB fully machined long tail
  • CT Hex stainless steel hose tail with crimp ferrule
  • CT Hex hose tail BSPT and NPT thread in Brass 20 mm to 100 mm NB fully machined long tail
  • CT Hex hose tail BSPT thread with seat in stainless steel 316 grade 20 mm to 100 mm NB
  • Silicone coated fibre glass fire sleeving on a flexible metal hose
  • Silicone coated fibre glass fire proof sleeving Silica sleeving Fibre glass sleeving Stainless steel braiding
  • E glass also known as Fibre glass sleeving
  • Stainless steel over braiding
  • Chimney liner with adaptors
  • Flexi flue
  • Flexible flue with adaptor
  • Wood fire flue
  • Purge welding for food industry
  • Fabrication and pressure welding job to the AS 4041 standards
  • Pressure pipe welding to the ASME IX B31.1 Code
  • Pipe spools fabricated by Convoluted Technologies Pty Ltd
  • Pressure pipe TIG welding and fabrication by Convoluted Technologies Pty Ltd
  • Food grade TIG welding assemblies
  • Welders qualification and weld procedures were required for these pipe spools
  • Welding in compliance with the ASSDA food specifications
  • V loop hose expansion joint for earthquakes
  • Fire loop seismic joints for fire sprinklers
  • Flexible expansion loops for water gas fire sprinklers and sanitary
  • Stainless steel hose expansion joint for seismic thermal and building movement

    Contact us

    • Head Office
      Unit 2 / 163 Prospect Highway
      Seven Hills NSW 2147, Australia
      Postal Address
      PO Box 559
      Seven Hills NSW 1730, Australia
    • Sales & Engineering
      F: 02 9838 9611  Int: +61 2 9838 9611
    • Email us
      This email address is being protected from spambots. You need JavaScript enabled to view it.
    • Eastern States Sales Rep
      QLD, NSW, ACT, VIC, TAS:
      Siem  0422 398 298
    • Western States Sales Rep
      WA, SA, NT:
      Jim    0402 582 120
    If you would like more information, please fill in the form below. You will be contacted as soon as possible.
    Please fill in all required fields.
    Fill out my online form.

    Quality Systems

    DNV GL ISO 9001 JAS ANZ Mark

    ISO 9001:2015 Quality Management System standard with the following scope: Manufacture and supply of flexible metal hose assemblies, interlocked metal hose, composite hose, composite hose assemblies, pressure pipe welding & pipe fabrication, thermal protective sleeving and associated products.