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Convoluted Technologies Pty Ltd


Convoluted Technologies is an Australian-based and owned manufacturer of hose and fittings, expansion joints, fluid transfer, pressure piping and associated products.

Contact Information

Unit 2, 163 Prospect Hwy

Seven Hills


Australia - 2147

Phone : + 61 2 9838 9599
Fax : +61 2 9838 9611
Mail : [email protected]
Website :
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At Convoluted we pride ourselves on the quality of products and services we deliver to our broad range of clients and industries.

Our expertise in our field assures our clients reliable and consistent quality supply of products manufactured in our own facilities, or by carefully selected reputable international partners.

We would like to take this opportunity to keep you updated on what our company has on offer.

Convoluted’s head office and manufacturing facility is based in Seven Hills (NSW) supported by facilities in Keysborough (VIC) and Bibra Lake (WA); from here, we can service our customers all over the country in many different industries.

No of Employees : 36
ACN : 106 228 415
ABN : 94 106 228 415
Year of Establishment : 2003
Post Box Number : 559
Post Box Zip Code : 1730
Post Box Locality : Seven Hills
Post Box Region : NSW

Key Personnel

Business & Product Development Director:  Siem Veltstra

We are an Australian manufacturer of:
· Composite Bulk hose
· Composite hose assemblies
· Flexible metal hose assemblies Australian Gas (AGA) and Watermark approvals
· Interlocked metal hose also known as Strip wound hose for exhaust and pneumatic conveyance applications
· Bitumen Transfer Hose Assemblies and AS2475 bituminous end connections

We import and stock:
· Rubber expansion joints from 25 mm to 600 mm Nominal bore, in EPDM, Nitrile and Neoprene, with table D/E, ANSI  150 and Din 16
· Stocked Standard metal exhaust bellows
· Custom engineered metal expansion joints
· Thermal Protective silicone coated fire sleeving in cut Lengths and full boxes Silicone coated aerospace grade fibre glass sleeve, plain fibre
  glass sleeve, ultra-high temp silica sleeving, stainless steel braided sleeve and crimp rings.
· CT Lock Mill Spec SS316 stainless steel Cam locks
· CT Hex BSPT and NPT Male Hose Tails

We distribute:
· Beda oxygen lancing equipment
· Lance pipes
· Weinhold pipe and hose fittings
· Dry break and breakaway couplings
· Ship to shore and ship to ship solutions in Composite and Rubber
· Hand build rubber hose
· Hose handling solutions slings and trolley's

Our services include:
· Fabrication and welding services of pipe spools, manifolds and special fittings
· Bitumen hose cleaning and recertification


VIC Branch

41 Atlantic Dr
Keysborough  VIC  3173

P +61 3 8587 9300

WA Branch

Unit 1, 24 Horus Bend
Bibra Lake  WA  6163

P +61 8 9434 9899

Quality Assurance

Convoluted Technologies Pty Ltd maintains certification to ISO9001:2015, AS 4631 Australian / New Zealand gas approval (AGA approval) and WMTS-520 Water mark license.

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