Stainless Steel Press-Fit Systems
Stainless Steel Press-Fit for Potable Water & Gas Systems
One System. Trusted Performance Across All Applications
When it comes to potable water and gas systems, safety, durability, and compliance are non-negotiable. AusPress stainless steel press-fit systems are purpose-built to exceed industry standards, offering a clean, corrosion-resistant, and efficient solution for delivering water and gas in a wide range of applications—from high-rise buildings and commercial kitchens to industrial facilities and healthcare environments.
With certified performance and flame-free installation, AusPress stainless steel press-fit is the smarter choice over copper, PEX, and carbon steel alternatives.
Material Comparison: Stainless Steel vs Alternatives






Material | Potable Water Safety | Gas Suitability | Corrosion Resistance | Installation Time | Service Life |
Stainless Steel | Excellent (AS/NZS 4020) | Excellent (AS/NZS 5601) | Excellent (no rust/leach) | Fast (press-fit) | 50+ years |
Copper | Good (prone to corrosion in aggressive water) | Good | Moderate | Moderate (soldered) | 30-50 years |
PEX / Plastic | Good | Limited (not for all gas) | Moderate (external only) | Fast | 20-30 years |
Carbon Steel | Poor | Moderate (subject to rust) | Poor | Slow (welded/threaded) | 10-20 years |
Galvanised Steel | Poor | Not recommended | Poor (coating degrades) | Slow | 10-15 years |
Why Choose Stainless Steel Press-Fit for Water & Gas?
Hygienic & Non-Leaching for Potable Water
Our stainless steel tubing is certified to AS/NZS 4020 for use with drinking water, ensuring no leaching of metals or contaminants. Its smooth internal surface resists scaling and bacterial growth, delivering clean, safe, and taste-neutral water from plant to tap.
Gas-Safe and Pressure-Rated
AusPress press-fit systems are suitable for natural gas and LPG installations, with gas-rated fittings, high-pressure resistance, and AS/NZS 5601 compliance. Ideal for residential, commercial, and industrial gas networks.
Corrosion Resistance in All Environments
Unlike copper or carbon steel, stainless steel withstands corrosive and aggressive water conditions, as well as external chemical exposure—making it ideal for coastal, industrial, or buried installations.
Fast, Flame-Free Installation
With no soldering, welding, or threading, our mechanical press-fit technology delivers fast, clean installations. This dramatically reduces site risk and saves time in projects with tight deadlines or confined workspaces.
One System, Multiple Applications
Use the same press-fit system across multiple services—cold water, hot water, gas, compressed air, greywater, and more. This reduces material variation, installation complexity, and maintenance training.
Applications Across All Sectors
- Residential & multi-residential water and gas services
- Commercial kitchens and hospitality venues
- Industrial processing and gas-fed manufacturing
- Hospitals, aged care, and healthcare facilities
- Schools, defence, and public infrastructure
- Mining, marine, and chemical industries
Why AusPress?
AusPress is a leading Australian supplier of certified stainless steel press-fit systems trusted by plumbers, builders, and hydraulic consultants nationwide. We provide complete piping solutions backed by technical support, stock availability, and compliance documentation.
✔ AS/NZS 4020 (Potable Water)
✔ AS/NZS 5601 (Gas Installations)
✔ High pressure ratings (up to 1,600 kPa)
✔ ActiveFire & WaterMark certified
✔ Suitable for above and below-ground installation
Choose One System That Does It All
Whether you’re running hot or cold water, LPG or natural gas, AusPress stainless steel press-fit delivers the safety, speed, and strength your project demands.- Contact us today for specifications, BIM files, or technical advice, 1300 AUSPRESS (1300 287 773)
- Or request a quote for your next potable water or gas system installation.