Propress G
General
Press connector system with press connectors that use modern cold press connection technology in dimensions ranging from DN 15(1/2”) to DN 100(4”). Propress G system meets the demands of natural gas and liquid propane gas in the vapour state as well as fuel oil system. Copper tube: type A & B hard drawn copper tube from DN15 to DN100 and annealed copper tube in DN15 to DN40. All tube must comply with the AS 1432 standard. Propress fittings are approved for installations in both above and below ground applications
Press Connectors All sizes with SC‑Contur (Smart Connect) – connections which remain unpressed become visible when the system is pressurised. Viega guarantees the identification of unpressed connections in the pressure range 100‑650 kPa, in the case of a dry leakage test with compressed air or noble gases from 2.2‑300 kPa.
Marking
- Viega
- The fitting dimension
- "Gas" etched in several places and painted in yellow
Dimensions / Material Standard sizes: d 15, 18, 20, 25, 32, 40, 50 made of copper. XL sizes: d 65, 80, 100 made of copper. All threaded connectors are manufactured in bronze.
Area of Application
- Natural gas
- Liquid propane gas
- Mixed fuel gases (vapour state only)
- Manufactured fuel gases
- Butane
Special Applications
- Fuel oil heating systems
- Carbon dioxide CO2 (dry)
- Vacuum (max. 730mm Hg (29.2 inches of mercury) or -97 kPa)
- Diesel fuel
- Motor oil
Operating Conditions Fuel gas in vapour state not in the liquid state: 1000 kPa
Ambient temperature range: -25 to 110°C
Irrelevant of the direction of flow, mixed installations are permitted.
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Approvals and Certificates
- Australian watermark approval No. SMK21120
- AS/NZS 5601 compliant
Use of Press Tools The functional safety of the Viega press connector systems is primarily dependent on the perfect condition of the press tools and press machines used. For this reason, the production of press connections, we recommend the use of Viega press tools and their regular inspection by authorised service points.
History
Propress G has been used in Europe since 1999 and in the U.S. since 2004. Propress (water) has been used in Europe since the late 1980s and in the U.S. since the late 1990s for a variety of applications. Viega Propress & Propress G were introduced to Australia in 2006. A world leading plumbing company with over 120 years of excellence back Viega Propress G.
Warranty
Viega Sanpress Inox fittings carry a 25 year warranty against defects in material and workmanship when to specification on AS 1432 complying copper tube.
Technical Data
Press connectors and components are consistently being optimised. If required, the current Z and installation dimensions can be obtained from the download area of the Viega Australia homepage: www.viega.com.au
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