What is the difference between MegaPress and ProPress?
“Viega ProPress is the cleanest system that you can install. Viega MegaPress in carbon steel is the first press system for black iron pipe that can be installed in both hydronic and gas applications. The patented Viega Smart Connect feature is the only proven method in the industry to verify a secure pipe connection.
What is the green dot on Viega ProPress fittings?
A green dot on a Viega ProPress, MegaPress fitting indicates Smart Connect technology with an EPDM sealing element.
Can Viega ProPress be used on steam?
The list below shows which Veiga ProPress and MegaPress systems are rated for steam use: 304 Stainless and 304 Stainless XL (FKM) is approved for use in Low Pressure Steam Applications, max 15 psig / max 248 deg F.
What is the minimum distance between ProPress fittings?
The Viega ProPress System revolutionized the way pipes are joined by reducing connection time to 7 seconds or less and eliminating the need for burn permits and fire watches….
| Tubing Diameter | Minimum Distance (inches) | Minimum Distance (mm) |
|---|---|---|
| 2 in | 3/4 in | 20 mm |
| 2-1/2 in | 5/8 in | 15 mm |
| 3 in | 5/8 in | 15 mm |
| 4 in | 5/8 in | 15 mm |
Can you use MegaPress on potable water?
Viega MegaPress Stainless and ProPress Stainless pipe fittings are available in two lead-free grades: 304 and 316. The latter is engineered for potable water systems in commercial and industrial environments, with more than 200 configurations available in sizes ½” to 4″.
How long does a ProPress fitting last?
How long will ProPress last? Re: ProPress Longevity? the Viega company offers a 50 year warranty on ProPress fittings. Uponor’s aquaPEX is 25 years.
Can you use ProPress on a boiler?
Devix Heating and Cooling uses ProPress for nearly all its water heater and boiler repairs and installations.
Can Viega MegaPress be used for steam?
Viega offers two types of factory-installed sealing elements in its MegaPress carbon steel fittings for steam pipes: EPDM and FKM. Fittings with an EPDM sealing element are marked with a green dot and are approved for residential applications up to 5 psi or approximately 227°F on a steam saturation chart.
How far away from a solder joint can you ProPress?
three tube diameters away
Can you solder next to ProPress fittings? Yes. When soldering next to ProPress fittings, the installer must remain at least three tube diameters away from the connection to prevent damage to the sealing element.
Do you have to clean copper for ProPress?
Unlike soldering, ProPress fittings do not need a completely cleaned pipe to work.
Can Viega MegaPress be used on galvanized pipe?
Galvanized steel pipe No If the surface of the galvanized pipe is smooth, then no preparing is necessary. Pipe with black shellac or lacquer Yes If the pipe is coated with black shellac or lacquer, the coating has to be smoothed. It is not necessary to completely remove the coating.