What is the difference between MegaPress and MegaPressG?
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What is the difference between MegaPress and MegaPressG?
MegaPress comes with an EPDM sealing element, while MegaPressG has an HNBR sealing element. FKM sealing elements are available in MegaPress fittings as well as MegaPress 304 or MegaPress 316 stainless fittings. MegaPress 316 is also available with an EPDM sealing element.
Is Viega ProPress rated for steam?
ProPress and ProPress XL (EPDM) is approved for use in Low Pressure Steam Applications, max 15 psig / max 248 deg F. MegaPress (EPDM) is approved for use in Low Pressure Steam Applications, max 15 psig / max 248 deg F.
How many applications is Viega ProPress approved for?
225 applications
In fact, Viega ProPress Copper is approved for more applications than any other press fittings system and Viega ProPress Stainless is approved for more than 225 applications.
Can you use Viega ProPress on soft copper?
Viega ProPress may only be pressed onto copper tube in accordance with ASTM B88 or B75. When pressing onto B88 copper tube, types K, L, and M may be used. Tempers O60 and O50, known as soft copper, are limited to nominal sizes ½” to 1¼”. Temper H58, known as hard copper, may be used with nominal sizes ½” to 4″.
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″.
Can you ProPress m copper?
ProPress® and ProPress XL (Copper) are safe, reliable and economical copper pipe installation systems that use modern cold press connection technology. Viega® ProPress fittings are for use with type K, L and M hard copper tubing from ½” to 4″ and soft copper tubing in ½” to 1¼” diameters.
How far from a solder joint can you ProPress?
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.
Can you ProPress copper gas line?
ProPress G can be used to install copper gas piping as long as the gas supply contains less than 0.3 grains of hydrogen sulfide per 100-scf of gas (0.7mg/100L), per NFPA 54/ANSI Z223. 1.
Can ProPress be used on gas lines?
With three choices in sealing elements, Viega ProPress systems can be customized to suit nearly any application, from potable water to natural gas to solar systems. For more specific information on applications for Viega ProPress for copper, ask for Viega Technical Services at 800-976-9819.
Can you bury Viega ProPress?
It’s one of the most common questions we get: can MegaPress, ProPress and other fittings be used underground? The answer is yes. Viega press fittings are approved for underground installations, per Uniform Code and International Code listings.
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.
How close can you press Viega ProPress fittings?
4″ away
Installers must weld 4″ away from the Viega ProPress connection in order to protect the sealing element when welding pipe adjacent to pipe joined with a Viega ProPress fitting.
Do you need to sand pipe for ProPress?
Unlike soldering, ProPress fittings do not need a completely cleaned pipe to work. The force of the press creates a strong seal regardless.
Can you use ProPress on PEX?
In addition, going from ProPress copper to PEX fittings, the PEX plumbing systems can bend around corners with each change of direction, instead of having to add a connection. This reduces materials and can also improve water flow for better performance.
Are MegaPress fittings rated for underground?
MegaPress FKM systems are approved for underground use and must be protected against corrosion in accordance with NFPA 54 section 404.8, NACE Standard RP0169-2002 section 5, 2009 UPC Chapter 6 section 609.3.
