Viega Megapress, Installation Manual

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1 System Description
1.1 Viega ProPress
Viega ProPress ½" to 4" fittings feature an
EPDM sealing element suitable for many
applications, including:
• Hot and Cold Potable Water
• Rainwater/Gray Water
• Fire Sprinkler
• Chilled Water
• Hydronic Heating
• Compressed Air
• Low-Pressure Steam
• Vacuum
• See Table 1.1 on page 9 for more
applications
1.1.1 Listings and certifications
• NSF 61 Annex G
• IAPMO PS 117
• UL 213
• FM Class 1920
• ICC-ES PMG 1037
• ABS
• CSA MSE 13
1.1.2 Codes
Compliant with:
• ICC International Plumbing Code
• IAPMO Uniform Plumbing Code
• National Standard Plumbing Code
• NFPA 13, 13D, 13R and 54
• ICC International Mechanical Code
• IAPMO Uniform Mechanical Code
1.2 Viega ProPressG
Viega ProPressG ½" to 2" fittings have a
factory-installed HNBR sealing element suitable
for many applications, including:
• Natural Gas
• Propane Gas
• Diesel Fuel
• See Table 1.1 on page 9 for more
applications
1.2.1 Listings and certifications
Viega ProPressG fittings have been listed for
use with fuel gas distribution systems intended
for installations above ground, underground,
indoors and outdoors, for operating pressures not
exceeding 125 psig for use with copper tube ½"
through 2" nominal size.
• CSA LC-4
• IAPMO LC-4
• ICC-ES PMG 1036
1.2.2 Codes
The major codes and standards regulating fuel gas
piping systems include:
• NFPA 54/Z223.1 National Fuel Gas Code
• ICC International Mechanical Code
• IAPMO Uniform Plumbing Code
Other codes include:
• NFPA 58 Liquefied Petroleum Gas Code
• UPC Chapter 12 Fuel Piping
• NFPA 30 Flammable and Combustible
Liquids Code
• NFPA 30A Code for Motor Fuel Dispensing
Facilities and Repair Garages
• NFPA 31 Standard for the Installation of Oil-
Burning Equipment
Note: All systems must be installed per local
code requirements.
1.3 Viega ProPress for Stainless 304 and 316
Viega ProPress for Stainless ½" to 4" fittings feature
both EPDM and FKM sealing elements suitable for
many applications, including:
• Potable Water (316)
• Condenser Water
• Process Water
• RO and DI Water
• Caustic Chemicals
• Compressed Air
• See Table 1.1 on page 9 for more
applications
1.3.1 Listings and certifications
• NSF-61 G (316 EPDM)
• ABS
• TSSA
• United States Coast Guard
• Lloyd’s Register
• Det Norske Veritas
• ASME B31
• UL 213 (304 FKM ½" to 2")
• IAPMO PS 117 (316 EPDM)
1.3.2 Codes
• ICC International Plumbing Code
• SBCCI International Standard Plumbing Code
• IAPMO Uniform Plumbing Code
• PHCC National Standard Plumbing Code
• Florida Building Code, Volume II Plumbing
Code
• Contact your local Viega representative for
details on approvals in your area.