Install Instructions

IM-MP 724992 1014
6
• CSA:IndicatescertificationtoANSI/CSALC4
• UPC
• Yellowrectangle:IdentifiesViegaMegaPressG
fitting as a certified gas or fuel oil fitting
• 125G:IdentifiestheCSAmaximumpressurerating
of the fitting for fuel oil or gas applications
• Sizeoffitting
• Manufacturername
• Manufacturerdatecode
1.4 Applications
Listedbelowarecommonapplicationsapproved
by Viega for Viega MegaPress fitting systems.
See Table 1.1.
1.3.4 Fitting markings
Markings on Viega MegaPress fittings include:
• GreenDot:EPDMsealingelementandSmart
Connect feature
• UL
• FM
• UMC
• Sizeoffitting
• Manufacturername
• Manufacturerdatecode
Markings on Viega MegaPressG fittings include:
• YellowDot:HNBRsealingelementandSmart 
Connect feature
Types of Service
System Operating Conditions MegaPress MegaPressG
Comments Pressure Temperature EPDM HNBR
Fluids/Water
Chilled Water
Ethylene Glycol
Propylene Glycol
200 psi Down to -4°F √
Hydronic Heating
Ethylene Glycol
Propylene Glycol
200 psi 0°F - 250°F √
Fire Sprinkler 175 psi √
LowPressure
Steam
Up to 15 psi max. 248°F √
Oil and Lubricant
Heating Fuel Oil 125 psi
-40°F - 180°F
Ambient
√
Diesel Fuel Compliant with NFPA 30 and 30A 125 psi √
Gases
NaturalGas,LP
Gas and Fuel Oil
ANSI/CSALC4-40°F-180°F
125 PSI Max.
125 psi max.
-40°F - 180°F
Ambient
√
Compressed Air
OilConcentrate<25mg/m3 200 psi √ √
OilConcentrate>25mg/m3 200 psi √
Vacuum Max. 29.2in Hg √ √
Oxygen
Non-medical
Keepoilandfatfree/nonliquid
140 psi
(200 psi only HNBR)
Up to 140°F √ √
1. Consult the Viega Technical Support Department for information on applications not listed, and applications outside the
temperature and pressure ranges listed above.
2. All systems are recommended to be clearly labeled with the uid or gas being conveyed. For further information please see the
ViegatechnicalbulletinTB-PIPELABELING.
Table 1.1 Approved Applications