Brochure

Viega ProPress and MegaPress Systems | 17
Types of Service
System Operating Conditions
ProPress
304 Stainless
ProPress
316 Stainless
ProPress ProPressG MegaPress MegaPressG
Comments Pressure Temperature FKM EPDM EPDM HNBR EPDM HNBR
Fluids/Water
Hot and Cold
Potable Water
200 PSI 32˚F-250˚F √ √
Rainwater/
Gray Water
200 PSI Note 3 √ √ √
Fire Sprinkler 175 PSI Note 3 √ √ √
Chilled Water
Ethylene Glycol /
Propylene Glycol
200 PSI Note 3 √ √ √ √
Hydronic Heating
Ethylene Glycol /
Propylene Glycol
200 PSI Note 3 √ √ √ √
Cooling Water
Up to 50% Ethylene Glycol or
Propylene Glycol solution
200 PSI Note 3 √ √ √ √
Deionized Water 200 PSI 158˚F √
Low-Pressure
Steam
Up to 15
PSI
248˚F √ √ √ √
Isopropyl Alcohol 200 PSI 75˚F √
Latex Paint 200 PSI 32˚F-250˚F √
Methyl Ethyl
Ketone
200 PSI 100˚F √
Nitric Acid 10% 200 PSI 73˚F √ √
Phosphoric Acid 25% 200 PSI Ambient √
Paraf n Wax 200 PSI 100˚F √
Fuel, Oil and Lubricant
Heating
Fuel Oil
125 PSI Note 3 √ √ √
Diesel Fuel 125 PSI Note 3 √ √ √
Ethanol Pure Grain Alcohol 200 PSI Note 3 √ √
Propane Compliant with CSA LC4 125 PSI -40˚F-180˚F √ √
Butane Compliant with CSA LC4 125 PSI -40˚F-180˚F √ √
Kerosene Note 3 68˚F √ √ √
Lube Oil Petroleum Based 200 PSI Note 3 √ √ √
Gases
Compressed Air
Less than 25mg/m
3
oil content
200 PSI Note 3 √ √ √ √ √ √
Compressed Air
More than 25mg/m
3
oil content
200 PSI Note 3 √ √ √
Natural Gas Compliant with CSA LC4 125 PSI -40˚F-180˚F √ √
Oxygen - O
2
(nonmedical)
Keep oil and fat free /
non-liquid O
2
140 PSI Up to 140˚F √ √ √ √ √
Nitrogen - N
2
200 PSI Note 3 √ √ √ √ √ √
Carbon Dioxide
- CO
2
200 PSI Note 3 √ √ √ √
Ammonia Anhydrous 200 PSI 122˚F √
Acetylene 200 PSI 86˚F √ √
Argon Welding Use 200 PSI Ambient √ √ √ √ √
Hydrogen - H
2
125 PSI 0˚F-250˚F √ √ √
Vacuum 29.2 in Hg Note 3 √ √ √ √ √ √
1. All systems are recommended to be clearly labeled with the  uid or gas being conveyed. For further information please consult Viega Technical Services.
2. All Viega systems must be used with the manufacturer’s recommended sealing element. Contact your local Viega representative or Viega Technical Services for application
temperature, pressure and concentration limits.
3. System pressure and temperature ranges depend on sealing element.