What is the Viega ProPress Pressure Rating?
Viega ProPress Pressure Rating and MegaPress Pressure Rating Guide
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. As this method continues to grow in popularity, we hear many questions about proper use. As an authorized Viega distributor, a common question we are asked by customers is: What is the Viega ProPress pressure rating?
The answer to this is simply: it depends. Viega ProPress fitting pressure rating depends on your specific application and the metal type. The same is to be said for Viega MegaPress pressure rating. Viega provides us with pressure ratings in their Approved Applications Chart, which also includes temperature ratings for each product line, material, and sealing element. Please see the below charts for a quick reference for MegaPress pressure rating and ProPress fittings pressure ratings organized by media.
Viega Propress Pressure Rating and MegaPress Pressure Rating for Water and Liquids
| Media | Maximum Pressure (psig) |
|---|---|
| Hot and Cold Potable Water
Rainwater / Graywater Chilled Water Hydronic Heating Water Treated Water Reverse Osmosis Water |
ProPress Copper = 300 psig
ProPress Valves = 250 psig ProPress Stainless = 200 psig MegaPress = 200 psig |
| Paraffin Wax
Methyl Ethyl Ketone Isopropyl Alcohol Nitric Acid Phosphoric Acid |
200 psig |
| Fire Sprinkler | 175 psig |
| Low-pressure Steam | 15 psig |
| Residential Steam | 5 psig |
*Chart above is a quick reference guide for ProPress Fitting Pressure Rating. Please see Viega Approved Applications document for approved ProPress and MegaPress fittings and seals for each media.
Viega Propress Pressure Rating for Fuels, Oils, and Lubricants / MegaPress Gas Fittings Pressure Rating
| Media | Maximum Pressure (psig) |
|---|---|
| Ethanol / Pure Grain Alcohol
Mineral Oil Petroleum Based Lube Oil |
200 psig |
| Biodiesel | 140 psig |
| Propane
Butane Natural Gas Heating Fuel Oil Diesel Fuel Kerosene |
125 psig |
*Chart above is a quick reference guide of Viega MegaPress Pressure Rating. Please see Viega Approved Applications document for approved ProPress and MegaPress fittings and seals for each media.
Viega Propress Pressure Rating for use with Gases
| Media | Maximum Pressure (psig) |
|---|---|
| Compressed Air
Nitrogen - N2 Carbon Dioxide - CO2 Carbon Monoxide - CO Argon - Ar Ammonia |
200 psig |
| Oxygen - O2 | 140 psig |
| Hydrogen - H2 | 125 psig |
| Acetylene | 20 psig |
| Vacuum - Minimum absolute pressure | 750µm Hg |
| Vacuum - Maximum differential pressure | 29.2" Hg |
*Chart above is a quick reference guide of ProPress Fittings Pressure Ratings. Please see Viega Approved Applications document for approved ProPress and MegaPress fittings and seals for each media.
Viega Propress Pressure Rating for Special Media
| Media | Maximum Pressure (psig) |
|---|---|
| Methanol
Latex Paint |
200 psig |
| Urea Solution
Caustic Soda |
140 psig |
| Liquid Acetone | 70 psig |
*Chart above is a quick reference guide of Vega ProPress pressure rating. Please see Viega Approved Applications document for approved ProPress and MegaPress fittings and seals for each media.
As an authorized distributor of Viega, Cooney Brothers stocks a wide variety of fittings for ProPress Copper, ProPress Stainless, MegaPress Stainless, and MegaPress Carbon Steel. Shop over 1200 Viega products on our website or learn more about the Viega press methods here.