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Viega LLC – Recognized leader in press technology for plumbing and piping systems

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Viega ProPress System

The #1 press fitting in the industry. Available in sizes sizes ½" to 4".


Pros choose ProPress because there are more fitting configurations approved for more applications than any other brand. Connections can be made wet or dry in 7 seconds or less on both copper and stainless steel pipe in sizes ranging from ½" to 4". Stop sweating fittings and start squeezing more profits out of every job with Viega ProPress. Easily identify unpressed connections with Smart Connect technology.

SmartConnect®

Icon Wet or Dry

Connect Wet or Dry 

Faster


Viega ProPress Copper

For use on copper pipe in sizes ½" to 4"

Benefits
  • More than 400 different fitting configurations
  • More approvals than any other copper press fitting system  
  • Available with EPDM, FKM and HNBR sealing elements

Water/Liquids                                                

Hot and Cold Potable Water   Test pressure 600 psi
Rianwater/ Graywater
Chilled Water    
≤50% Ethylene / Propylene glycol 
Hydronic Heating Water     ≤50% Ethylene / Propylene glycol
Fire Sprinkler     NFPA 13, 13D, 13R 
Steam     Low-pressure 
Steam     Residential 


Fuels/Oils/Lubricants 

Ethanol       Pure grain alcohol
Lube Oil     
Petroleum based  
Heating Fuel Oil 

Diesel Fuel


Gases

Compressed Air     Oil Concentration ≤25 mg/m  
Compressed Air     Oil Concentration >25 mg/m 
Nitrogen - N2
Carbon Dioxide - CO2  
    Dry
Carbon Monoxide - CO
Argon - Ar
Oxygen - O2     
Non-medical Keep free of oil and grease
Hydrogen - H2
Vacuum     
Minimum absolute pressure Maximum differential pressure


Special Media

Acetone   Liquid


For additional information, please see the approved applications chart. View Viega Approved Applications

ProPress Family
ProPress  304 FKM

Viega ProPress Stainless

For use on 304 and 316 stainless steel pipe in sizes ½" to 4"

Benefits
  • More than 350 different fitting configurations
  • Approved for more than 800 different applications
  • Available with EPDM, FKM and HNBR sealing elements

Water/Liquids                                                

Hot and Cold Potable Water   Test pressure 600 psi
Rianwater/ Graywater
Chilled Water    
≤50% Ethylene / Propylene glycol 
Hydronic Heating Water     ≤50% Ethylene / Propylene glycol
Treated Water Fully desalinated, deionized, deminerlized, distilled(open system)
Reverse Osmosis Water 
<1 MΩ
Methyl Ethyl Ketone
Isopropyl Alcohol 
Nitric Acid   
Concentration ≤10%
Phosphoric Acid 
Concentration ≤25%
Fire Sprinkler     
NFPA 13, 13D, 13R 
Steam     Residential 


Fuels/Oils/Lubricants

Ethanol   Pure grain alcohol


Gases

Compressed Air     Oil Concentration ≤25 mg/m  
Nitrogen - N2
Carbon Dioxide - CO2  
    Dry
Argon - Ar
Ammonia   
Anhydrous
Oxygen - O2     
Non-medical Keep free of oil and grease
Hydrogen - H2
Acetylene     
Test pressure 350 psi
Vacuum     
Minimum absolute pressure Maximum differential pressure


Special Media

Methanol
Latex Paint 
Urea Solution  
Concentration ≤40%
Caustic Soda   
Concentration ≤50%
Acetone   
Liquid


For additional information, please see the approved applications chart. View Viega Approved Applications

ProPress 304 FKM

Viega ProPress 304 FKM

For use on 304 stainless steel pipe in commercial and industrial applications

Benefits
  • More than 150 different fitting configurations
  • Approved for more than 400 different applications from fire protection to compressed air
  • Available in sizes ½" to 4"

Water/Liquids

Rianwater/ Graywater
Chilled Water    
≤50% Ethylene / Propylene glycol 
Hydronic Heating Water     ≤50% Ethylene / Propylene glycol
Treated Water Fully desalinated, deionized, deminerlized, distilled(open system)
Reverse Osmosis Water 
<1 MΩ
Paraffin Wax
Isopropyl Alcohol 
Nitric Acid   
Concentration ≤10%
Fire Sprinkler     
NFPA 13, 13D, 13R 
Steam     Low-pressure 
Steam     Residential 


Fuels/Oils/Lubricants

Mineral Oil 
Lube Oil     
Petroleum based  
Heating Fuel Oil 
Diesel Fuel
Kerosene               
    


Gases                                               

Compressed Air     Oil Concentration ≤25 mg/m  
Compressed Air     Oil Concentration >25 mg/m 
Nitrogen - N2
Carbon Dioxide - CO2  
    Dry
Argon - Ar
Hydrogen - H2
Acetylene     
Test pressure 350 psi
Vacuum     
Minimum absolute pressure Maximum differential pressure


For additional information, please see the approved applications chart. View Viega Approved Applications

ProPress 304 FKM
ProPress 316 Stainless T

Viega ProPress 316

For use on 316 stainless steel pipe
in commercial and industrial applications

Benefits
  • More than 200 different fitting configurations
  • Approved for more than 400 different applications from industrial gases to caustic chemicals
  • Available in sizes ½" to 4"

Water/Liquids

Rianwater/ Graywater
Chilled Water    
≤50% Ethylene / Propylene glycol 
Hydronic Heating Water     ≤50% Ethylene / Propylene glycol
Treated Water Fully desalinated, deionized, deminerlized, distilled(open system)
Reverse Osmosis Water 
<1 MΩ
Paraffin Wax
Isopropyl Alcohol 
Nitric Acid   
Concentration ≤10%
Phosphoric Acid 
Concentration ≤25%
Fire Sprinkler     
NFPA 13, 13D, 13R 
Steam     Low-pressure 
Steam     Residential 


Fuels/Oils/Lubricants  

Mineral Oil 
Lube Oil     
Petroleum based  
Biodiesel     ASTM D6751  
Heating Fuel Oil 
Diesel Fuel
Kerosene                    


Gases

Compressed Air     Oil Concentration ≤25 mg/m  
Compressed Air     Oil Concentration >25 mg/m 
Nitrogen - N2
Carbon Dioxide - CO2  
    Dry
Argon - Ar
Hydrogen - H2
Acetylene     
Test pressure 350 psi
Vacuum     
Minimum absolute pressure Maximum differential pressure


Special Media

Latex Paint 


For additional information, please see the approved applications chart. View Viega Approved Applications

ProPress 316 Stainless

Viega Systems

Innovative solutions. Tested to a higher standard.

Commercial and residential contractors worldwide trust Viega for all their plumbing and piping needs. With more applications and more approvals, Viega systems deliver unparalleled quality and durability. Learn more about how Viega systems can save you time and money on your next project.