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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".

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Pros choose ProPress because there are more pipe 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’s ProPress. Easily identify unpressed connections with Smart Connect technology.

SmartConnect®

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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
  • More than 200 different fitting and valve configurations

Water/Liquids                                                

Hot and Cold Potable Water   Test pressure 600 psi
Rainwater/ Graywater
Chilled Water    ≤50% Ethylene / Propylene glycol 
Hydronic Heating Water9     ≤50% Ethylene / Propylene glycol
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
Ammonia   Ammonia environment7
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 304 FKM
ProPress 304 FKM

Viega 316 ProPress® Stainless

For use with 316 ProPress Stainless ECO Tubing

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

Water/Liquids                                                

Hot and Cold Potable Water   Test pressure 600 psi
Rainwater/ Graywater
Chilled Water    ≤50% Ethylene / Propylene glycol 
Hydronic Heating Water9     ≤50% Ethylene / Propylene glycol
Treated Water Fully desalinated, deionized, deminerlized, distilled(open system)
Reverse Osmosis Water  <1 MΩ 
Paraffin Wax
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
Mineral Oil
Lube Oil Petroleum based 
Diesel Exhaust Fluid (DEF)
Biodiesel ASTM D6751 
Heating Fuel Oil 
Diesel Fuel
Kerosene
Gear Oil Lubricant
Automatic Transmission Fluid
Hydraulic Oil
Engine Oil
Engine Coolant 
Waste Oil

 

Gases

Compressed Air     Oil Concentration ≤25 mg/m  
Nitrogen - N2
Carbon Dioxide - CO2      Dry
Argon - Ar
Ammonia   Anhydrous
Ammonia  Ammonia environment7
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 MegaPress Transition Coupling

For joining IPS systems to CTS systems

  • Available in sizes 1/2” to 2”
  • Includes a factory-installed EPDM sealing element
  • Rated NSF 61 for potable water
  • Connect Iron Pipe Size (IPS) systems to Copper Tube Systems (CTS), including PEX
  • Both ends can be pressed with the same tool
Learn More
For joining IPS systems to CTS systems

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Viega Fitting 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 pipe and fitting products can save you time and money on your next project.