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Bronze ProPress adapter, straight body, crimp and threaded ends

Viega

Viega 79470 ProPress adapter 1-1/2" × 1-1/2" trap

SKU CH-B723-VEV5B MPN 79470

Bronze ProPress adapter joins 1-1/2" copper tube to 1-1/2" FNPT threads for potable-water systems up to 200 psi and 250 °F

  • TypeDrain Components
  • MaterialBronze
  • ProPress crimp connection installs without soldering
  • Bronze body resists corrosion in potable water systems
  • EPDM O-ring seals up to 200 psi working pressure
  • Rated for 250 °F maximum operating temperature
  • Straight adapter joins 1-1/2 in copper tube to 1-1/2 in FNPT thread

ProPress Bronze Adapter

The Viega 79470 is a straight crimp adapter fitting made from bronze. It connects a 1-1/2 inch copper tube on the fitting side to a 1-1/2 inch FNPT thread on the pipe side. An EPDM O-ring provides the seal for potable water applications. The overall length measures 2 9/16 inches.

Suitable Installations

This adapter suits plumbers joining copper tubing to female threaded components in potable water systems using the ProPress crimp method. It is not for installers who need a flared, compression or sweat connection type. Buyers requiring a different pipe diameter or thread configuration should look at other fittings.

Pressure and Temperature Rating

The fitting withstands a maximum operating pressure of 200 psi and a maximum operating temperature of 250 degrees Fahrenheit. These limits determine whether the adapter matches the design parameters of the intended plumbing system.

Highlights

  • ProPress crimp connection installs without soldering
  • Bronze body resists corrosion in potable water systems
  • EPDM O-ring seals up to 200 psi working pressure
  • Rated for 250 °F maximum operating temperature
  • Straight adapter joins 1-1/2 in copper tube to 1-1/2 in FNPT thread

Specifications

TypeDrain Components
MaterialBronze
BrandViega
Model79470

Questions about this item

How often should the EPDM O-ring on the 1-1/2" ProPress adapter be inspected or replaced?

The EPDM O-ring is rated for 250 Degrees F and 200 psi; inspect it during routine system maintenance and replace if it shows cracking or hardening.

At what pressure or temperature does the bronze adapter reach its limit during continuous operation?

The fitting is rated for a maximum of 200 psi and 250 Degrees F; sustained use beyond either limit can cause premature failure.

Does the bronze body or EPDM seal generate noticeable heat or noise when water runs all day?

The adapter is a passive fitting with no moving parts, so it produces no noise and adds negligible heat to the fluid stream.

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