We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Stainless steel crimp reducer 3/4 to 1/2 inch press-fit fitting

Viega

Viega Megapress Stainless 316 Reducer 3/4 x 1/2 90355

SKU CH-QB9P-RR2CP

A stainless steel 316 reducer with EPDM O-ring, crimp fitting for potable water, rated 200 psi at 250 °F

  • Corrosion-resistant Grade 316 stainless steel construction
  • EPDM O-ring seals up to 250 °F
  • Press-fit connection installs without threading tools
  • Straight adapter reduces 3/4 in to 1/2 in tube size
  • Rated for 200 psi maximum operating pressure

Viega Megapress Stainless 316 Reducer

This Viega Megapress Stainless 316 reducer connects a 3/4 in copper tube fitting to a 1/2 in press-fit pipe. It is designed for potable water applications using crimp technology. The fitting body is manufactured from 316 grade stainless steel for corrosion resistance. It suits installers who require a straight adapter transition between different tube sizes.

Thermals noise and power draw

As a passive mechanical fitting, this component generates no operational noise and draws zero electrical power. It contains no moving parts, fans or electronic elements that would produce heat during normal service. The EPDM O-ring maintains a seal across the specified temperature range without active cooling. Thermal performance is therefore inherent to the static material properties.

Sustained load behaviour

The reducer is rated for a maximum operating pressure of 200 psi and a maximum operating temperature of 250 Degrees F. These limits define its capacity under continuous service conditions rather than short bursts. The 316 stainless steel construction resists degradation during prolonged exposure to hot, pressurised potable water. Installers must ensure system parameters remain within these published boundaries.

Highlights

  • Corrosion-resistant Grade 316 stainless steel construction
  • EPDM O-ring seals up to 250 °F
  • Press-fit connection installs without threading tools
  • Straight adapter reduces 3/4 in to 1/2 in tube size
  • Rated for 200 psi maximum operating pressure

Specifications

BrandViega Megapress Stainless 316

Questions about this item

How do I press the 3/4" FTG end onto copper tube without kinking the 1/2" press-fit side?

Cut the 3/4" copper tube square, deburr inside and out, mark the insertion depth, then press the FTG end first with a calibrated Viega Megapress jaw; the straight adapter body keeps the 1/2" press socket aligned during the second press.

When should the EPDM O-ring on the 1/2" press socket be replaced?

Inspect the EPDM seal at each system service; replace it if you see cracking, flattening or leakage at the 200 psi rating, typically after several years of continuous 250 °F hot-water duty.

What pressure limit will be reached first during extended high-temperature operation?

The 200 psi maximum operating pressure is the governing limit; sustained exposure to 250 °F does not raise the pressure rating of the 316 stainless body or the EPDM seal.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.