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Stainless steel press-fit reducer with EPDM O-ring, 1 inch to 3/4 inch tube size

Viega

Viega Megapress Stainless 316 Reducer 1" x 3/4" 90365

SKU CH-FVGF-3NH69

Stainless steel 316 crimp reducer joins 1 in copper tube to 3/4 in press-fit pipe, rated 200 psi and 250 °F

  • Reduces pipe diameter from 1 in to 3/4 in for system flexibility
  • Press-fit connection enables fast, flameless installation on site
  • 316 stainless steel body resists corrosion in potable water systems
  • EPDM O-ring seals reliably up to 250 °F operating temperature
  • Rated for 200 psi maximum pressure in demanding plumbing applications

Viega Megapress Stainless Reducer

The Viega Megapress Stainless 316 reducer joins 1 inch copper tube to a 3/4 inch press-fit connection in potable water systems. Its straight adapter shape and EPDM O-ring provide a secure crimp fitting without welding or threading. The 316 stainless steel body resists corrosion in demanding plumbing installations. Suitable for professional pipefitters and maintenance crews.

200 psi 250 °F operating limits

Rated for a maximum operating pressure of 200 psi and a maximum operating temperature of 250 degrees Fahrenheit. The stainless steel construction and EPDM seal maintain joint integrity across this range. No external power or moving parts are involved, so noise and power draw are not applicable. The fitting installs with standard press tools.

Sustained pressure and temperature performance

Under continuous service at the rated 200 psi and 250 °F the 316 grade stainless steel retains strength and the EPDM O-ring maintains its seal. The crimp connection does not loosen with thermal cycling or vibration. Designed for permanent installation in potable water lines where long-term reliability is required.

Highlights

  • Reduces pipe diameter from 1 in to 3/4 in for system flexibility
  • Press-fit connection enables fast, flameless installation on site
  • 316 stainless steel body resists corrosion in potable water systems
  • EPDM O-ring seals reliably up to 250 °F operating temperature
  • Rated for 200 psi maximum pressure in demanding plumbing applications

Specifications

BrandViega Megapress Stainless 316

Questions about this item

How do I install this 1" x 3/4" press-fit reducer and what step is often missed?

Cut the stainless tube square, deburr, mark the 1" insertion depth, seat the fitting fully, and press with a calibrated Viega Megapress jaw — skipping the depth mark causes shallow crimps.

What maintenance will this 316 stainless reducer with EPDM O-ring need later?

No routine maintenance is required; inspect the EPDM seal during system checks and replace the fitting if leakage or corrosion appears.

What limit appears first when this reducer runs continuously at high temperature?

The 250 °F maximum operating temperature is reached before the 200 psi pressure rating under sustained hot-water use.

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