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Bronze ProPress 90-degree elbow, 1-1/2 inch press-fit to FNPT, EPDM O-ring

Viega

Viega 79565 ProPress 90 elbow 1-1/2" x 1-1/2

SKU CH-8WWS-K5KKR

Bronze press-fit elbow connects 1-1/2" copper tube to 1-1/2" FNPT for potable water at up to 200 psi and 250 °F

  • ProPress press-fit system creates fast, reliable joints without soldering
  • 90-degree elbow redirects flow in tight copper piping layouts
  • Bronze body with EPDM seal handles 200 psi and 250°F service
  • Meets ASTM B75 and ASTM B88 material standards for potable water
  • 1-1/2 inch press x FNPT transition connects copper tube to threaded pipe

ProPress 90° elbow for potable water

The Viega 79565 is a bronze crimp elbow fitting designed for potable-water systems. It joins a 1-1/2 in copper tube on the press-fit side to a 1-1/2 in FNPT thread on the other. The EPDM O-ring provides the seal. This fitting suits installers who need a press-to-thread transition at a right angle.

Pressure and temperature limits

The fitting is rated for a maximum operating pressure of 200 psi and a maximum operating temperature of 250 degrees F. It conforms to ASTM B75 and ASTM B88 standards for bronze and copper tube. Systems that exceed either limit require a different component. The bronze body and EPDM seal define these boundaries.

Press-tool installation and common issues

Installation requires a compatible press tool and jaw set for 1-1/2 in copper; the joint is completed in a single press cycle. Common problems include inserting the tube short of the stop, using a worn jaw, or pressing a fitting that has been dropped and deformed. The O-ring must stay clean and lubricated. No threading or soldering is involved.

Highlights

  • ProPress press-fit system creates fast, reliable joints without soldering
  • 90-degree elbow redirects flow in tight copper piping layouts
  • Bronze body with EPDM seal handles 200 psi and 250°F service
  • Meets ASTM B75 and ASTM B88 material standards for potable water
  • 1-1/2 inch press x FNPT transition connects copper tube to threaded pipe

Specifications

BrandVIEGA

Questions about this item

Should I choose the 1-1/2" press-to-FNPT elbow or a different size for my copper line?

This 90-degree elbow adapts 1-1/2" copper tube on the press side to 1-1/2" FNPT threads on the other, so select it when both ends match those exact sizes.

What does the 200 psi rating mean once the fitting is pressed onto the pipe?

The joint is rated for 200 psi maximum operating pressure in potable water systems after a proper press connection is made.

Which press standard does the 79565 follow and what does it cap in practice?

It conforms to ASTM B75 and ASTM B88 for bronze fittings and copper tube, limiting use to 250 °F and 200 psi in potable water applications.

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