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Straight carbon steel coupling, zinc nickel finish, 1 inch press-fit ends

Viega

Viega MegaPress 4815.5 carbon steel coupling 1 in without stop

SKU CH-YPR0-5XZ6H

A zinc nickel-plated carbon steel press-fit coupling joins two 1 in pipes for non-potable water at up to 200 psi and 250 °F

  • Press-fit ends install fast without welding
  • Carbon steel body with zinc-nickel coating resists corrosion
  • EPDM O-ring seals up to 200 psi and 250 °F
  • Straight 1 in connector joins equal-size pipe runs
  • MegaPress 4815.5 design approved for non-potable water systems

Carbon Steel Press-Fit Coupling

The Viega MegaPress 4815.5 is a straight carbon steel coupling designed for non-potable water systems. It joins two 1 in pipes using press-fit connections on both ends. The fitting carries a maximum operating pressure of 200 psi and a maximum operating temperature of 250 degrees F. It suits installers who need a permanent, flameless joint on steel piping.

EPDM Seal and Zinc Nickel Finish

The coupling ships with factory-installed EPDM O-rings on each press end, removing the need for separate gaskets or thread sealant. A zinc nickel-plated coating protects the steel body from corrosion in typical mechanical-room environments. No bolts, flanges or stop features are included, so the fitting slides fully over the pipe ends for a continuous press profile.

Press-Tool Installation and Inline Layout

The 3 9/32 in overall length fits tight runs where a flanged or threaded adapter would add bulk. Installation requires a compatible press tool and jaw set; no welding, threading or soldering equipment is needed on site. The straight connector shape keeps the pipeline inline without offset, simplifying support spacing and insulation runs. Builders needing a removable union or a reducing transition should select a different fitting style.

Highlights

  • Press-fit ends install fast without welding
  • Carbon steel body with zinc-nickel coating resists corrosion
  • EPDM O-ring seals up to 200 psi and 250 °F
  • Straight 1 in connector joins equal-size pipe runs
  • MegaPress 4815.5 design approved for non-potable water systems

Specifications

BrandViega

Questions about this item

How often should the EPDM O-ring in this coupling be inspected or replaced?

The EPDM O-ring is rated for up to 250 °F and 200 psi; inspect it during any system maintenance or if leaks appear, and replace it when the seal shows wear or hardening.

What is the first limit reached when this coupling runs continuously at high pressure?

The maximum operating pressure is 200 psi; sustained use above that rating will exceed the design limit before temperature becomes a factor.

Does the zinc nickel-plated finish affect heat dissipation or noise during all-day operation?

The zinc nickel-plated steel body conducts heat normally for carbon steel and adds no moving parts, so it produces no audible noise and requires no special cooling.

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