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Viega MegaPress carbon steel female press adapter 1 inch 200 psi

Viega

Viega MegaPress 4812 Carbon Steel Female Adapter 1 in 200 psi

SKU CH-Q25V-SW68X

Connects 1 in press to 1 in female thread at 200 psi up to 250 Degrees F

  • Press connection speeds installation without threading
  • Carbon steel body handles 200 psi working pressure
  • Rated for temperatures up to 250 °F in service
  • Female pipe thread mates with standard 1 in fittings
  • MegaPress 4812 design eliminates open-flame joining

Viega MegaPress 4812 Carbon Steel Female Adapter 1

The Viega MegaPress 4812 adapter joins 1-inch pipe using a press-to-female-thread connection in carbon steel. It suits installers who need a flame-free joint on standard piping systems. The fitting is supplied new and ready for professional plumbing or mechanical work. No soldering or threading equipment is required for installation.

Sustained load behaviour

The carbon steel body handles continuous operating pressures up to 200 psi across a temperature range of 0 to 250 degrees F. The press connection maintains its seal during long-term thermal cycling and vibration. Performance remains consistent without degradation from repeated pressure fluctuations. The design resists loosening under sustained mechanical stress.

Pre-order checks

Verify that the existing pipe is exactly 1 inch and compatible with press-tool jaw profiles. Confirm the system pressure never exceeds 200 psi and temperatures stay within 0 to 250 degrees F. Ensure the female thread matches the mating component’s thread standard. Check local codes for any restrictions on carbon steel press fittings.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $24.99
Pricier than about 61% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameViega

Questions about this item

Does the carbon steel body handle continuous 200 psi pressure without overheating?

The fitting is rated for a maximum pressure of 200 psi and a temperature range up to 250 °F, so it is designed for sustained operation within those limits.

What press tool and jaw set are required to install the MegaPress 4812 adapter?

A compatible Viega MegaPress press tool with the correct 1 inch jaw set is needed to complete the press connection on the tube end.

Will the 1 inch female pipe thread connect directly to existing 1 inch NPT piping?

The adapter provides a 1 inch female pipe thread connection that matches standard NPT threading for 1 inch nominal pipe.

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