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Riveted Steam Drum Head

1932


Pictured above is one head of a the steam drum from Boiler #2.

Each end of the Steam Drum is closed with a dished head. This was the last boiler that was made using riveted construction. The next drums used welded seams.

The man-way door provided access to the inside of the drum. This was useful during construction, for rolling in tubes, and during maintenance, cleaning and repairs.

Specifications

Manufacturer: Babcock-Wilcox and Goldie McCulloch

Joint type: Double Riveted Double Butt Strap

Designation: Middle Steam Drum Head

Working pressure: 425 psi

Plate thickness: 1 13/16" (4.6 cm)

Tensile strength: 55,000 lb/sq. in.

Outside diameter: 48 inches (122 cm)

Rivet Diameter: 1 1/2" (3.8 cm)

Rivet Pitch: 4" (10 cm)

Manway opening: 12" x 16" (30 cm x by 40 cm)

The Steam Drum was located at the top of the boiler, about 40 feet off the floor. Pictured above is a steam drum from the first of seven Sterling boilers installed at the Rossdale Power Plant. These boilers operated at 400 psi.

Categories: Boilers Collection

Author: ephf

Edmonton Power Historical Foundation is a non-profit society dedicated to preserving the history of electric power in the City of Edmonton and the Province of Alberta, for the education and entertainment of current and future generations.

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