Complete Assemblies Less Ring

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Boiler Handhole Assembly, Less Ring. 3 X 4-1/2, Obround, Flat, Cast Iron
Burnham Handhole Assembly, less Ring. 3 X 4, E, Curved 25R. "25"
Burnham Handhole Assembly, less Ring. 3 X 4, E, Curved 36R.
Fulton Boiler Handhole Assembly, less Ring, 3 x 4. 4-6 Horse Power
Continental Handhole Assembly, Less Ring. 3 X 4-1/2, OB, Curved 42R
Continental Handhole Assembly, Less Ring. 3 X 4-1/2, OB, Curved 36R
Continental Handhole Assembly, Less Ring. 3 X 4-1/2, OB, Curved 30R

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Complete Assemblies Less Ring FAQs

Less ring means the plate and yoke assembly is sold without the reinforcing ring, which is typically kept in place since it's already welded to the boiler shell.

Elliptical and obround describe the shape of the opening the plate covers, with the correct shape depending on the boiler manufacturer's original design.

Yes. Handhole and manhole assemblies are typically matched to a specific boiler manufacturer, such as Burnham, Fulton, or Johnston, since bolt pattern and curvature vary by brand.

Flat plates are designed for flat sections of a boiler shell, while curved plates match the radius of a specific boiler diameter, so confirming the shell's curvature helps ensure a proper seal.