Fire Protection · F-R9WYF

Flanged Spigot Pipe Penetration through Floor

Materials

Concrete

Elements

Walls Floors / Slabs Stem Walls

Connections

Bolted Connection

About this detail

A Class 53 ductile iron flanged spigot penetrates a concrete floor or wall slab for a fire protection supply line. The assembly incorporates a flexible coupling, a flange by groove spool piece, and a mechanical joint ninety-degree elbow with a restraint fitting. A two-inch annular clearance is provided around the penetration and filled with flexible mastic, with optional concrete thrust blocks or mechanical restraint fittings used depending on the installation requirements. Ferrous pipe and hardware are greased and wrapped with a 0.008-inch polyethylene encasement tube or sheet, with three-quarter-inch anchor threaded rods and bent eye bolts securing the assembly.

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