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IDENTIFYING FITTINGS AND USING JOINT CONNECTIONS FOR GALVANIZED STEEL PIPE

This learning event illustrates threaded drainage fittings for galvanized steel pipe. This learning event also explains how to make a threaded joint connection on galvanized steel pipe.

Fittings

Drainage fittings for galvanized steel pipe used in a waste system are cast with a recessed shoulder. This design allows a smooth flow of waste material. The illustration below shows threaded drainage fittings.

IDENTIFYING FITTINGS AND USING JOINT CONNECTIONS FOR GALVANIZED STEEL PIPE

 

Joint Connections

Slope of horizontal drainage pipes. The threads of drainage fittings are at a slight angle. This angle causes horizontal drainage pipes to slope approximately inch per foot.

Joint Connections

 

Steps for making the Joint connection. To make a threaded joint connection, use the following steps:

  1. Apply pipe joint compound or Teflon tape, in a counterclockwise direction, to the pipe threads.
  2. Screw the fitting onto the pipe until it is hand tight.
  3. Tighten the fitting using two pipe wrenches-one to hold the pipe, and the other to tighten the fitting by turning clockwise.
  4. Clean the joint with a rag.

Joint Connections


David L. Heiserman, Editor

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All Rights Reserved

Revised: June 06, 2015