Facility Piping Systems Handbook, Second Edition

This chapter will describe the materials used most often for piping networks and systems described in this handbook. This chapter includes information on pipes, fittings, valves, jointing methods, hangers, and supports.
When selecting a piping material for any component of plumbing-related systems, the applicable plumbing code is of primary importance. Here, the allowable piping materials will be listed as well as any restrictions for their use. In addition, the code will also stipulate various accepted standards that govern the manufacture, tolerances, and installation of all components.
When renovating an existing facility or where circumstances require a unique design, it may be necessary to request a deviation from the accepted list of materials in order to match existing piping or obtain special design characteristics. The authorities reviewing such requests require enough information to determine that the intent of the applicable code provisions is followed in terms of safety and suitability of materials for the purpose intended.
Applicable plumbing and model building codes are discussed in Chap. 9, Plumbing Systems.
Codes required for systems other than plumbing are generally the following:
ANSI B31.l-9 series
FDA requirements, such as cGMP
Sanitary 3-A Standards for the food and pharmaceutical industries
The pressure rating for a wide range pipe and other components is provided by the ANSI Pressure Classification System, which publishes qualitative performance standards. The design pressure is the maximum sustained (steady-state) pressure that a...