Page 77 - Facility Piping Systems Handbook for Industrial, Commercial, and Healthcare Facilities

PIPING

PIPING 2.27

FIGURE 2.3 Typical fitting shapes. (a) 90°, 60°, 45°, and 22 1/2° bends; (b) 90° sweep; (c) 45° sanitary
wye; (d) standard tee; (e) elbow.

FITTING MATERIALS

Cast Iron
Fittings of this material can be used with CI or steel pipe. They are available with screwed, hub
and spigot, no hub, or flanged ends. These fittings should conform to the following standards:

1. ANSI B 16.12: cast iron drainage fittings, threaded
2. ASTM A 74: cast-iron drainage fittings, hub and spigot
3. CISPI 310: cast-iron soil pipe and fittings, hubless

Malleable Iron
Fittings of this material can be used with ST or CI pipe. They are available with screwed
ends. These fittings should conform to ANSI B 16.3: Malleable Iron Screwed Fittings.

Downloaded from Digital Engineering Library @ McGraw-Hill (www.accessengineeringlibrary.com)
Copyright © 2009 The McGraw-Hill Companies. All rights reserved.
Any use is subject to the Terms of Use as given at the website.