Section 10 AMERICAN Ball Joint Pipe The Right （部分美国10球窝接头管）.pdfVIP

Section 10 AMERICAN Ball Joint Pipe AMERICAN Ball Joint Pipe for Water and Other Liquids AMERICAN Ball Joint Piping complies with requirements of ANSI/AWWA C151/A21.51 and ANSI/AWWA C153, which are applicable to its manufacture. These and other standards are referenced throughout this Section either by the full ANSI/ AWWA designation or by only the AWWA numbering, such as AWWA C151. ® AMERICAN Flex-Lok Pipe incorporates make it especially adaptable to the most diffi- a very flexible ball-and-socket type joint for cult installations. This rugged joint configura- use in such installations as subaqueous pipe- tion has an excellent record of performance, line construction. The provision for significant and under some of the toughest installa- changes in alignment, with available joint tion conditions, it has provided long life and deflections of 25º for sizes 4”-12” and 15º trouble-free service. Economy and depend- for sizes 14”-60” in any direction, and the ability have been proven in many installations rugged features of AMERICAN Flex-Lok Pipe under widely varying conditions. Typical Applications for AMERICAN Ball Joint Pipe River Crossings surface movements caused by tempera- Where deep water and strong currents ture change, moisture content or other are encountered, as in unstable chan- factors. nels and under flood stage conditions. Where deep trenches, steep banks and Hillsides other difficult approaches require special Where steep grades are encountered, construction considerations. where trenching and backfilling