Foundry

Joint deflection

Technical solutions

Joint deflection

PAM socket joints permit angular deflection. In addition to obvious advantages during laying and to accommodation of ground movements, the angular deflection allows negotiation of large radius bends without recourse to fittings, as well as a certain amount of route adjustment.

JunctionUnlockedLocked
Maximum allowable deflection
DNRapid
°
Rapid Vi
°
Uni Vi Ve
°
Rapid Ve
°
6055--
805535
1005535
1255535
1505535
2005434
2505434
3005434
3504333
4004233
4504233
5004223
6004223
7004-22
8004-22
9004-1.51.5
10004-1.21.5
11004--1.5
12004-1.11.5
14003-1-
15003-1-
16003-1-
18002.5-0.8-
20002---

 

See also

Terminology of 'pressure' term.
Range of joints