Series SJ-21

The SJ-21 is the industry standard spool-type expansion joint. The SJ-21 is available in configurations from zero to four arches – depending on movement requirements – and 3 standard pressure ratings in a variety of elastomers. This hand-built expansion joint can be adapted to the most unusual or difficult applications. Available options include filled arches to eliminate settling of solids in the arch, Teflon liners for severe chemical service, soft cuff ends for slip-on installation, and concentric or eccentric tapered ends for connecting different pipe sizes.

Specifications

ID (in)F/F per Arch (in) - 1F/F per Arch (in) - 2F/F per Arch (in) - 3F/F per Arch (in) - 4Pressure (psi) - SRPressure (psi) - LPPressure (psi) - HPCompression (in)Extension (in)Lateral (in)Compression Force (lb)Extension Force (lb)Lateral Force (lb)Joint Weight (lb)Rings Weight (lb)Flange OD (in)Bolt Circle (in)Number of HolesDiameter Holes (in)Ring ID
16101214165152001/41/81/41037617522.254 1/43 1/845/82 3/8
1 1/46101214165152001/41/81/4129962192.52.254 5/83 1/245/82 5/8
1 1/26101214165152001/41/81/41541152623353 7/845/82 7/8
26101214165152001/21/41/21851383504464 3/443/43 5/8
2 1/26101214165152001/21/41/22321723814.54.575 1/243/44 1/8
36101214165152001/21/41/22782074125.567 1/2643/44 5/8
46101214165152001/21/41/237127647687.597 1/283/45 7/8
56101214165152001/21/41/246334454698108 1/287/86 7/8
66101216165152001/21/41/2556413617119119 1/287/87 7/8
86101416140151903/43/81/2971689753151213 1/211 3/487/89 7/8
108121416140151903/43/81/2121486180923161614 1/412112 1/8
128121416140151903/43/81/2145610339483422191712114 1/2
14812162085151301-1/169/161/21274904111740252118 3/4121 1/816 1/2
16812162065151101-1/169/161/2145610331286472723 1/221 1/4161 1/8
18812162065151101-1/169/161/216381163142056292522 3/4161 1/420 1/2
20812162065151101-1/169/161/2215215051588673527 1/225201 1/422 5/8
221014182265151101-1/169/161/2236716561648704429 1/227 1/4201 3/824 5/8
241014182265151101-1/169/161/225821807170679463229 1/2201 3/826 5/8
26101418225515901-1/169/161/22869199018291005034 1/431 3/4241 3/828 7/8
28101418225515901-1/169/161/23090214319521025836 1/234281 3/830 7/8
30101418225515901-1/169/161/23311229720751175538 3/436281 3/832 7/8
34101418225515901-1/169/161/23752260328011129143 3/440 1/2321 5/837
36101418225515901-1/169/161/2397327563164143994642 3/4321 5/839
40101418225515901-1/169/161/244143062333817310850 3/447 1/4361 5/843
42121418245515801-1/169/161/24732325334231931105349 1/2361 5/845 1/4
44121418245515801-1/169/161/249583407357119813655 1/451 3/4401 3/447 1/4
48121418245515801-1/169/161/254083717386621115459 1/256441 5/851 1/4
50121418245515801-1/169/161/256343872401224016361 3/458 1/4441 7/853 1/4
54121418245515801-1/169/161/260854182430326518566 1/462 3/444257 1/4
56121418245515801-1/169/161/263104341444828820368 3/46548259 1/4
60121418245515801-1/169/161/26761465147363092157369 1/452263 1/4
62121418245515801-1/169/161/271504860482032523075 3/471 3/452265 1/4
66121418245515801-1/169/161/2743751165108350255807652269 1/4
72121418244515701-1/169/161/281135581547738530086 1/282 1/260275 1/4
78121418244515701-1/169/161/28789604659514103259388 3/4602 1/881 1/4
84121418244515701-1/169/161/294656511642543535099 3/495 1/2642 1/487 1/2
96121618244515701-1/169/161/21081774417375485400113 1/4108 1/2682 1/299 3/8
102121620244515701-1/169/161/219850128908331535450120114 1/2722 5/8-
108121620244515701-1/169/161/221915145069785585500126 3/4120 3/4722 5/8-
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