Series SJ-221

The SJ-221 expansion joint features a unique arch design which provides greater movement capabilities without increasing face-to-face requirements. The single arch SJ-221 provides the same movement capabilities as a traditional double arch design, while the double arch SJ-222 is equivalent to a quadruple arch product. This design also increases the flexibility of the joint, resulting in lower spring rates. This means less stress on adjacent piping system components

Specifications

ID (in)F/F per Arch (in) - 1F/F per Arch (in) - 2SR (psi)LP (psi)HP (psi)Compression (in)Extension (in)Lateral (in)Joint Weight (lb)Rings Weight (lb)Compression Force (lb)Extension Force (lb)Lateral Force (lb)Flange OD (in)Bolt Circle (in)Number of HolesDiameter Holes (in)Ring ID (in)
26101651520011/2135808017564 3/443/43 5/8
2 1/26101651520011/213.8613013021975 1/243/44 1/8
36101651520011/21471801802627 1/2643/44 5/8
46101651520011/215.5823023035097 1/283/45 7/8
56101651520011/215.89240240381108 1/287/86 7/8
66101651520011/21910270270412119 1/287/87 7/8
8610140151901-1/23/41181533033047613 1/211 3/487/89 7/8
10816140151901-1/23/41271875075013341614 1/412112 1/8
12816140151901-1/23/4131258008001541191712114 1/2
148168515130211382786586517482118 3/4121 1/816 1/2
1681665151102114433933933194323 1/221 1/4161 1/818 1/2
18816651511021149331000100021502522 3/4161 1/420 1/2
208166515110211533810651065235827 1/225201 1/422 5/8
2210166515110211544411351135255329 1/227 1/4201 3/824 5/8
241016651511021164481200120027603229 1/2201 3/826 5/8
261016551590211735712651265299034 1/431 3/4241 3/828 7/8
281016551590211816213351335317436 1/234281 3/830 7/8
301016551590211846614001400338138 3/436281 3/832 7/8
321016551590211957514651465360041 3/438 1/2281 5/835
3410165515902111037815351535379543 3/440 1/2321 5/837
361018551590211110811771177144554642 3/4321 5/839
3810185515902111199518431843509748 3/445 1/4321 5/841
40101855159021112510619211921537550 3/447 1/4361 5/843
4212185515802111551161992199256255349 1/2361 5/845 1/4
44121855158021116512720652065586355 1/451 3/4401 5/847 1/4
46121855158021117813221422142611657 1/453 3/4401 5/849 1/4
48121855158021118713822142214636659 1/256441 5/851 1/4
50121855158021120015422862286660361 3/458 1/4441 7/853 1/4
5212185515802112131572365236568686460 1/2441 7/855 1/4
54121855158021122416024352435712166 1/462 3/4441 7/857 1/4
56121855158021123717425072507734468 3/465481 7/859 1/4
5812185515802112501822585258576227167 1/4481 7/861 1/4
6012185515802112621902657265778757369 1/4521 7/863 1/4
62121855158021127521228342834837775 3/471 3/4521 7/865 1/4
6612185515802113052362988298888788076521 7/869 1/4
72121845157021135027832103210963286 1/282 1/2601 7/875 1/4
78121845157021139429634323432103879389642 1/881 1/4
841218451570211438336365336531108699 3/495 1/2642 1/887 1/2
9612184515702115264803875387511838113 1/4108 1/2682 3/899 3/8
4096409612620
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