Series SJ-221 

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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

Size (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) HPJoint Weight (lb)Rings Weight (lb)Axial Compression
(in)
Axial Extension
(in)
Lateral Deflection
(in)
Angular Deflection (º)Compression (lb/in)Extension (lb/in)Lateral
(lb/in)
Angular
(ft-lb/º)
 Size (mm)F/F per Arch (mm) 1F/F per Arch (mm) 2F/F per Arch (mm) 3F/F per Arch (mm) 4Pressure (kpa) SRPressure (kpa) LPPressure (kpa) HPJoint Weight (kg)Rings Weight (kg)Axial Compression
(mm)
Axial Extension
(mm)
Lateral Deflection
(mm)
Angular Deflection (º)Compression (N/mm)Extension (N/mm)Lateral
(N/mm)
Angular
(N-m/º)
26101416165152003510.5129.01852763500.2850152.4254355.6406.41138.5103.513801.352.2525.412.725.429.032375610.38
2 1/26101416165152003.8610.5123.02323443810.5265152.4254355.6406.41138.5103.513801.712.725.412.725.423.041468670.71
36101416165152004710.5120.02784144120.8080152.4254355.6406.41138.5103.513801.83.1525.412.725.420.049563721.09
46101416165152005.5810.5115.03715524761.87100152.4254355.6406.41138.5103.513802.4753.625.412.725.415.065751832.54
56101416165152005.8910.5112.04636885463.67125152.4254355.6406.41138.5103.513802.614.0525.412.725.412.081936964.99
661014161651520091010.5110.05568266176.40150152.4254355.6406.41138.5103.513804.054.525.412.725.410.09711231088.70
861016201401519018151.50.75111.064791975313200152.4254406.4508966103.513118.16.7538.119.0525.411.0113124913217
1081616201401519027181.50.7519.0809114880924250203.2406.4406.4508966103.5131112.158.138.119.0525.49.0142156114233
1281616201401519031251.50.7517.5971137794842300203.2406.4406.4508966103.5131113.9511.2538.119.0525.47.5170187316657
148162024851513038272116.5637904111749350203.2406.4508609.6586.5103.589717.112.1550.825.425.46.5111122919567
168162024651511044332115.57281033128676400203.2406.4508609.6448.5103.575919.814.8550.825.425.45.51271405225103
188162024651511049332115.081911631420106450203.2406.4508609.6448.5103.575922.0514.8550.825.425.45.01431582249145
208162024651511053382115.0107615051588152500203.2406.4508609.6448.5103.575923.8517.150.825.425.45.01882047278207
2210162024651511054442114.5118416561648206550254406.4508609.6448.5103.575924.319.850.825.425.44.52072252288280
2410162024651511064482114.0129118071706275600254406.4508609.6448.5103.575928.821.650.825.425.44.02262458299373
261016202455159073572114.6143519901829287650254406.4508609.6379.5103.562132.8525.6550.825.425.44.62512706320390
281016202455159081622114.0154521431952383700254406.4508609.6379.5103.562136.4527.950.825.425.44.02702914342520
301016202455159084662114.0165622972075438750254406.4508609.6379.5103.562137.829.750.825.425.44.02903124363595
321016202455159095752113.6176624502438556800254406.4508609.6379.5103.562142.7533.7550.825.425.43.63093332427756
3410162024551590103782113.5187626032801646850254406.4508609.6379.5103.562146.3535.150.825.425.43.53283540490878
3610182024551590110812113.0198727563164844900254457.2508609.6379.5103.562149.536.4550.825.425.43.034837485541148
3810182024551590119952113.0209729093251943950254457.2508609.6379.5103.562153.5542.7550.825.425.43.036739565691283
40101820245515901251062113.022073062333810421000254457.2508609.6379.5103.562156.2547.750.825.425.43.038641645841417
42121820245515801551162113.023663253342311631050304.8457.2508609.6379.5103.555269.7552.250.825.425.43.041444245991582
44121820245515801651272113.024793407357112711100304.8457.2508609.6379.5103.555274.2557.1550.825.425.43.043446346251728
46121820245515801781322112.625913562371816081150304.8457.2508609.6379.5103.555280.159.450.825.425.42.645348446512186
48121820245515801871382112.527043717386618261200304.8457.2508609.6379.5103.555284.1562.150.825.425.42.547350556772483
50121820245515802001542112.528173872401219681275304.8457.2508609.6379.5103.55529069.350.825.425.42.549352667022676
52121820245515802131572112.529284027415721381300304.8457.2508609.6379.5103.555295.8570.6550.825.425.42.551254777272907
54121820245515802241602112.530434182430323081375304.8457.2508609.6379.5103.5552100.87250.825.425.42.553256887533139
56121820245515802371742112.531554341444824651400304.8457.2508609.6379.5103.5552106.6578.350.825.425.42.555259047783352
58121820245515802501822112.032664492459233101475304.8457.2508609.6379.5103.5552112.581.950.825.425.42.057261098044502
60121820245515802621902112.033814651473635371500304.8457.2508609.6379.5103.5552117.985.550.825.425.42.059263258294810
66121820245515803052362112.037195116510842881675304.8457.2508609.6379.5103.5552137.25106.250.825.425.42.065169588945832
72121820244515703502782111.840575581547756811800304.8457.2508609.6310.5103.5483157.5125.150.825.425.41.871075909587726
78121820244515703942962111.843956046595166911975304.8457.2508609.6310.5103.5483177.3133.250.825.425.41.8769822310419100
84121820244515704383362111.647336511642586412100304.8457.2508609.6310.5103.5483197.1151.250.825.425.41.68288855112411752
96121820244515705264802111.4540974417375134412400304.8457.2508609.6310.5103.5483236.721650.825.425.41.494610120129118280
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