HINGED EXPANSION JOINT

These expansion joints contain hinges or pivots which cause the unit to bend in a single plane. Normally these units are prevented by their design from deflecting axially, either in extension or compression. Their hinge mechanisms are usually designed to accept the full pressure thrust. Also, because of the hinge mechanism’s design, shear loads, such as from the weight of adjacent piping, can be accepted by this expansion joint, relieving the piping designer of having to provide additional supports and anchors required by the Single type.

  • Application

    Steam, cold water, hot water, and other pipelines.

  • Pressure

    0.2 MPa to 0.8 MPa

Diameter
No.		 Outside
Dia.(mm)		 No. of
Convol.		 Single type Double Type Maximum Lateral Deflection
Angular
Rotation		 Length(mm)
Weight(kg)		   Length
1000mm		 Length
1500mm		 Length
2000mm		 Length
2500mm		 Length
3000mm		 Length
4000mm
50A 150 4 8.53 264 Deflection(mm) 109 184 258 332 407 556
20 Weight(kg) 38 41 44 47 50 56
65A 170 4 9.01 272 Deflection(mm) 91 154 217 280 343 469
25 Weight(kg) 47 51 56 60 65 74
80A 210 4 8.03 272 Deflection(mm) 83 140 198 255 313 428
29 Weight(kg) 55 61 67 73 79 91
100A 220 4 7.01 328 Deflection(mm) 68 119 170 221 273 375
40 Weight(kg) 73 80 88 96 104 120
125A 270 4 5.66 328 Deflection(mm) 57 100 142 185 228 313
47 Weight(kg) 85 94 103 112 121 139
150A 310 4 9.64 432 Deflection(mm) 82 154 226 298 370 514
68 Weight(kg) 122 136 151 166 180 210
200A 360 4 7.28 462 Deflection(mm) 60 117 173 230 286 399
89 Weight(kg) 154 176 199 221 244 289
250A 410 5 7.34 540 Deflection(mm) 53 111 173 228 286 402
120 Weight(kg) 194 225 257 288 320 383
300A 460 5 6.11 590 Deflection(mm) 40 89 138 188 237 335
166 Weight(kg) 258 299 341 382 424 507
350A 510 6 7.65 618 Deflection(mm) 46 107 168 228 290 411
208 Weight(kg) 314 364 414 464 514 614
400A 570 6 6.68 618 Deflection(mm) 41 95 149 202 256 363
261 Weight(kg) 394 459 524 589 654 784
450A 630 6 5.91 618 Deflection(mm) 36 84 132 180 228 324
295 Weight(kg) 446 521 596 671 746 896
500A 300 6 5.24 618 Deflection(mm) 35 75 118 161 204 290
345 Weight(kg) 517 582 647 712 777 907