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Catalog: Expansion Joints & Flexible Hoses

DELCO TB Type Stainless Steel Expansion Joint, Axial Ripple Compensator - DN32-DN350

Engineered to absorb axial thermal expansion and dampen mechanical vibration in complex piping systems. Featuring a multi-ply stainless steel bellows design, this compensator protects critical equipment from stress fatigue in heating, ventilation, and industrial fluid networks.

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Features

A robust stress-relief solution delivering superior axial compensation and vibration isolation for high-pressure industrial pipelines.

✅Multi-Ply Stainless Steel Bellows: Constructed with precision-formed SS304/SS316 corrugations, ensuring high flexibility and fatigue resistance compared to single-layer alternatives.

✅Axial & Lateral Compensation: primarily designed for axial displacement absorption, it also accommodates minor lateral misalignment, preventing the structural damage often seen in rigid piping connected to Butterfly Valves.

✅High Pressure Rating: Available in pressure classes from 0.25 MPa to 2.5 MPa, maintaining structural integrity and leak-free performance even under substantial internal pressure loads.

✅Versatile End Connections: Offered with standard rotating flanges or weld ends to match existing infrastructure, facilitating easy installation in restricted spaces.

✅System Protection: Acts as a vital shock absorber to eliminate water hammer effects and reduce noise transmission, significantly extending the lifespan of adjacent pumps and instrumentation.

Photo

Main Outline Connection Dimensions

Nominal Diameter (DN)	Waves	0.25 MPa (Comp./Stiff.)	0.6 MPa (Comp./Stiff.)	1.0 MPa (Comp./Stiff.)	1.6 MPa (Comp./Stiff.)	2.5 MPa (Comp./Stiff.)	Effective Area (cm²)	Max O.D. (mm)	Length L (mm) Flange End	Length L (mm) Weld End
32	8	25 / 21	22 / 26	20 / 26	18 / 63	—	16	225	160 / 250	264 / 280
32	16	50 / 11	46 / 14	41 / 14	36 / 32	—	16	225	224 / 291	316 / 321
40	8	25 / 28	22 / 44	20 / 44	18 / 89	15 / 98	23	244	164 / 259	269 / 289
40	16	50 / 14	46 / 22	41 / 22	36 / 45	31 / 47	23	244	230 / 304	319 / 334
50	8	25 / 30	22 / 51	20 / 70	18 / 70	15 / 106	37	259	172 / 276	282 / 306
50	16	50 / 16	46 / 26	41 / 35	36 / 35	31 / 55	37	259	240 / 342	347 / 372
65	8	33 / 28	30 / 35	26 / 44	22 / 55	15 / 138	55	270	215 / 294	300 / 322
65	12	42 / 16	38 / 22	38 / 32	34 / 40	31 / 70	55	270	260 / 334	340 / 362
80	8	40 / 20	36 / 26	34 / 33	28 / 41	19 / 68	81	284	240 / 338	344 / 366
80	10	53 / 14	49 / 17	49 / 21	43 / 26	29 / 50	81	284	270 / 368	374 / 390
100	6	45 / 47	45 / 60	40 / 75	35 / 93	25 / 54	121	304	235 / 317	323 / 345
100	10	76 / 26	74 / 32	64 / 40	57 / 50	38 / 33	121	304	305 / 381	387 / 409
125	5	48 / 38	42 / 47	38 / 59	34 / 74	29 / 117	180	334	282 / 314	316 / 342
125	9	85 / 23	77 / 29	66 / 36	58 / 45	49 / 63	180	334	382 / 386	388 / 414
150	5	49 / 42	44 / 50	40 / 62	34 / 78	29 / 92	257	364	282 / 339	338 / 367
150	8	79 / 34	71 / 43	64 / 51	54 / 59	50 / 56	257	364	356 / 399	402 / 427
200	4	52 / 49	46 / 55	42 / 68	38 / 78	29 / 97	479	442	280 / 348	348 / 372
200	6	73 / 31	65 / 44	59 / 52	53 / 58	46 / 65	479	442	340 / 402	402 / 426
250	4	72 / 30	65 / 34	59 / 42	52 / 45	34 / 111	769	507	315 / 379	415 / 379
250	6	108 / 16	97 / 21	87 / 35	79 / 39	48 / 78	769	507	393 / 459	493 / 399
300	4	72 / 51	65 / 55	59 / 59	52 / 65	47 / 55	1105	562	366 / 427	466 / 467
300	6	108 / 32	97 / 35	87 / 37	79 / 41	71 / 47	1105	562	464 / 525	564 / 565
350	4	72 / 58	65 / 62	57 / 67	52 / 74	47 / 71	1307	622	397 / 452	497 / 492

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