Double-row Universal Joint-type Expansion Joint-Henan Kaida Bellows Co., Ltd.

Double-row Universal Joint-type Expansion Joint

A jointed bellows expansion joint with a double-row articulated structure, designed to accommodate angular and lateral movement while restraining pressure thrust through the joint hardware. It is intended for piping layouts that require directional movement rather than simple axial compression.

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Detailes

Our Factory's Production Capacity

Nominal diameter	1.5''-155''（DN32-DN4000）
Nominal pressure	0.6/1.0/1.6/2.5/4.0Mpa
Compensation	18–400 mm
Maximum Temperature	-40 to 450°C
Connection Type	Flanges, Pipes
Flange Material	Stainless steel/carbon steel/alloy
Flange Standards	ANSI/DIN/EN/Japanese JIS
Body Material	Stainless Steel 304/316L

Key Specifications of Corrugated Metal Pipe Expansion Joints

Nominal diameter	Number of ripples	MPa pressure rating					Effective area of the bellows (cm²)	Maximum outer diameter (mm)
		0.25	0.6	1	1.6	2.5
		Axial compensation (mm), N/ram
32	8	25/21	22/26	20/26	18/63	15/98	16	110
40	8	25/28	22/44	20/44	18/89	15/106	23	130
50	8	25/30	22/51	20/70	18/70	15/138	37	150
65	8	33/28	30/35	26/44	22/55	19/68	55	170
80	8	40/20	36/26	34/33	28/41	24/54	81	200
100	8	45/47	45/60	40/75	35/93	29/117	121	220
125	6	48/38	42/47	38/59	34/74	29/92	180	250
150	6	49/42	44/50	40/62	34/78	29/97	257	250
200	6	52/49	46/55	42/68	38/78	34/111	479	300
250	6	72/30	63/34	59/42	52/45	47/55	769	300
300	6	72/51	65/55	59/59	52/65	47/71	1105	340
350	6	72/58	65/62	59/67	52/74	47/81	1307	340
400	6	75/60	72/70	65/72	60/80	55/90	1430	380

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