Double-rod Expansion Joint-Henan Kaida Bellows Co., Ltd.

Double-rod Expansion Joint

A tied bellows expansion joint equipped with external rods to control pressure thrust and guide the designed movement of the assembly. Depending on the piping arrangement, it can accommodate controlled displacement while reducing thrust loads transmitted to connected piping and equipment.

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Detailes

Our Manufacturing Capabilities

Nominal Diameter	1.5 ''-155'' (DN32-DN4000)
Nominal Pressure	0.6/1.0/1.6/2.5/4.0 Mpa
Compensation	18–400 mm
Highest Temperature	-40-450 °C
Connection Type	Flanges, Pipes
Flange Materials	Stainless Steel / Carbon Steel / Alloy
Flange Standards	ANSI/DIN/EN/JIS
Body Materials	SS304/316L

Key Specifications of Corrugated Metal Expansion Joints

Nominal diameter	Number of Corrugations	MPa Pressure Level					Effective area of the bellows (cm²)	Maximum Outside 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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