Customizable Round Metal Expansion Joint Compensators in Silver Finish

• Customization: Available
• Connection: Flange
• Kind: Corrugated Compensator
• Model NO.: DN65-DN3000
• Type: Axial
• Head Code: Round
• Material: Stainless Steel
• Surface Treatment: Galvanized
• Customized: Customized
• Certification: CE, ISO14001, JIS, ISO9001
• Warranty: 12 Months
• Application: Delivery Pipe
• Transport Package: Wooden Box
• Specification: 3
• Trademark: SENOTAY
• Origin: China
• HS Code: 7307990000
• Production Capacity: 5000
• Package Size: 100.00cm * 100.00cm * 50.00cm
• Package Gross Weight: 30.000kg

Product Description

Metal bellows expansion joints, often referred to as metallic compensators or flexible joints, are indispensable engineering marvels crafted to masterfully absorb thermal expansion, dampen vibrations, and accommodate mechanical movements within piping systems, pressure vessels, and a wide array of industrial apparatus. Expertly constructed from cutting-edge, high-performance alloys, these robust devices safeguard system integrity, preclude stress-induced damage, and significantly bolster operational safety across a spectrum of demanding industries including petrochemical, power generation, aerospace, and HVAC. Trust in their innovation to deliver excellence and reliability in every operation.

Structure and Components
A typical metal bellows expansion joint comprises:

• Bellows Element: The core flexible component, formed by convolutions (U-shaped or Ω-shaped) that allow axial, lateral, and angular movement.

• End Connections: Flanges, weld ends, or threaded fittings for seamless integration into pipelines.

• Internal Liners: Optional sleeves to reduce turbulence and protect bellows from abrasive media.

• External Covers: Protective shrouds to shield against external damage or insulation.

• Tie Rods/Control Rods: Limit movement and absorb pressure thrust in pressurized systems.

size	Number of ripples	Stress Level					Bellows Effective area	Maximum outer diameter
		0.25	0.6	1.0	1.6	2.5
		Axial compensation	Stiffness	Axial compen sation	length	toughness
		mm	N/mm	mm	mm	N/mm	CM2	mm
125	5	48/38	42/47	38/59	34/74	29/117	180	334
125	9	85/23	77/29	66/36	58/45	49/63	180	334
150	5	49/42	44/50	40/62	34/78	29/92	257	364
150	8	79/34	71/43	64/51	54/59	50/56	257	364
200	4	52/49	46/55	42/68	38/78	29/97	479	442
200	6	73/31	65/44	59/52	53/58	46/65	479	442
250	4	72/30	65/34	59/42	52/45	34/111	769	507
250	6	108/16	97/21	87/35	79/39	48/78	769	507
300	4	72/51	65/55	59/59	52/65	47/55	1105	562
300	6	108/32	97/35	73/37	79/31	71/47	1105	562
350	4	72/58	65/62	59/67	52/74	47/71	1307	622
350	6	108/38	87/41	87/44	79/48	71/45	1307	622
400	4	72/58	65/68	59/62	52/68	47/81	1611	700
400	6	108/36	97/39	87/43	79/47	71/47	1611	700
450	4	108/32	97/35	87/37	79/41	47/75	1972	760
450	6	162/20	145/22	131/23	118/25	71/52	1972	760
500	4	108/59	97/64	87/68	79/75	71/45	2445	835
500	6	162/34	145/37	131/39	118/43	106/28	2445	835
600	4	108/74	97/80	87/85	79/94	71/82	3534	980
600	6	164/42	145/45	131/49	118/53	106/48	3534	980
700	4	108/67	97/72	87/77	79/85	71/103	4717	1110
700	6	162/42	145/45	131/49	118/53	106/60	4717	1110
800	4	120/88	108/95	102/102	94/112	71/95	5822	1265
800	6	183/67	164/72	156/77	144/85	106/60	5822	1265
900	4	120/84	108/90	102/97	94/107	82/123	7620	1186
1000	4	120/91	108/98	102/105	94/116	82/117	9043	1286
1000	6	183/59	164/65	156/71	144/85	125/84	9043	1286