Stainless Steel Bellows Expansion Joints

• Customization: Available
• Application: Chemical
• Material: Stainless Steel
• Model NO.: Comflex
• Product Name: Stainless Steel Bellows Expansion Joints
• Size: Dn40-600mm
• Thickness: 1-12mm
• Bellow: Single Layer or Multi-Layer
• Body Material: SUS304, 321, 316L
• Application Temperature: -50 ºC~300ºC
• Pressure: Pn10-Pn25
• Warranty: 12 Months
• Customized: According to Buyers′ Requirement
• Temperature Classification: High Temperature Piping
• MPa Classfication: High Pressure Piping
• Standard: ASTM, GB, DIN, JIS
• Cross-Section Shape: Round
• Connection Type: Flange
• Diameter: Dn40-600mm
• Medium: Gas or Liquid
• Transport Package: Standard Seaworthy
• Specification: ISO9001
• Trademark: Comflex
• Origin: China, Jiangsu
• HS Code: 84099910
• Production Capacity: 50000PCS /Year

Product Description

 

Stainless Steel Bellows Expansion Joints

 

Feature:

1. To Absorb large axial displacement between straight tube and support frame , and small horizontal displacement;

2. To resolve minor deviation because of piping connection and eliminate the pipeline residual stress;

3. Easy cleaning and maintenance.

Applications: For the chemical industry, metallurgy, electricity, shipbuilding, construction and other industries.

Application temperature:-50 ºC~300ºC.

No.	Parts		Materials
1	Flange		SUS304/316L / SS400
2	Bellows		SUS304/316L/321
3	internal sleeve		SUS304/316L
4	tie-rod		SUS304/S15C
5	pipe end		SUS304/316L/SGP
6	Nut		SUS304/S15

Parameter

(Bellows layers:  1 single-layer  2 double--layer)

Bellows		Overall length	Bellows Form					Displacement				Pressure
Inner Diameter			Length of Bellows	Dia.of Bellows	Effec. Area	Horizontal stiffness		Tension		Compression		Working Pressure
			1,2			1	2	1	2	1	2
mm	inch	mm	mm	mm	cm²	N/ mm	N/ mm	mm	mm	mm	mm	Kg/cm²	Kg/cm²
40	1½	300	136	65.7	26.1	75.52	82.22	5	5	-30	-30	10	16
50	2	300	120	81.2	39.8	7.085	97.12	5	10	-30	-30	10	16
65	2½	300	120	97.2	59.7	83.89	110.84	5	10	-30	-30	10	16
80	3	300	132	113.7	81.2	119.17	140.92	5	10	-30	-30	10	16
100	4	300	132	139.7	128.1	148.76	173036	5	10	-30	-30	10	16
125	5	300	132	165.7	185.5	178.76	207.07	5	10	-30	-30	10	16
150	6	350	180	196.7	259.3	172.58	204.72	10	10	-40	-45	10	16
200	8	350	198	247.7	425.3	202.57	258.72	10	10	-40	-45	10	16
250	10	350	200	309.7	659.2	327.71	493.14	10	10	-40	-45	10	16
300	12	350	200	359.7	906.3	385.34	574.57	10	10	-40	-45	10	16
350	14	400	200	397.7	1120.4	429.63	524.59	10	10	-40	-55	10	16
400	16	400	210	469.1	1514.3	710.4	841.13	10	10	-40	-55	10	16
450	18	400	210	501.1	1743.1	760.77	896.8	10	10	-40	-55	10	16
500	20	400	210	551.9	2139.3	845.64	989.41	10	10	-40	-55	10	16
550	22	400	210	602.7	2576	931.3	1085.15	10	10	-40	-55	10	16
600	24	400	210	653.5	3053.3	1016.55	1181.88	10	10	-40	-55	10	16
Flange standards are based on JIS, ANSI, DIN, BS, JB, and other standards. Bellows are designed & manufactured according to EJMA code with10 ³ cycle life. Size available: Ø40mm-Ø7000mm

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