Made in China Large Size Square Bellows Expansion Joint

• Customization: Available
• Connection: Screw
• Kind: Square Compensator
• Model NO.: Square bellows expansion joint
• Head Code: Square
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Customized: Customized
• Certification: CE, ISO14001, JIS, ISO9001
• Warranty: 18 Months
• Bellows Material: SS304,SS316,Ss321
• OEM&ODM: Support
• Company Type: Factory
• Flange Material: Stainless Steel,Carbon Steel
• Transport Package: Wooden Crate
• Specification: stainless steel
• Trademark: CHNFLEX
• Origin: China
• Production Capacity: 5000PCS/Year

Product Description

The metal duct expansion joints is one of the supporting equipment for power plant flue gas ducts, which consists of a rectangular corrugated pipe and two rectangular end fittings. End connection or direct welding with the pipeline, or welding with flanges and then connecting with the pipeline. In addition, the tension rod on the compensator is mainly a rigid support during transportation, and it is not a load-bearing component.

 

NO	Name
1	Flange
2	Bellows
3	Stream direction
4	Inside inner sleeve
5	Outer tube flange

The metal air duct expansion joint, as an elastic component, has the following specific advantages:
1. Flexibility and deformability.
2. Good pressure bearing ability
3. Reduce axial load
4. Absorb equipment vibrations
5. Protect the safety of pipelines and equipment.
In addition, it also has advantages such as durability, high temperature resistance, high pressure resistance, corrosion resistance, and environmental protection.
 

Product Specification

 

Nominal Diameter(DN)	A	B	B1	H	A1	Weight(kg)
300*400	300	400	609	411	709	38.7
300*700		700			1009	52.1
400*500	400	500	709	411	809	47.6
400*800		800			1109	61.2
500*600	500	600	809	411	909	56.7
500*1000		1000	913		1413	111.9
600*700	600	700	909	411	1009	65.6
600*900		900	1013		1313	111.9
700*500	700	500	809	411	1009	61.2
700*800		800	1009		1213	111.9
800*800	800	800	1213	411		118.5
800*1600		1600			2013	171.9
900*400	900	400	709	411	1209	65.6
900*1200		1200	1313		1613	151.7
1000*600	1000	600	1013	411	1413	118.5
1000*1000		1000	1413			145.2
1200*600	1200	600	1013	411	1613	131.8
1200*1200		1200	1613			171.9
1400*700	1400	700	1113	411	1813	151.7
1400*1200		1200	1613			185

A:Inner length      B:Inner width      A₁:External length      B₁:External width
Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering.
 

Product Details

Main products

Application

Metal duct expansion joints application scope: Import and export of various pumps, valves, and air compressors; Various types of fire protection piping, air conditioning piping, steam piping, etc; General factory piping and occasions that require hygiene; Mechanical equipment piping, where shock absorption and compensation for thermal displacement are required; Domestic water piping and occasions that require flexible connections.

Our Services

1.24-hour online
2.Free samples provided
3.Support customization
4.Provide drawings
5.Multiple payment styles to choose from
6.Factory inspection (material, specifications, quantity, pressure, packaging)
7.Long warranty period
8.Suitable packaging for transportation

Our Customer

Certifications

FAQ

Q1:What's the material of metal duct expansion joints?
A1:The material can be SS304,ss306,carbon steel,etc..It depends on the working condition.

Q2:What's the warranty period?
A2:We provide 18 months' warranty.

Q3:What certificates can you provide?
A3:We could provide CE,ISO certificate. 

Q4:Can we get a sample?
A4:Yes,we could provide samples for you to test the quality.