Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi

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Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi Detail:

Basic Parameters:

Specification

DN50-DN8000

Compensator

Axial and lateral

Bellows Material

S. S. 304, 321, 316L

Other Parts Material

Carbon steel, stainless steel, PTFE

Bellow Type

Single layer or multi-layer

Connection type

Welded

Design Temp

Max 1300 deg. C

Design Pressure

Max 4.0MPa

Movement

0-40 deg.

Certification

ISO9001

OEM/ODM Service

Available for flexible metal tube

Testing

1. Chemical analysis for material

2. Mechanical property testing for material

3. NDT will be carried out on all products

4. Pressure testing

5. Painting testing

6. Dimension and appearance quality inspection

7. Package inspection

 

description:

Corrugated tube refers to a tubular elastic sensitive element connected with foldable corrugated sheets along the folding and stretching direction. Bellows are widely used in instruments and meters. The main purpose is as a measuring element of pressure measuring instruments to convert pressure into displacement or force. The bellows has a thinner wall and higher sensitivity, and the measurement range is from tens of Pa to tens of MPa. Its open end is fixed, the sealed end is in a free state, and an auxiliary coil spring or reed is used to increase the elasticity. When working, it stretches along the length of the pipe under the action of the internal pressure, so that the movable end produces a displacement that has a certain relationship with the pressure. The movable end drives the pointer to directly indicate the pressure. Bellows are often combined with displacement sensors to form pressure sensors whose output is electricity, and are sometimes used as isolation elements. Since the stretching of the bellows requires a large volume change, its response speed is lower than that of the Bourdon tube. Bellows are suitable for measuring low pressures.

Different of bellows:

Corrugated pipes mainly include metal bellows, corrugated expansion joints, corrugated heat exchange tubes, diaphragm bellows and metal hoses. Metal bellows are mainly used for compensating pipeline thermal deformation, shock absorption, absorbing pipeline settlement deformation and other functions, and are widely used in petrochemical, instrumentation, aerospace, chemical, electric power, cement, metallurgy and other industries. Corrugated pipes of other materials such as plastics play an irreplaceable role in media transmission, power threading, machine tools, home appliances and other fields.

Bellows: A pressure measuring elastic element in a pressure measuring instrument. It is a cylindrical thin-walled corrugated shell with multiple transverse corrugations. The corrugated pipe is elastic and can be displaced under the action of pressure, axial force, transverse force or bending moment. Bellows are widely used in instruments and meters. The main purpose is as a measuring element of pressure measuring instruments to convert pressure into displacement or force. The bellows has a thinner wall and higher sensitivity, and the measurement range is from tens of Pa to tens of MPa. In addition, bellows can also be used as sealing isolation elements to separate two media or prevent harmful fluids from entering the measuring part of the device. It can also be used as a compensation element, using its volume variability to compensate for instrument temperature errors. Sometimes it is also used as an elastic coupling joint of two parts, etc. Corrugated pipes can be divided into metal corrugated pipes and non-metallic corrugated pipes according to their constituent materials; they can be divided into single-layer and multi-layer according to their structure. Single-layer corrugated pipes are widely used. Multilayer bellows have high strength, good durability and low stress, and are used in important measurements. The material of bellows is generally bronze, brass, stainless steel, Monel and Inconel.

Finished and semi-finished

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Product detail pictures:

Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi detail pictures

Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi detail pictures

Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi detail pictures

Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi detail pictures


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We offer fantastic energy in high quality and enhancement,merchandising,profits and promoting and procedure for Factory Wholesale Chemical Industry Expansion Joint - Metal Bellows – Xinqi , The product will supply to all over the world, such as: Argentina, Algeria, Qatar, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we are committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.

1.Shrink bag–> 2.Small Box–> 3.Carton–> 4.Strong Plywood Case

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1.Professional manufactory.
2.Trial orders are acceptable.
3.Flexible and convenient logistic service.
4.Competitive price.
5.100% testing,ensuring the mechanical properties
6.Professional testing.

1.We can guarantee the best material according to related quotation.
2.Testing is performed on each fitting before delivery.
3.All packages are adapt for shipment .
4. Material chemical composition is conformed with international standard and environment standard.

A) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider. 

B) How can I get some samples?   
If you need, we will offer you samples for free, but new customers are expected to pay express charge. 

C) Do you provide customized parts? 
Yes, you can give us drawings and we will manufacture accordingly. 

D) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.). 

E) I can’t see the goods or touch the goods, how can I deal with the risk involved?  
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.

  • The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Karl from Mexico - 2018.12.11 11:26
    This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
    5 Stars By Johnny from Holland - 2017.06.25 12:48
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