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High Quality Metal Bellows Expansion Joints

Unit Price:  2~6  |  Get Latest Price
Unit Price: FOB 2~6 
Payment Type: T/T,L/C,Western Union
Incoterm: FOB
Min. Order: 1 Set/Sets
Delivery Time: 15 Days
Transportation: Ocean,Land,Air

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Ms. Apple Yang
  • Product Details
  • Company Profile

Product Description

  • Model No.: liwei
  • Packaging: wooden case or as your request
  • Productivity: 1500set /sets per month
  • Brand Name: LIWEI
  • Place of Origin: China
  • Supply Ability: 1500set /sets per month
  • Certification: CE
Metal Bellows Expansion Joint


Metal Expansion Joints manufacturer

1)Wide temperature range

2)High quality low price


4)Custom services

2.Introduction of Metal Bellows Expansion Joints

Metal Bellows Expansion Joints (they are also called compensators) are compensating elements for thermal expansion and relative movement in pipelines, containers and machines. They consist of one or more metal bellows, connectors at both ends, and tie rods that depend on the application. They are differentiated according to the three basic types of movement: axial, angular and lateral expansion joints.

Metallic Expansion Joins are elastic vessels that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been stressed past its yield strength).

3.Features of Metal Bellows Expansion Joints

1) Reasonable structure, good elasticity, large range of compensation pipeline and little counterforce to the brackets of pipeline.

2)Shock absorption and noise decrease, heat and dust insulation, environmental protection and simple structure bracket.

3)The displacement can be deflected to prevent damagment caused by subsidence of connected brackets and equipment base. It can adapt itself to the centrifugal difference of pipeline installation to provide convenience to installation and maintenance.

4) Good resistance to milling, heat, aging and corrosiveness and long service life.

5)Little resistance and little weight. Each performance is better than the compensation device of other materials.

6) The temperature range of media is wide:-40300oC

4.Manufacture of Metal Bellows Expansion Joints

Welded Metal Bellows Expansion Joints can be fabricated from a variety of exotic metals and alloys, whereas formed bellows are limited to alloys with good elongation brass being a prime example. Welded bellows are not fabricated from brass because of its fundamentally poor weldability. Other advantages to welded bellows include compactness (higher performance in a smaller package), ability to be compressed to solid height with no damage, resistance to nicks and dents, and dramatically greater flexibility.

The welding of metal bellows is a microscopic welding process, typically performed under laboratory conditions at high magnification.

Hydroformed bellows are produced by forcing a metal tube to expand under hydraulic pressure inside a bellows-shaped mold, and assume the convoluted shape of the mold.

Electroformed bellows are produced by plating metal onto a bellows-shaped model (mandrel), and the subsequent mandrel removal by chemical or physical means.

5.Our Advantages:

(1)More than 24 years experience of manufacture
(2)The Main Drafting Units of Chinese Standard flexible rubber joint
(3)Compensator engineering research center of Zhengzhou city.
(4)Member of CNEA(China Nuclear Energy Association )
(5)ISO9001:2008 and ISO14001:2004 certificated by CNAS(China National Accreditation Service for Conformity Assessment)
(6)The largest vulcanizing equipment in China.

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Henan Liwei Industry Co. Ltd, located at Shangjie District, Zhengzhou city, is a manufacturer specializing in processing various steam, water, wind pipe expansion joints and compensation joints, and a main base for producing rubber , metal and non-metallic pipe joints It is also the appointed enterprise by the former chemical industry ministry, national construction ministry and general petrol chemical company, member unit of China Water Supply Association and power Equipment Network Union, and joints production unit recommended by China Water Association and National Metallurgy Ministry. Liwei brand flexible rubber joints have various heavy calibers, types and high quality in the country. The products series have won four patents and our company is name [Quality and Credit Unit" by Henan Province. Our products have become the first choices for national power design, municipality and metallurgy units. At present, our products include four serial flexible rubber joints, three types, tens of standard and common specification, eight series of metal pipe losing compensation joints and fourteen standard specifications and types, eleven types of standard and common specification products for four serial wind pipe non-metal compensators. Our annual comprehensive production capacity can reach over forty thousand sets and we also process various pipe joint matching flat welding flanges (steel international/non-international standard).Our products have been sold in over thirty cities and autonomous regions. With China`s entry to the WTO, our products have been exported to foreign countries as Italy, Spain, Pakistan, Singapore and East European countries, etc. and the products have become public famous brand products for design units and clients. Our company has been equipped with rich technical strength, excellent design and complete products test measures. We also own a set of strict management system and high-quality technicians. In 2004, we have gained ISO9001 and ISO14001 certificate. Insisting on the rennet [Development Through Technology, Making More Friends, Creating Green Environment and Responsible For Future", the company has been devoting itself to creating top products and well serving all clients around the world, Liwei brand products will be a red line between we and the clients for ever. Our Advantages: 1) Guaranteed quality of all the products we supplied; 2) More than 30 years` experiences of export; 3) ISO9000 and ISO14001 certified; 4) Reasonable prices; 5) Ensured delivery schedule. Welcome to contact us freely!

Basic Information

  • Company Name:

    Henan Liwei Industry Co., Ltd.

  • Product/Service:

    rubber joint bellows

  • Product Range:

    Pipe & Tube , Other Pump & Vacuum Equipment , Water Pump

  • Company Address:

    :NO.68, Mengjin Road, Shangjie District, Zhengzhou City, Henan Province, China

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