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Model No. : | G080 |
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Brand Name : | Liwei |
Product description
Features of Metal Expansion Joint
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:-40300°c
Manufacture of Metal Expansion Joint
Welded Metal 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.
Quality Assurance of Metal Expansion Joint
Henan Liwei Pipeline Equipment Co. Ltd is committed to maintaining a Total Quality Program throughout all phases of its operation. The existing program represents an ongoing effort by the management and employees to continually reduce the variability in all processes and to produce the highest quality products for their customers.
Why choose LIWEI?
Work with the best engineers in the industry
ISO9001/14001
Superior Performance
Excellent Response Time
Competitive Pricing
Value Added Services
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