Horizontal Large Pull Rod Expansion Joint Double Tied GB/ T12777-2008 Standard

horizontal large pull rod bellows expansion joint GB/ t12777-2008

Product Description

The double pull rod type expansion joint is composed of two bellows connected by the middle pipe, the pull rod, the end plate, the spherical and conical washer and other structural parts, which can absorb the transverse displacement in any plane and can withstand the expansion joint of the bellows pressure thrust.

Product Specification

Product name: horizontal large pull rod bellows expansion joint

Nominal diameter: dn100-dn3000 (mm)

Design pressure: 0.1 ~ 2.5 (Mpa)

Design temperature: -20℃ ~ 950℃

Connection: flange/welding

Standard: GB/ t12777-2008

Material: SUS304, SUS321,SUS316L

Product Features

It is composed of two bellows connected by the intermediate pipe and tie rod, end plate and spherical and conical gasket. It mainly absorbs the transverse displacement, and can also be used to compensate the axial, transverse, angular and arbitrary displacement combined by these three forms.It is recommended to install the double pull rod type expansion joint in the middle short pipe arm of the 90° z-shaped pipe to compensate for the axial displacement of the long pipe at both ends.

Jiangsu Qianyuan Feida Power Equipment Co., Ltd. (formerly Zhenjiang Feida Expansion Joint Manufacturing Co., Ltd.) is a designated joint enterprise of the former Ministry of Power, Machinery and Chemical Industry. At present, the company covers an area of 60,000 square meters and a building area of 40,000 square Meters, 120 employees, including 20 technical personnel, total assets of more than 25 million yuan. 

The company's main products:

1.Metal, non-metal and air-cooled island expansion joints, etc.
2. Air damper series, smoke duct shut down, adjusting baffle, isolation door, flapper door;

3. Constant force spring support hanger, variable spring support hanger;

4. Auxiliary equipment of power station: steel structure, oiling Device and lubricating oil storage tank, centrifugal oil purification device
Company), electric air heaters, gasifiers, plate heat exchangers and units, fully automatic constant-speed pulverized coal samplers; fast cooling devices for steam turbines, DC bolt electric heaters for steam turbines; multi-stage water seals, steam-water separators, agents APV plate heat exchanger; American Tysil Roots fan, complete set of ash storage equipment, anti-blocking device of raw coal bunker; steam turbine cosmetic plate and coal mill soundproof cover, cooling tower sound insulation screen, dustproof wall

The company is a "star enterprise" in Jiangsu Province, a "high-tech enterprise" in Jiangsu province, a "model enterprise for comprehensive management" in Jiangsu province, the first batch of 100 contract-honoring, trustworthy enterprises in Jiangsu Province, a thousand enterprises with the best economic benefits in Jiangsu, and a comprehensive ministerial Quality management unit, national measurement assurance confirmation unit, Zhenjiang city machinery industry advanced quality enterprise. The enterprise quality management system operates in strict accordance with ISO9001.