& does relevant recommendations: 【 steel expansion pipe, corrugated expansion pipe, through rubber joint 】 is gongyi city full state pipeline equipment co., LTD. The main business of our company has been made as a special equipment manufacturing license and ISO quality management system certification of qualified companies, the company management concept: the factory in order to "customer needs is our goal" principle, wholeheartedly for the customers with excellent products, reasonable prices, fast delivery cycle, professional technical support and perfect after-sales service. In the future, full state is full of confidence and hope, was determined in a more high quality brand and good service, sincere cooperation with customers at home and abroad, to do the northern area of the thermal compensation smoke duct equipment industry's first brand.


Bearing type expansion of product features
Bearing plate expansion, this product for flange at one end, on the other side for the socket, compared with the traditional expansion, this product is light weight, excellent performance, novel structure, simple and convenient installation, good sealing effect, and the sealing strength can be adjusted freely according to their needs.

The superior performance of bearing type expansion
1, this product is very convenient to use, whether it is a new installation of pipes or the original pipeline maintenance all don't need to spot welding, do not have to be cracked, just according to the installation method can be connected, save manpower.
2, the product comes with flange rubber gasket and socket rubber sealing ring, which can realize fast connection to the construction site.
3, socket, and adopt flexible rubber seal between the pipe, and can adjust the intensity, make the seal more safe and reliable.
4, product expansion of large amount of compensation, the delta L values refer to the data table. Especially on the thermal expansion coefficient of the larger plastic pipe and pipeline stress is larger, the most suitable to choose this product.

Bearing type expansion reference data tables


Bearing type expansion pipe manufacturing specifications
Flange connection size accord with GB17241.6-1998 and GB/T9113-2000 requirements, in line with the GB/T10002.1 apply straight pipe diameter, GB3420-1996, GB/T13663-1996 ~ 3422-1982, GB13295-1991,
GB/T3091 ~ 3092-3092 standard requirement.

Bearing of the technical parameters of the expansion pipe and materials


Bearing type expansion pipe installation method of use
Will this product on the flange end of the pipe flange or valve pipe flange is linked together, the other end of the insert pipe socket, insert length should be slightly less than the total length of this product, can be inserted in the pipe end in advance ready to insert length line in order to accurately grasp.
1, before installation should check whether adjusting bolt in the relaxation strong condition and the rubber seal should be in the socket is not affected by extrusion state.
2, when inserted into the pipe, prior to apply soap water on the pipe, in order to reduce friction, convenient to insert.
3, the inserted after the circulation gradually tighten the adjusting bolt, so that the socket in the rubber sealing ring and the pipe.
4, this product as in the pipe end use (i.e. the line endings end use), should consider setting up end piers, medium to offset the pipe to produce thrust.