Metal bellows expansion joints (also known as bellows expansion joints is called) is based on the US expansion joint Manufacturers Association EJMA standard and GB / T12777-99 design and manufacturing standards. It is a device with compensation by the metal bellows, structural parts thereof. It is able to compensate for thermal deformation compensation pipeline piping, mechanical deformation and absorb mechanical vibrations, serve to reduce stress and improve pipeline deformation pipeline lifetime role. Expansion joints and tension have the same ability to compensate, the sleeve type expansion joints, spherical expansion joints, compared with a small footprint, simple installation, low construction cost, non-structural aspects of leakage, no maintenance, etc. compensator was common widely used for fast development. Tetrafluoroethane compensation Features (1) the compensation of thermal expansion (2) non-metallic expansion joints can be multi-dimensional direction to provide greater compensation in less size range, the compensation due to piping installation error axial compensator, systematic errors in the inevitably, non-metallic compensation can better eliminate installation errors. (3) no reverse thrust due to the main material for the fabric industry compensation, inability to deliver, with a non-metallic compensation simplifies design. (4) high-temperature corrosion-resistant fluorine plastics used silicone material with good heat and corrosion-resistant properties. Fortunately, the sealing performance under a variety of media effect, has a good seal. Industrial compensation, Bo-Rubber (certified), compensation is provided by Bo-Rubber Products Co., Ltd. Hengshui. Hengshui Bo-Rubber Products Co., Ltd. (www.jxboguang.com/) is an industry leader in Hebei Hengshui, transportation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Bo-Rubber leadership with the staff warmly welcome all inquiries negotiations to create the Bo-Rubber better future.