Qitaihe compensation _ Note administered sleeve compensator _ million harbor harbor provided by the million. Hebei Billion Pipeline Limited (www.hbyhgd777.com) Hebei Cangzhou Premium Business League certification company, has Billion and other brands, has a good reputation, honesty, service-oriented "business alliance Service" icon on the page, We will be happy to serve you! Quasi-bellows Standard No.: GB / T 12777-2008 standard bellows Name: metal bellows expansion joints general technical conditions 2008-08-04 release note filled sleeve compensator ,2009-02-01 issued by the department to implement: General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China, China National Standardization Management Committee provides the definition of the standard corrugated metal grain compensation, classification, requirements, test methods, inspection rules, marking and packaging, transportation, storage and so on. This standard applies to its installation in the pipeline flexible member is formed integrally with unreinforced U-shaped, circular bellows compensator strengthen U-shaped and ∩-shaped bellows design, manufacturing and testing. Expansion joint pressure vessel design, manufacture and testing may also refer to the use of 7, the compensation components of all activities shall be external member stuck or limit its scope of activities Axial external pressure compensator, should ensure the normal operation of all moving parts. 8, hydrostatic testing, response times fixed pipe rack mounted compensator reinforce the ends of the pipe so that the pipe does not occur to move or rotate. To compensate for the gas medium and its connecting piping NOTE fill rotary compensator, pay attention to the need for additional water-filled temporary support. The solution was washed with water pressure test 96 chloride ion content of not more than 25PPM. 9, after the hydrostatic test shall discharge waves in the water as soon as the shell, and the shell surface waves quickly dry. 10, insulation materials in contact with compensator bellows should not contain chlorine