Butterfly installation techniques and how equipped with flange and bolts 1, the installation front-confirm our products performance and media flow arrow is consistent with the movement condition, Weifang cast steel valves and valve cavity insert clean, not allowed in ring and butterfly board with impurities foreign body, not before cleaning the disc must not be allowed to close, so as not to damage the seals. 2, the disc supporting flange is recommended to install special flange butterfly valve that HGJ54-91 type socket welding steel flanges, Shandong high temperature and pressure valves, 3, the installation location in the pipeline, the best location for the stand equipment, but it can not flip. Quality objectives: first, to make every effort to provide customers 100% qualified products and satisfactory service; Second, the use of advanced technology and equipment, product quality to maintain the domestic advanced level, and in line with the international advanced level. Valve Co., Ltd. Shandong Everbright wide production of this type of valve application, reliable quality, cast steel valves, no internal leakage, leakage phenomenon, frequent switching is not stuck, rusted, the majority of chemical plants, thermal power plants, steel mills , printing and dyeing, food plants the best choice. Our company has made in strict accordance with ISO9001 international quality system manufacturing, the company's quality policy and objectives are: 1. Quality: The company has always maintained a "customer first, multi-beneficiary" principle, market-oriented, and serve to their customers provide satisfactory products and services. To improve the level of quality assurance, all employees will fulfill their duties, perform the following quality policy: First, depending on the quality of corporate life, every man responsible; Second, business management, quality management as the center, the implementation of priority thorough quality; Third, continue quality improvement, valves, the pursuit of first-class work, first-class management, first-class quality. High temperature and pressure valves, Everbright BD343H butterfly (certified), Valve Co., Ltd. by Shandong Everbright valve. High temperature and pressure valves, Everbright BD343H butterfly (certification), the valve Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact phone book page or image on For the latest information, Contact: Manager Ma.