Procurement of quality blind blind FIG projecting face, Hebei Cang Sheng is your best choice. 304L stainless steel blind spot. The rapid development of domestic and foreign blank flange along long-distance pipeline construction, pipeline pressure test becomes as an essential link in the press before and after the blind test, it is necessary for each pipeline Pigging large diameter blind Price the number is usually 4 to 5 times. Especially after the pressure test blind flange plate size, difficult to clean water in the pipeline within the clean, clean more often. Where the Blind best? Cang Sheng HG20592 blind low prices, quality guaranteed! Variety blind manner sealing surface more, there are flat, convex, concave and convex surface, Mortise face, ring mating face. Blind flange biggest difference and that is generally flange blind flange is solid except for those few fixed fastener, usually a center flange is hollow and has a bolt opening fasteners, as well as blind Flange effect is mainly used to block the convergence of the pipe. High Pressure Blind Materials | cheap (certified) | Qianjiang blind provided Cang Sheng Hebei Pipe Manufacturing Co., Ltd. from. Cang Sheng Hebei Pipe Manufacturing Co., Ltd. (www.csyrb.com) (www.hbcsgj.com) Hebei Cangzhou, elbow leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Cang Sheng Pipe leadership with the staff warmly welcome all inquiries negotiations to create Cang Sheng Pipe better future.