Cangzhou Bohai Pipe Fittings Co., Ltd. 20 # 法兰法兰盖法兰盖法兰盖 with Trail # 20 flat welding flange, also known as blind flange 20 # flange, intermediate flange without holes for closure pipe plug live with. Species form large sealing surface, with a flat, convex, concave and convex surfaces, tongue and groove, ring joint face. Sealing surface: flat (FF), raised face (RF), convex surface (MFM), tongue and groove (TG), ring joint face (RJ) Cangzhou Bohai Pipe Fittings Co., Ltd. specializes forged 20 # flange Blind Blind stiffened isolation cut off the role, and head, pipe caps, welding plugs role is the same. Because of its good sealing performance, the need for complete isolation systems, generally as a reliable means of isolation. Marine 20 # round 8-word blind flange plate is a solid shank, used under normal conditions in isolation system. The 8-word blind plate, shaped like eight words, one end is blind plate, the other end is throttling ring factory 20 # flange, but the diameter of the pipe diameter is the same, does not play a role in the throttle. 8-word blind plate, easy to use, you need isolation, blinding plate end, normal operation when needed, using the throttle ring-side, but can also be used to install the pipeline to fill the gap blind plate. Another significant feature is the identification, easy to install state recognizable. Forged 20 # flange Cangzhou Bohai _20 _ # flange provided by Tube Co., Ltd. Cangzhou Bohai. Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.com) (www.hbbh628.com) quality services and products, and are subject to approval and confidence in the new and old customers and the industry. Our company is a certified member of the whole network Commercial Union, Commercial Union customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!