Cangzhou Bohai Pipe Fittings Co., Ltd. specializes in the production of 20 # Flange basic standards GB: GB / T9112-2000 (GB9113 · 1-2000 ~ GB9123 4-2000?) American Standard: ANSI B16.5 Class150,300,600,900 , 1500 (WN, SO, BL, TH, LJ, SW) Japanese standard: JIS 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW) German standard: DIN2573,2572,2631,2576, 2632,2633,2543,2634,2545 (PL, SO, WN, BL, TH) Ministry of Chemical Industry Standard: HG5010-52 ~ HG5028-58, HGJ44-91 ~ HGJ65-91, HG20592-2009 (PN series) \ HG20615- 2009 (Calss series) machinery of the standard: JB81-59 ~ JB86-59, JB / T79-94 ~ JB / T86-94, JB / T74-1994 Pressure Vessel Code: JB1157-82 ~ JB1160-82, JB4700-2000 ~ JB4707-2000 Applications: boilers, pressure vessels, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, food and other industries. Cangzhou Bohai Pipe Fittings Co., Ltd. specializes in manufacturing large flange # 20 large flange is a disk-shaped parts, the most common in the pipeline project, flanges are used in pairs. In the pipeline project, mainly for pipe flanges connected in the pipeline need to be connected, and a variety of mounting flange, low-pressure pipe flange can be connected using wire, 4 kg more than the use of pressure welding flanges together with seal point between two flanges and bolts fastened flanges have different pressures and different thicknesses using different bolt. # flanges 20 pumps and valves, pipe connections and welded at 20 # flange, these local facilities and equipment, and also made the corresponding flange shape, also known as the flange connection. All in two planes at the same time around the use of bolted connections closed parts of Hebei 20 # flanges, generally known as the "flange", such as connecting ventilation ducts, this type of Parts can be called "flange parts." welded flange 20 # # _20 _ Cangzhou Bohai Flange Co. provided by Cangzhou Bohai fittings. Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.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!