★★ KD combination gasket Which is better? All in Shanghai excellent sealing! Combined sealing washer models include TD | KD | GD | DAS | V type and so on. Combination of a rubber ring gasket and metal ring integral vulcanization bonding, is used to seal the annular seal threaded and flanged ring comprises a metallic ring and a rubber gasket. Combination pad metric and imperial two sizes, a standard JB982-77 specified combination of metal pad and pad combination of rubber. A combination of gaskets for threaded fittings and sealing plugs, it is generally and card sets of pipe joints used together to block ports, mainly for face hydraulic valve fittings threaded connections static seals. A combination of gaskets according to the structure can be divided into A, B type; depending on the plastic bag can be divided into all-inclusive, half a pack. ★★ Features: 1, seal combined to produce prestressed by the O-ring on the initial state and work from the compensation. 2, the friction is small, since the filler such as graphite, copper, solder-dimensional carbon, glass filler and other additives, to reduce the frictional resistance, improve the wear resistance, friction coefficient f <0.04. 3, promised high-speed line, v≤15m / s. 4, high pressure. 5, the leak is small, with pumping function. Address: Huangpu District, Shanghai, Guizhou Road 259. Website: http: //www.shyqmf.com Contact: Manager, An Jingli. Phone: 021-63502938,13585654469,15102112223, QQ2258844738.