双承一盘三通，高质量球铁管件 K型承口

1 材质: 球铁GGG500-7，450-12 等
2 规格：DN80-2000，K14,PN10,PN16,PN25
3 标准：国标13295，ISO2531，EN545，EN598,等
4 保护层：内防腐锌加环氧树脂漆，外防腐锌和环氧树脂粉末
5 检验： 产内检验，SGS检验 　

沧州永欣公司专业生产各种球墨铸铁管件、各种美标管件、球墨铸铁管、球墨铸铁井盖等各种管件，广泛适于供水、排水、输气、输油工程等，产品具有壁薄、韧性好、耐高压、耐腐蚀、不结垢、阻力小、水质好、安装方便、寿命长等优点　


　　Double for three pass, high quality ductile iron pipe type K

　　1, material: ductile iron GGG500-7450-12, etc.

　　2, specifications: DN80-2000, K14, PN10, PN16, PN25

　　3, standard: GB 13295, ISO2531, EN545, EN598, etc.

　　4, protective layer: internal anti-corrosion zinc and epoxy resin paint, zinc and epoxy resin powder

　　5, inspection: SGS inspection

　　Cangzhou Yong Xin company specializing in the production of a variety of ball graphite cast iron pipe fittings, American Standard pipe fittings, ductile cast iron pipe, ductile iron manhole covers, etc. all kinds of pipe fittings, for a wide range of water supply, drainage, gas, oil engineering and so on, the product has a thin wall, good toughness, high pressure resistance, corrosion resistance, no scale, small resistance, good water quality, convenient installation, long life and other advantages.