
Material: ductile iron (DI); standard: ISO2531,BS EN545, BS EN598, AWWA C219, AWWA C110, ASME B16.42; internal lining: ①cement mortar②Sulphuric Resistance Cement ③Sulphuric Resistance ...

Material: ductile iron (DI); standard: ISO2531,BS EN545, BS EN598, AWWA C219, AWWA C110, ASME B16.42; FBE coating; suitable medium: potable water, drainage, sewage, waste water; suitable tempreture: ...