NPT 150lbs 300lbs malleable iron pipe fittings: 1/8"-6" Hot Dip Galvanized NPT,BS,DIN ISO,SGS, ... , BlackThreadsDIN, BS, NPT, G Thread, MetricShapeBanded, Beaded, PlainRibswith Rib or without RibBrandO,Q,HG,HE,BTPressureClass 150, Class 300, PN10 ... Enterprise in Hebei, China Certificates:Service:(malleable iron plumbing material)1) Prompt shipment: by reputed shipping line and professional documents2) ...