PN16 & Class 150 Cast Gunmetal female thread Flange Description:Cast Gunmetal female thread PN16 & Class 150 Flange know as bronze female thread Flange and Gunmetal Flange Adapter for Pressure Meter,Low Lead & No Lead Cast Bronze Cast Fittings,Solder Connection Type. The gunmetal flange known as one of the bronze fittings.Runde's quality is same as yorkshire bronze fittings, connex bronze fittings ,nibco bronze fittings,kembla bronze fittings.Runde has PN16 and Class 150 bronze flange and PN16 bronze gunmetal bi-metallic flange. Production Standard: 1.BS EN 1092-3:2003 Flanges and their joints — Circular flanges for pipes, valves,fittings and accessories, PN designated —Part 3: Copper alloy flanges 2.ASME B 16.5-2003 CLASS 150-ASME FLANGE 3.ISO228-1 Pipe Threads Where Pressure-tight joints are not made on the threads 4.ISO 7-1(EN10226-1&2 R,Rp,Rc) Pipe threads where presssure-tight joints are made on the threads- Part 1:Dimensions,to…