PT. TRI SINAR PURNAMA produces TSP and G brand Malleable Iron Pipe Fittings in black casting and hot dipped galvanized. Tensile & Elongation ISO 5922 (Malleable Cast Iron) DIN EN 1562 (Malleable Cast Iron) ISO 228 - 1 (Pipe Threads where pressure - tight joints are not made on the threads - Part 1 : Dimension, Tolerances and Designation) ANSI / ASME B 1.20.1 ( Pipe threads, General Purpose inch) ASME B 16.3 (Malleable Iron threaded pipe fittings) ASME B 16.39 (Malleable iron threaded pipe unions) ASME B 16.14 (Ferrous pipe plugs, bushings and locknut with pipe threads) Zinc Coating ISO 1446 (Hot Dip Galvanized Coating on Fabricated Iron and Steel Articles-Specifications and Test Methods Dimension & Threads JIS B 0203 (tapper Pipe Threads). JIS B 2301 (Screwed Type Malleable Cast Iron Pipe Fittings) EN 10242 (Threaded Pipe Fitting in Malleable Cast Iron) ISO 7-I (Pipe threaded where pressure - tight joints are made on the threads - Part 1 : Dimension, Tolerance and Designation)           Other than pipe fittings, PT. TRI SINAR PURNAMA also produces various of casting products such as scaffolding nut, turn buckle, steak plate, gas burner and other products by special order from customers with competitive and reasonable price.