The Angle Pad Coupling Supplier offers a robust coupling made from ductile iron ASTM A536, designed for 4-inch pipes with a 114.3 mm OD. It features a hot dip galvanized finish for corrosion resistance and meets UL/FM standards. The coupling includes an EPDM gasket for a secure seal and ISO 898-I Class 8.8 bolts and nuts for reliable fastening.