DOMEX 157-171 Water Main Ductile Iron Coupling

The DOMEX DN150 Blue Water Main Coupling securely joins and repairs DN150 water mains in potable water distribution and municipal pipeline systems. It is designed for mechanical bolted connections on ductile iron, cast iron, and steel pipes, delivering a leak-resistant seal for water main repairs, pipeline installations, upgrades, and the replacement of damaged sections. Key specs include: manufacturer DOMEX; model/size DN150; pipe outside diameter range 157–171 mm; material grade GJS-500-7 ductile iron; blue epoxy finish coating; nominal pipe size DN150 (6 in.); and compatibility with ductile iron, cast iron, steel, and other compatible pipe materials. This coupling is intended for municipal water distribution, potable water transmission, and industrial piping systems where dependable pipe joining is critical, including irrigation and utility infrastructure projects. Common replacements in this DN150 space include Viking Johnson Ultra-Grip DN150, AVK Supa Maxi DN150, and ROMAC Alpha DN150 Repair Couplings.