Extra strong, expertly cast iron is at the heart of Ward Fittings quality. From laboratory to foundry, raw materials undergo strict metallurgical and processing controls, chemical analysis and inspection to produce closely grained, high-tensile, non-porous iron. Generations of expertise and rigorous quality control results in durable yet precise cast and malleable iron fittings and components that meet or exceed national and industry standards - and the needs of contractors around the world who believe that down to the last detail, quality counts.

Ward Mfg Plug, Cored Regular Square Head, Fitting/Connector Type: Plug, 4 in Nominal, MNPT, 1 in Thickness, SCH 40/STD, 125 lb Pressure Class, 175 psi, Cast Iron, Black, -20 to 150 deg F, Domestic

• Wide range of products for sprinkler systems, drainage systems other installations, including fittings connectors, unions, plugs & bushings, clamps and more
• Accurate form, length and straightness on threads for easy engagement
• Chamfered openings for fast, easy engagement and assembly
• Precision machining
• Rust-Resistant coating
• 1.22 in thread length

• Specification Sheet https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/Ward_Manufacturing_1BP_Specification_Sheet.pdf