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The Romac replacement for Smith-Blair 421-08540985-031 is an 8-inch wide-range steel bolted coupling designed to join plain-end pipe while accommodating a range of outside diameters. Engineered for water and wastewater distribution systems, this coupling provides a secure, leak-resistant connection for repair, maintenance, and new installations. The steel body is protected with a corrosion-resistant epoxy coating, while the replaceable gasket design simplifies servicing and helps reduce inventory requirements. This replacement offers equivalent fit and performance to the Smith-Blair Top Bolt 421 Series coupling.
Direct replacement for Smith-Blair 421-08540985-031
Wide-range 2-bolt steel coupling for 8-inch piping systems
Epoxy-coated steel body for corrosion resistance
Designed for repair, maintenance, and new pipe installations
Accommodates a broad range of pipe outside diameters
Replaceable gasket design simplifies maintenance
Suitable for water and wastewater applications
This wide-range bolted coupling provides a durable, flexible connection for joining plain-end pipe with varying outside diameters. Its epoxy-coated steel construction, removable gasket system, and robust 2-bolt design deliver dependable long-term performance in municipal and industrial piping systems.
Brand: Romac
Replaces: Smith-Blair 421-08540985-031
Product Type: Wide Range Steel Bolted Coupling
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