SPF C4 4 Inch Grooved Pipe Coupling Rigid Galvanized with Gasket Fire Protection

Heavy-duty SPF C4 4-inch grooved pipe coupling designed for secure mechanical piping connections. This coupling features a durable galvanized finish for corrosion resistance and includes a high-quality rubber gasket for a leak-proof seal. The two-piece housing is secured with heavy-duty bolts and nuts, making it ideal for fire protection, plumbing, and industrial HVAC applications. Built for reliable performance in high-pressure environments, this component ensures a tight, vibration-resistant fit for standard 4-inch grooved pipe systems.