Asc 390211225 Gruvlok 8 in Rigidlite Grooved Coupling 300 Psi

Product Description

The ASC Engineered Solutions 390211225 is a Gruvlok 7400-E RigidLite grooved coupling designed for rigid pipe joining in mechanical piping systems. Built from ductile iron, this 8-inch coupling is rated to 300 psi and is used to connect grooved-end pipe sections with a secure, rigid joint. Licensed plumbers, pipefitters, and mechanical contractors install this fitting in fire protection, HVAC hydronic, and industrial piping applications where a dependable rigid connection is required. At 9.45 pounds, the coupling is sized for 8-inch pipe and meets the pressure demands of commercial and light industrial systems.

This coupling is suited for commercial and industrial mechanical piping installations where grooved-end pipe joining is specified. It is used in hydronic heating and cooling systems, fire suppression mains, and process piping where rigid coupling performance is required. The 7400-E series is a common specification in contractor-grade grooved piping assemblies on 8-inch mains.

Key Features

• Rigid grooved coupling design — maintains pipe alignment without angular movement
• 300 psi pressure rating — suitable for commercial hydronic and fire protection mains
• Ductile iron construction — high strength and impact resistance for demanding piping environments
• 8-inch pipe size — fits grooved-end pipe prepared to standard groove specifications
• Gruvlok 7400-E series — widely specified in mechanical and fire protection contracting

Compatibility

Designed as an OEM-style grooved coupling for use with standard grooved-end pipe in 8-inch diameter configurations, consistent with Gruvlok 7400-E series specifications.

Installation Notes

Installation should be performed by a licensed pipefitter or plumber following applicable mechanical and plumbing codes. Depressurize and drain the piping system completely before removing or installing any grooved coupling. Verify that pipe ends are prepared to the correct groove dimensions before assembly, and inspect the gasket for proper seating before tightening the coupling bolts. Follow the manufacturer torque sequence for even bolt load distribution.

Technical Specifications

• Fitting Size: 8 inches
• Pressure Rating: 300 psi
• Material: Ductile Iron
• Weight: 9.45 pounds
• Series: Gruvlok 7400-E
• Coupling Style: RigidLite Grooved

Standard Information

• Brand: ASC Engineered Solutions
• Manufacturer Part Number: 390211225