Romac 248-04 Mechanical Joint Restraint Pack 4 Inches

Product Description

The ROMAC 248-04 is a lug-style pipe restraint accessory pack designed to provide positive mechanical joint restraint in waterworks and sewer pipeline systems. Manufactured from ductile iron conforming to ASTM A-536 Grade 65-45-12, this pack fits 4-inch pipe and is rated for a maximum working pressure of 525 psi. A shop coat is applied to the casting at the factory to protect against corrosion during transit and storage. The T-head screw design facilitates proper engagement and even load distribution around the joint. This component is NSF 61 Annex G certified, making it appropriate for use in systems where material safety standards are required. Licensed plumbers and waterworks contractors are the typical installers.

The ROMAC 248-04 is used in 4-inch mechanical joint piping applications in municipal water and sewer infrastructure. It is suited for both new construction and rehabilitation projects where joint restraint is required to resist thrust forces at fittings, valves, and directional changes. The accessory pack format provides the necessary hardware for a complete restraint installation at a single mechanical joint location. Sewer and waterworks applications are the primary use cases as noted by the manufacturer.

Key Features

• Lug-style restraint design provides positive joint restraint against thrust separation
• Ductile iron construction per ASTM A-536 Grade 65-45-12 for high strength and impact resistance
• Rated to 525 psi maximum working pressure
• T-head screw configuration for uniform clamping force around the joint
• Shop coat applied to casting for corrosion protection during transit and storage
• NSF 61 Annex G certified
• Made in the USA

Compatibility

Designed for use with 4-inch mechanical joint piping in waterworks and sewer applications. Conforms to ANSI A21.11, ANSI C111, AWWA A-21.11, and AWWA C-111 standards, ensuring compatibility with mechanical joint pipe and fittings manufactured to those specifications.

Installation Notes

Installation should be performed by a licensed plumber or qualified waterworks contractor in accordance with applicable local codes and AWWA guidelines. Depressurize and isolate the pipeline section before beginning any joint work. Follow the manufacturer's published bolt torque sequence and tightening procedure for mechanical joint restraints. Do not substitute non-rated hardware for any components included in this accessory pack.

Technical Specifications

• Fits Pipe Size: 4 inches
• Material: Ductile Iron
• Maximum Pressure: 525 psi
• Screw Head Type: T Head
• Product Type: Accessory Pack
• Waterworks Application: Sewer
• NSF Certified: Yes - NSF 61 Annex G
• ASTM Standard: ASTM A-536 1984, ASTM A-536 Grade 65-45-12, ASTM D-2000
• ANSI Standard: ANSI A21.11, ANSI C111
• AWWA Standard: AWWA A-21.11, AWWA C-111
• Country of Origin: USA

Standard Information

• Brand: ROMAC
• Manufacturer Part Number: 248-04