Macomb Group Approved 12540BLWPPEA135 Sch 40 Sprinkler Pipe

Product Description

The MACOMB GROUP APPROVED 12540BLWPPEA135 is a Schedule 40 black welded steel sprinkler pipe designed for fire protection piping systems. With a nominal size of 1-1/4 inches, an outside diameter of 1.66 inches, and an inside diameter of 1.38 inches, this pipe meets the dimensional requirements for standard fire suppression layouts. The plain end connection type allows for threading, grooving, or welding at the installation point. It carries an EDDY GUARD II MIC coating for enhanced corrosion resistance, rated at a corrosion resistance ratio of 1. Installation is performed by licensed fire protection contractors and plumbing professionals.

This pipe is suited for wet and dry fire sprinkler systems in residential and commercial applications. Manufactured to ASTM A135 and ASTM A795 Type E Grade A standards, it is C/US UL Listed and FM Approved, making it acceptable for use in jurisdictions that require third-party listed materials. It is also FBCTM Compatible, NFSA Certified, and NFPA Certified, meeting the requirements set forth under NFPA 13 and related fire protection codes. The 1-1/4 inch nominal size is a common distribution pipe size in branch-line and cross-main configurations.

Key Features

• Schedule 40 wall thickness rated to 300 psi maximum working pressure
• EDDY GUARD II MIC coating provides corrosion resistance for fire suppression environments
• Plain end configuration supports threading, grooving, or welded connections on site
• C/US UL Listed and FM Approved for use in listed fire protection assemblies
• NFSA Certified and NFPA Certified, meeting fire code compliance requirements
• FBCTM Compatible for use with compatible fitting systems

Compatibility

Manufactured to ASTM A135 and ASTM A795 Type E Grade A standards. Suitable for use in UL Listed and FM Approved fire sprinkler systems requiring Schedule 40 black steel pipe with plain end connections.

Installation Notes

Installation should be performed by a licensed fire protection contractor in accordance with NFPA 13 and applicable local codes. Isolate and depressurize the system before cutting, threading, or modifying any pipe section. Plain end pipe requires proper preparation before mechanical coupling, threading, or welded fitting attachment. Verify hanger spacing and support requirements per the authority having jurisdiction before final installation.