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The ASC Engineered Solutions 390171254 is a Gruvlok 7045 painted saddle tee designed for grooved piping systems in mechanical and fire protection applications. The fitting features a female pipe thread (FPT) branch outlet and is constructed from ductile iron, offering the structural strength required for demanding commercial and industrial installations. At 4 inches on the run and 1-1/4 inches on the outlet, this saddle tee mounts directly to grooved pipe, allowing a threaded branch connection without cutting the main line. It arrives with a painted exterior finish for basic corrosion resistance. Pipefitters and fire protection contractors working with Gruvlok-style grooved systems will find this a straightforward, field-proven component.
This saddle tee is suited for use in commercial HVAC hydronic piping, fire suppression systems, and industrial process piping where grooved-end pipe is already in use. The 4-inch main run size covers a common header or main-line diameter, while the 1-1/4-inch FPT branch provides a standard threaded connection point for drop-off lines, instrumentation, or branch services. It is intended for installations governed by applicable mechanical and fire protection codes.
Designed as an OEM-style Gruvlok 7045 series replacement or new-installation saddle tee for grooved piping systems with a 4-inch main pipe and a 1-1/4-inch threaded branch outlet.
Installation should be performed by a licensed pipefitter or fire protection contractor familiar with grooved mechanical piping systems. Depressurize and drain the relevant section of pipe before mounting the saddle tee. Follow the coupling and housing torque procedures specified by the grooved coupling manufacturer for the corresponding pipe size. Verify FPT thread engagement on the branch outlet meets applicable IPC or NFPA code requirements before returning the system to service.
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