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The ASC Engineered Solutions 390171601 is a Gruvlok painted saddle tee fitting designed for grooved piping systems. It features a 6-inch by 4-inch configuration with a female pipe thread (FPT) outlet, allowing branch connections to be made from a main grooved pipe run. Constructed from ductile iron, this saddle tee provides the structural strength required for demanding mechanical, fire protection, and industrial piping installations. At 12.98 pounds, it is a robust, production-grade fitting intended for installation by licensed plumbers, pipefitters, and fire protection contractors working with grooved pipe systems.
This fitting is suited for commercial and industrial piping applications where a grooved main line requires a threaded branch takeoff. Typical installations include HVAC hydronic systems, fire suppression piping, and industrial process lines. The FPT outlet accepts a standard male-threaded pipe or fitting, making it straightforward to transition from a grooved main to a threaded branch line without additional adapters in many configurations.
Designed as an OEM-style grooved saddle tee fitting for use in grooved piping systems accepting 6-inch grooved main pipe with a 4-inch FPT branch outlet.
Installation should be performed by a licensed pipefitter or plumber familiar with grooved piping system procedures. Depressurize and drain the piping system fully before cutting into the main line or installing any branch fitting. Follow the applicable plumbing or mechanical code (IPC, ASME B31) for thread engagement, joint compound selection, and system pressure testing. Do not overtighten the FPT connection; use an appropriate pipe wrench and thread sealant rated for the service fluid and pressure.
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