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The ASC Engineered Solutions 390171304 is a Gruvlok painted saddle tee with a female pipe thread (FPT) outlet, designed for use in grooved piping systems. This fitting allows a branch connection to be made off a main grooved pipe run, with the FPT outlet accepting a threaded pipe or fitting at the branch. Constructed from ductile iron with a painted exterior finish, it provides solid corrosion resistance and structural durability in commercial and industrial piping applications. The main run size is 4 inches and the branch outlet is 2.5 inches. Licensed pipefitters and mechanical contractors are the typical installers of this component.
This saddle tee is suited for commercial and industrial wet piping systems, including fire protection, HVAC hydronic distribution, and general process piping. It is installed on grooved-end main pipe runs where a threaded branch takeoff is required. The painted finish makes it appropriate for exposed interior installations. This fitting is part of the Gruvlok grooved mechanical coupling system, which relies on coupling housings engaging a rolled or cut groove on the pipe end to secure the joint.
Designed as an OEM-style grooved fitting for use within the Gruvlok grooved mechanical piping system on 4-inch grooved main pipe runs with a 2.5-inch FPT branch outlet.
Installation should be performed by a licensed pipefitter or mechanical contractor in accordance with applicable codes, including NFPA 13 for fire protection systems where applicable. Depressurize and drain the piping system fully before beginning any fitting installation or removal. Verify that the pipe groove dimensions conform to Gruvlok specifications before seating the coupling housing. Do not over-torque coupling bolts beyond manufacturer specifications found in the Gruvlok installation data sheet for this fitting series.
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