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The ASC Engineered Solutions 390173698 is a painted grooved saddle tee fitting designed for branch connections on grooved piping systems. This Gruvlok-style saddle tee allows a 3-inch branch outlet to be taken off a 6-inch main pipe run without cutting the main line out of service in many configurations. Constructed from ductile iron with a painted finish for corrosion resistance, it is sized at 6 inches by 3 inches and weighs 8.37 pounds. This fitting is installed by pipefitters and mechanical contractors working on fire protection, HVAC hydronic, and industrial piping systems where grooved mechanical joining is specified.
This saddle tee is suited for commercial and industrial piping applications where grooved-end branch connections are required on larger main lines. Typical installations include fire sprinkler mains, chilled water and hot water hydronic distribution headers, and process piping where quick mechanical assembly is preferred over welded or flanged alternatives. The painted exterior finish helps protect against surface oxidation during storage and service in non-corrosive environments.
Designed as an OEM-style grooved saddle tee fitting for use on standard grooved piping systems with a 6-inch main and a 3-inch branch outlet. Consult system design documents and the coupling manufacturer specifications to confirm pressure ratings and groove dimensions before installation.
Installation should be performed by a qualified pipefitter or mechanical contractor familiar with grooved piping systems and applicable mechanical codes. Depressurize and drain the affected piping section before installing the saddle tee, and verify that the main pipe groove dimensions conform to the coupling manufacturer specifications. Use the correct gasket grade for the service fluid and temperature, and torque coupling fasteners per the coupling manufacturer guidelines. Inspect the painted finish after installation and touch up any damaged areas to maintain corrosion protection.
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