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The VALUE COLLECTION 6RSB11/4*1 is a threaded pipe reducer fitting designed to transition between 1-1/4 inch and 1 inch pipe in plumbing, industrial, and mechanical systems. Constructed from 316 stainless steel, this reducer offers strong resistance to corrosion and is well suited for wet or chemically active environments. Both ends feature female NPT (FNPT) threading, conforming to standard Schedule 40 dimensions. It carries a pressure rating of 150 psi, making it appropriate for low-to-medium pressure fluid or gas service. Licensed plumbers and pipefitters install this type of fitting during new construction, renovation, or system modification work.
This reducer is used in residential and commercial piping systems where a change in pipe diameter is required. Typical applications include water supply lines, process piping, and light industrial fluid systems where 316 stainless steel is specified for corrosion resistance. The FNPT x FNPT connection type allows direct makeup with standard male NPT pipe ends on both sides of the transition, simplifying installation in tight or inline configurations.
Designed as an OEM-style replacement or new-installation threaded reducer for Schedule 40 piping systems using standard NPT connections.
Installation should be performed by a licensed plumber or qualified pipefitter following applicable IPC or local plumbing code requirements. Shut off and depressurize the system fully before removing any existing fittings or making up new connections. Apply appropriate thread sealant or PTFE tape to the male NPT threads before assembly, and tighten to a snug fit using pipe wrenches without over-torquing the stainless threads. Inspect for leaks after restoring system pressure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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