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The VALUE COLLECTION 4RSB3/4*1/2 is a threaded pipe reducer fitting designed to transition a 3/4-inch female pipe thread to a 1/2-inch female pipe thread in a single inline connection. Machined from 304 stainless steel to Schedule 40 specifications, this reducer handles a working pressure rating of 150 psi. The all-female NPT configuration on both ends accepts standard male-threaded pipe or nipples on each side. Plumbers and pipefitters install this fitting in fluid and gas distribution systems where a reduction in pipe diameter is required without changing to a different connection style.
This fitting is suited for use in residential and light commercial plumbing, hydronic heating, compressed air, and general industrial piping systems where 304 stainless steel corrosion resistance is appropriate. The FNPT x FNPT end configuration makes it compatible with standard NPT-threaded pipe, nipples, and valves in Schedule 40 service. It is a direct in-line reducer and does not require a separate hex bushing or coupling to complete the transition.
Designed as an OEM-style replacement and general-use reducer for Schedule 40 threaded piping systems using standard NPT connections in 3/4-inch to 1/2-inch diameter transitions.
Installation is performed by licensed plumbers or qualified pipefitters. Shut off and depressurize the supply line fully before threading this fitting into the system. Apply thread sealant tape or compound rated for the intended service medium to all male NPT threads before assembly. Tighten to hand-tight plus the appropriate number of turns per standard NPT practice, and do not overtighten stainless steel fittings to avoid galling the threads.
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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