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The VALUE COLLECTION 4HP1/2 is a 1/2 inch male NPT hex pipe plug manufactured from 304 stainless steel. Hex plugs are used to seal open pipe ends, ports, and fittings in pressurized piping systems. This plug features a standard external hex head for wrench engagement and a threaded MNPT connection for reliable sealing. Rated at 150 psi, it is suited for low-to-moderate pressure service in plumbing, HVAC, and light industrial piping applications. The 304 stainless steel construction provides corrosion resistance in wet and mildly corrosive environments. Licensed plumbers and pipefitters are the typical installers.
This hex plug is appropriate for use in residential and commercial piping systems where a threaded pipe end or port must be capped and sealed. Common applications include capping unused tee branches, sealing gauge ports, and closing off pipe runs during system modifications or maintenance. The MNPT thread form is compatible with standard NPT female-threaded fittings and pipe in 1/2 inch pipe size.
Designed as a standard replacement or new-installation hex pipe plug for 1/2 inch NPT female-threaded pipe fittings, valves, and equipment ports in plumbing and HVAC piping systems.
Installation is typically performed by a licensed plumber or pipefitter. Depressurize and drain the piping system completely before removing or installing any threaded plug. Apply an appropriate thread sealant or PTFE tape to the MNPT threads before installation to ensure a pressure-tight seal. Tighten with a properly sized wrench — do not use pipe wrenches on the fitting body, and do not over-torque, which can crack fittings or strip 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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