Merit Brass XB116-04 Brass End Cap 1/4 in Threaded Fbspt

Product Description

The MERIT BRASS XB116-04 is a brass pipe end cap designed to terminate open pipe ends in plumbing, compressed air, and general fluid distribution systems. Rated Class 125, this fitting accepts a 1/4 inch female British standard pipe taper (FBSPT) threaded connection, allowing it to thread directly onto a male-threaded pipe end to seal the line. Constructed from brass, it provides reliable corrosion resistance in water, air, and many light-duty fluid service applications. Plumbers, pipefitters, and mechanical contractors install this cap during system pressure tests, permanent line terminations, and staged construction shutoffs.

This end cap is suited for residential and light commercial plumbing, HVAC hydronic systems, compressed air distribution, and general-purpose pipe work where a 1/4 inch threaded termination is required. The FBSPT thread pattern is a tapered female thread, making it compatible with standard male-threaded pipe ends commonly found in brass, steel, and copper-adapter assemblies. It is a compact, single-piece fitting with no moving parts, making installation straightforward in tight spaces.

Key Features

• FBSPT threaded end connection seals onto male-threaded pipe ends without additional fittings
• Class 125 pressure rating suitable for standard plumbing and light-duty fluid service
• Brass construction provides corrosion resistance in water and air service
• Compact end cap profile fits into confined pipe termination points
• Threaded connection requires no soldering or crimping tools

Compatibility

Designed as a standard threaded brass end cap for 1/4 inch FBSPT male-threaded pipe ends in plumbing, HVAC, and compressed air systems rated at Class 125 or lower.

Installation Notes

Installation is performed by a licensed plumber or pipefitter in accordance with applicable IPC or local mechanical codes. Shut off and depressurize the supply line completely before threading on the cap. Apply an appropriate thread sealant tape or compound to the male pipe threads before hand-tightening, then snug with a wrench — avoid over-tightening, which can crack brass fittings. Inspect for leaks when system pressure is restored.