Merit Brass C116-16 Brass End Cap 1 Inch Fnpt Class 125

Product Description

The MERIT BRASS C116-16 is a Class 125 brass pipe end cap with a 1-inch female NPT (FNPT) connection. It is used to terminate open pipe ends in pressurized piping systems, sealing the line against flow or pressure. The cap threads directly onto a male NPT pipe end, creating a secure, leak-resistant closure without requiring additional fittings. Suitable for plumbing, industrial, and mechanical piping applications, this end cap is a standard component installed by licensed plumbers and pipefitters working on water, air, or compatible fluid distribution systems.

This end cap fits 1-inch NPT threaded pipe and is rated at Class 125, making it appropriate for low-to-moderate pressure piping systems. It is commonly used in residential and light commercial plumbing, compressed air lines, and hydronic systems where a threaded brass closure is required. The FNPT connection allows it to thread directly onto standard NPT male pipe ends with no additional adapters.

Key Features

• Class 125 pressure rating suitable for low-to-moderate pressure service
• 1-inch FNPT connection threads directly onto standard male NPT pipe ends
• Brass construction offers corrosion resistance and durability in wet service environments
• Compact end cap design seals pipe terminals cleanly without additional hardware
• Sold individually — one piece per package

Compatibility

Designed as an OEM-style replacement and standard-fit end cap for 1-inch male NPT threaded pipe systems across residential and light commercial plumbing and mechanical applications.

Installation Notes

Installation is performed by a licensed plumber or pipefitter. Shut off and depressurize the line before threading the cap onto the pipe end. Apply an appropriate thread sealant or PTFE tape to the male NPT threads before installation in accordance with applicable IPC and local plumbing codes. Do not overtighten, as brass fittings can crack under excessive torque.