Midland Industries 42131 Brass Pipe Nipple 1-1/4 in 8 in Sch 80

Product Description

The MIDLAND INDUSTRIES 42131 is a Schedule 80 extra-heavy red brass pipe nipple used to connect or extend threaded pipe runs in plumbing, HVAC, and industrial piping systems. It measures 8 inches in length with a 1-1/4 inch diameter and carries male pipe threads (MPT) on both ends at a 1-1/4-11-1/2 thread specification conforming to ANSI B1.20.1. The lead-free red brass construction resists corrosion and meets modern potable-water and mechanical code requirements. The Schedule 80 extra-heavy wall rating makes this nipple suitable for higher-pressure applications where standard-weight fittings are not appropriate. Licensed plumbers and pipefitters are the primary installers of this fitting.

This nipple is suited for residential and commercial plumbing, hydronic heating, steam, gas distribution, and general industrial piping where a 1-1/4 inch threaded connection is required. Its extra-heavy Schedule 80 wall thickness makes it a preferred choice in applications subject to elevated working pressures or mechanical stress. The lead-free red brass material is compatible with both hot and cold water service as well as many non-corrosive industrial fluids.

Key Features

• Lead-free red brass construction meets potable-water compliance requirements
• Schedule 80 extra-heavy wall rating for higher-pressure service
• 1-1/4-11-1/2 NPT thread form per ANSI B1.20.1 for reliable, leak-resistant makeup
• Male pipe threads on both ends for straight extension or inline connection
• 8 inch length accommodates common pipe-run offsets and extensions
• Corrosion-resistant brass body suitable for water, steam, and compatible fluid service

Compatibility

Designed as a standard Schedule 80 extra-heavy red brass nipple for use with 1-1/4 inch female-threaded (FPT) brass, iron, or bronze fittings and valves in systems requiring ANSI B1.20.1-compliant NPT connections.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with the applicable plumbing code, such as the IPC or local amendments. Shut off and depressurize the system before cutting or threading into an existing pipe run. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly and tighten to the fitting manufacturer's recommended engagement depth. Do not over-tighten, as brass threads can be damaged by excessive torque.