Midland Industries Air Regulators

Overview

The MIDLAND INDUSTRIES 738109-08 is a lead-free red bronze cored square head plug rated for 1/2-inch male pipe thread (MPT) connections. It carries a 125 pressure class rating and meets ANSI B16.15 dimensional standards. The cored design features a square drive head for easy wrench engagement, and the lead-free red bronze construction makes it suitable for potable water systems as well as air, gas, oil, and steam service. Licensed plumbers and pipefitters typically install this fitting during system commissioning, maintenance, or pressure testing across residential and light commercial piping systems. This plug is used to close off open pipe ends or port openings in a wide range of systems. Its approvals cover air, gas, oil, steam, and water service, making it a versatile choice for multi-service mechanical rooms, boiler rooms, and utility piping. The 1/2-14 thread pitch matches standard NPT taper thread dimensions, ensuring a reliable seal when installed correctly with appropriate thread sealant or tape. Key Features Lead-free red bronze construction meets requirements for potable water contact 125 pressure class rating suitable for common low-pressure piping applications Cored square head design provides positive wrench engagement during installation and removal Rated for use with air, gas, oil, steam, and water service Conforms to ANSI B16.15 dimensional standards 1/2-14 taper thread pitch for a standard NPT-compatible seal Compatibility Designed as an OEM-style…