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The ASC Engineered Solutions 8700133104 is a 1/2 inch malleable black iron pipe coupling designed to connect two same-direction pipe runs in a secure, threaded joint. Malleable iron construction provides the tensile strength and ductility needed to withstand mechanical stress and vibration in working piping systems. This fitting is a standard threaded union point used across gas, water, and industrial pipe installations where reliable, code-acceptable connections are required. Licensed plumbers, pipefitters, and gas line technicians rely on fittings like this one as a foundational component in both new construction and repair work.
This coupling is suited for residential and light commercial applications where 1/2 inch black iron pipe is used, including natural gas distribution lines, steam systems, and low-pressure air lines. It threads directly onto standard NPT-threaded pipe ends, making it a drop-in component for routine pipe assembly or replacement. Its black iron finish is standard for gas piping applications where galvanized fittings are not required or permitted.
Designed as an OEM-style replacement or new-installation fitting for 1/2 inch NPT-threaded black iron pipe systems in residential and commercial gas, steam, or low-pressure air applications.
This fitting is installed by licensed plumbers or pipefitters working on threaded iron pipe systems. Shut off and depressurize the line before disassembling any section of pipe. Apply pipe thread sealant compound or PTFE tape rated for the service type to all male NPT threads before assembly. Follow applicable local codes, IFGC requirements for gas piping, and IPC standards for water and steam service when selecting fittings and sealants.
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