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The ASC Engineered Solutions 8700133054 is a 3/8 inch black pipe coupling designed for joining sections of black iron pipe in gas, compressed air, and general plumbing piping systems. This threaded coupling connects two pipe ends of equal diameter, creating a secure, pressure-rated union in the line. The black finish is standard for gas distribution applications and distinguishes it from galvanized fittings used in water service. Licensed plumbers, pipefitters, and HVAC technicians install this fitting during new construction, system extensions, and repairs on black iron piping runs.
This coupling is suited for residential and light commercial applications where black iron pipe is the specified material. Common install scenarios include natural gas supply lines, propane distribution systems, and compressed air headers. The 3/8 inch size is frequently used for branch supply lines and appliance drops where lower flow volumes are required. This fitting ships in a package quantity of 30 units, making it practical for stocking service vans or job-site inventory.
Designed as an OEM-style replacement and standard fitting for 3/8 inch black iron pipe systems in residential and light commercial gas, compressed air, and general piping applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC) as required. Shut off and lock out the gas or compressed air supply and depressurize the line before disassembling or threading any fittings. Apply listed thread sealant or PTFE tape rated for the service medium to all threaded joints before assembly. Do not use pipe dope not rated for gas service on fuel gas systems.
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