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The ASC ENGINEERED SOLUTIONS 320200132 is a taper tapped black steel coupling designed for threaded pipe connections in plumbing, HVAC, and gas distribution systems. The taper thread design creates a pressure-assisted seal as the fitting is tightened, reducing reliance on thread sealant alone. Sized at 1/2 inch, this coupling weighs 0.17 pounds and is constructed from black steel, making it suitable for gas lines and industrial piping applications where galvanized or brass fittings are not specified. Licensed plumbers, pipefitters, and HVAC technicians regularly install this type of fitting during new construction and service work.
This coupling is used in residential and light commercial piping systems, most commonly on natural gas, propane, or black iron water supply lines. The 1/2 inch taper tapped configuration fits standard NPT threaded pipe schedules and is a common size across residential gas appliance connections, boiler piping, and mechanical room distribution headers.
Designed as an OEM-style replacement or new-installation fitting for 1/2 inch NPT threaded black steel piping systems.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and IFGC requirements for gas piping. Shut off the gas supply and depressurize the line before removing or installing any threaded fitting. Apply an approved thread sealant or PTFE tape rated for gas service to male threads before assembly. Do not overtighten, as this can crack fittings or distort the taper thread seal.
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