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The ASC ENGINEERED SOLUTIONS 300501400 is a 1-1/2 inch extra heavy (XH) black cast iron 90-degree threaded elbow designed for high-pressure piping systems. Built to 250 PSI class ratings, this fitting handles direction changes in demanding mechanical, industrial, and plumbing installations. The extra heavy wall construction provides greater durability and pressure capacity compared to standard-weight fittings. Threaded connections conform to NPT standards, allowing straightforward installation with compatible threaded pipe. At 3.86 pounds, the fitting reflects the substantial iron construction expected in XH-class components. Licensed plumbers and pipefitters are the primary installers of this type of fitting.
This 90-degree elbow is suited for black iron pipe systems in steam, gas, compressed air, and industrial fluid distribution applications. The extra heavy designation makes it appropriate for higher-pressure service conditions where standard fittings are not rated. Typical installations include commercial mechanical rooms, industrial process piping, and steam distribution systems. The black coating is standard for non-potable and gas service piping.
Designed as an OEM-style replacement or new-installation fitting compatible with 1-1/2 inch NPT threaded black iron pipe systems in 250 PSI extra heavy service classifications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical and plumbing codes, including IPC and IFGC requirements where applicable. Shut off and depressurize the pipe system fully before removing or installing any threaded fittings. Apply a code-approved thread sealant or PTFE tape to male threads before assembly. Do not over-tighten threaded connections, as cast iron fittings can crack under excessive torque.
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