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The ASC Engineered Solutions 2.BP is a cored regular square head pipe plug designed to close off threaded pipe openings in low-pressure plumbing and piping systems. Sized at 2 inches nominal with a male NPT end style, this plug threads directly into a female NPT fitting or pipe end. It is manufactured from cast iron with a black finish and carries a 125 lb pressure class rating. Plumbers and pipefitters install this type of plug during system testing, system commissioning, or as a permanent closure on unused ports.
This square head plug is suited for residential and light commercial piping applications where cast iron fittings are specified. The cored design reduces material weight while maintaining structural integrity for standard service conditions. The square head profile allows for installation and removal with a wrench or socket, making it practical in tight spaces where a standard hex fitting would be difficult to turn. It is domestically manufactured and intended for use in threaded pipe assemblies following standard NPT practices.
Designed as an OEM-style replacement or new installation fitting for 2 inch female NPT threaded pipe ends and fittings in standard cast iron plumbing assemblies.
Installation is performed by licensed plumbers or qualified pipefitters working with threaded pipe systems. Shut off system pressure and drain the line before installing or removing any threaded pipe plug. Apply an appropriate thread sealant or PTFE tape to the male NPT threads prior to installation in accordance with applicable IPC or IFGC requirements. Do not over-tighten cast iron fittings, as the material is brittle and susceptible to cracking under excessive torque.
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