Asc Engineered Solutions 300074002 Cast Iron Reducing Tee

Product Description

The ASC ENGINEERED SOLUTIONS 300074002 is a black cast iron reducing tee designed for threaded pipe systems in commercial and industrial plumbing, HVAC, and mechanical piping applications. This fitting connects a 4-inch main run to a 3-inch outlet and a 2-1/2-inch branch, allowing a single fitting to step down flow across three ports. Manufactured in accordance with ASME B16.4, it meets the dimensional and pressure standards required for threaded cast iron fittings. Licensed plumbers and pipefitters install this fitting in new construction and retrofit work where durable, code-compliant iron fittings are specified.

This reducing tee is suited for use in residential and commercial mechanical systems where black iron threaded pipe is standard, including gas distribution, fire protection, and steam or hydronic heating systems. The fitting accommodates a 4-inch main line with a 3-inch run outlet and a 2-1/2-inch branch takeoff, making it useful in header configurations and multi-zone distribution manifolds. Its black iron finish is standard for gas and steam service installations.

Key Features

• Manufactured to ASME B16.4 for threaded cast iron pipe fittings
• Dimensions conform to Federal Specification WW-P-501
• Three-port reducing configuration: 4 inches x 3 inches x 2-1/2 inches
• Black cast iron construction for gas, steam, and hydronic service
• Threaded end connections for standard NPT pipe assembly

Compatibility

Designed as an OEM-style replacement and new-installation fitting for black iron threaded piping systems conforming to ASME B16.4 dimensional standards.

Installation Notes

Installation of this fitting is performed by licensed plumbers or pipefitters. Shut off and depressurize the pipe system fully before removing or installing any threaded fittings. Apply an approved thread sealant or PTFE tape to all male threads before assembly; hand-tighten first, then use a pipe wrench to bring to full engagement. Follow applicable codes including IFGC or IPC as required by the local authority having jurisdiction.

Technical Specifications

• Material: Black Cast Iron
• Connection Type: Threaded (NPT)
• Inlet Size: 4 inches
• Run Outlet Size: 3 inches
• Branch Size: 2-1/2 inches
• Standard: ASME B16.4
• Federal Specification: WW-P-501

Standard Information

• Brand: ASC ENGINEERED SOLUTIONS
• Manufacturer Part Number: 300074002