2-1/2 inch x 2 inch Galvanized Cast Iron Bushing

2-1/2" x 2" Galvanized Cast Iron Bushing – Threaded Reducing Fitting for Drainage and Vent Systems

The 2-1/2" x 2" galvanized cast iron bushing is a threaded reducing fitting used to connect larger and smaller diameter pipe runs within compatible cast iron, steel, or galvanized piping systems. Commonly specified in drainage, venting, and general utility piping, this component features durable galvanization to resist corrosion and extend service life in both indoor and outdoor environments.

Product Specifications

• Material: Cast iron with hot-dip galvanized coating for enhanced corrosion resistance
• Thread Type: ANSI/ASME B1.20.1 NPT threads (male x female)
• Size: 2-1/2" male NPT x 2" female NPT
• Pressure Rating: Suitable for non-pressurized and low-pressure piping systems (consult applicable codes for limits)
• Compliance: Manufactured in accordance with ASTM A-197 (cast iron) and ASTM A-153 (galvanizing)

Installation Guidelines

Install using standard thread engagement procedures for iron pipe fittings. Ensure threads are free of debris and apply PTFE tape or approved thread sealant. Tighten using a compatible pipe wrench with care to avoid overtightening or thread deformation.

• Tools recommended: heavy-duty pipe wrench, PTFE thread tape or pipe joint compound
• Thread torque: follow manufacturer's recommendations for iron fittings based on pipe diameter

Applications

This bushing is commonly used in DWV (drain, waste, and vent) systems, mechanical rooms, and industrial settings where a reduction in pipe size is needed. Its rigid structure and corrosion-resistant finish make it suitable for both interior and exposed installations.

Material Consideration

Galvanized cast iron provides mechanical strength and longevity in applications subject to vibration, thermal variation, or outdoor exposure. It is not suitable for use with aggressive chemicals or for use in potable water systems unless specifically approved.