3/8 inch x 1/8 inch Black Iron Bushing

3/8 inch x 1/8 inch Black Malleable Iron Reducing Bushing – Threaded

The 3/8 inch x 1/8 inch Black Malleable Iron Reducing Bushing is engineered for pipe size transitions in threaded systems. Designed for strength, corrosion resistance, and dimensional precision, this fitting is ideal for steam, air, water, gas, and oil systems in residential and light commercial applications. The hex head allows for easy wrench installation in tight spaces.

Product Features

• ✅ Material: Class 150 black malleable iron per ASTM A197
• ✅ Finish: Protective black oxide coating
• ✅ Connection: NPT Female x Male Threads per ANSI B1.20.1
• ✅ Hex-Head Design: Simplifies installation and torque application
• ✅ Temperature Rating: Up to 150 PSI at 300°F in steam applications

Installation Guidance

Install using pipe wrenches and appropriate sealants such as PTFE tape or pipe joint compound compatible with the service fluid. Do not overtighten to prevent damage to mating threads. Always verify torque requirements for the system type and pressure rating.

Application Range

• Residential and commercial gas distribution
• Low- to medium-pressure steam and air systems
• Hot and cold potable water systems (where allowed by local code)
• Process piping and hydraulic circuits not subject to chemical corrosion

Technical Specifications

• Size: 3/8 inch Male NPT x 1/8 inch Female NPT
• Material: Black malleable iron
• Pressure Rating: 150 PSI (non-shock, water, oil, air, gas)
• Compliance: Meets ASME B16.3 and B16.14

Performance Insights

Malleable iron bushings are preferred where impact resistance and strength are needed, especially in applications exposed to high vibration or pressure fluctuations. These fittings deliver consistent threading, dimensional uniformity, and excellent sealing compatibility when installed correctly.

The 3/8 inch x 1/8 inch Black Iron Bushing offers a reliable solution for threaded transitions where durability, dimensional accuracy, and performance are essential. Its robust design makes it an excellent fit for mission-critical applications across mechanical, utility, and structural systems.