Eaton 3220X12X6 Pipe Bushing 3/4 X 3/8 Mnptf Fnptf 1200 Psi

Product Description

The EATON 3220X12X6 is a straight industrial pipe bushing designed to reduce a 3/4 inch MNPTF male thread down to a 3/8 inch FNPTF female thread. It is rated for a maximum working pressure of 1,200 psi and a temperature range of -65 degrees F to 250 degrees F, making it suitable for demanding fluid and gas piping systems. The hex size of 1-1/8 inches and overall length of 0.875 inches allow for a compact installation using standard wrenches. Plumbers, pipefitters, and mechanical contractors install this type of bushing when adapting between pipe sizes in hydraulic, pneumatic, or industrial process lines.

This bushing is intended for use in industrial and commercial piping applications where a threaded reduction is needed between NPT-threaded components. The MNPTF x FNPTF connection type provides a pressure-tight mechanical seal. Typical installation scenarios include hydraulic systems, compressed air lines, and process fluid assemblies where pressure integrity and temperature resistance are critical. The straight fitting shape simplifies in-line installation without requiring additional fittings or adapters.

Key Features

• 3/4 inch MNPTF male thread to 3/8 inch FNPTF female thread straight reduction
• 1,200 psi maximum working pressure rating
• Operating temperature range of -65 degrees F to 250 degrees F
• 1-1/8 inch hex size for wrench engagement
• Overall length of 0.875 inches for compact inline fitment
• Meets ASA, ASME, and SAE standards

Compatibility

Designed as an OEM-style replacement fitting for industrial piping systems using MNPTF x FNPTF threaded connections requiring a 3/4 inch to 3/8 inch thread reduction.

Installation Notes

Installation is performed by licensed plumbers or qualified pipefitters. Depressurize and isolate the system completely before removing or installing any threaded fittings. Apply an appropriate thread sealant or PTFE tape to the male threads per the system fluid compatibility requirements. Use a properly sized wrench on the hex to avoid deforming the fitting body.