Parker 25KATF10MPN Pneumatic Hose Coupler 1/4 in Brass

Product Description

The PARKER 25KATF10MPN is a brass pneumatic hose coupler from the 25 Series product line, designed for high-flow interchange applications in compressed air systems. The coupler features a 1/4 inch body diameter with a hose barb connection and accepts hose with a 3/8 inch inside diameter. It is rated for a maximum working pressure of 300 psi and operates across a temperature range of -4 degrees F to 212 degrees F. With an overall length of 2.81 inches, this coupler suits maintenance, industrial, and trade service work where reliable quick-connect performance is required.

This coupler is suited for use in pneumatic tool supply lines, shop air systems, and light industrial plumbing applications. The high-flow interchange design is intended for situations where maximum air volume delivery is a priority over standard-flow fittings. The hose barb thread type allows direct attachment to compatible flexible air hose without requiring threaded pipe fittings. Licensed trades and industrial maintenance technicians typically install this fitting on compressor drop lines, service reels, and portable tool setups.

Key Features

• High-flow interchange coupler design for maximum air volume delivery
• Brass construction for corrosion resistance and durability in shop environments
• 1/4 inch body diameter with 3/8 inch ID hose barb connection
• Rated to 300 psi maximum working pressure
• Operating temperature range from -4 degrees F to 212 degrees F
• Compact 2.81 inch overall length with 0.81 inch hex size for standard wrench installation

Compatibility

Designed as a high-flow interchange coupler compatible with 25 Series pneumatic fittings and 3/8 inch inside diameter flexible air hose assemblies using hose barb connections.

Installation Notes

Depressurize and isolate the air supply line completely before removing or installing any pneumatic fittings. Secure the hose barb end onto the hose using an appropriate clamp or crimp to prevent blowoff under pressure. Use an open-end or adjustable wrench on the 0.81 inch hex to tighten the coupler body — do not overtighten brass fittings, as the material is softer than steel. Verify the completed assembly does not exceed the 300 psi maximum working pressure rating before returning the system to service.