Parker 25 Pneumatic Hose Coupler 3/8 in Body Industrial

Product Description

The PARKER 25 is a threaded pneumatic hose coupler designed for use in compressed air and pneumatic fluid systems. Built from steel with a zinc chromate finish, this coupler features a 3/8-18 female NPTF thread and a 3/8 inch body diameter, delivering reliable sealing performance in high-cycle service environments. It is rated for a maximum working pressure of 300 psi and operates across a temperature range of -40 degrees F to 250 degrees F. The 25 is part of Parker's Series 20 Industrial Interchange lineup and is installed by HVAC technicians, pipefitters, and industrial maintenance professionals in both shop and field applications.

This coupler is suited for residential and commercial pneumatic tool connections, compressed air distribution lines, and pneumatic control systems. The Industrial Interchange design allows it to mate with standard industrial-interchange plugs widely used across trade and industrial settings. Its threaded connection and compact 2.28 inch overall length make it practical for tight-space installations on tool drops, manifolds, and portable compressor outlets.

Key Features

• 3/8-18 female NPTF threaded connection for leak-resistant sealing
• 300 psi maximum working pressure rating
• Operating range of -40 degrees F to 250 degrees F
• Steel body with zinc chromate finish for corrosion resistance
• Series 20 Industrial Interchange design for broad plug compatibility
• Compact 2.28 inch overall length suits confined installation spaces

Compatibility

Designed as an OEM-style replacement or direct-fit coupler for Series 20 Industrial Interchange pneumatic systems using 3/8 inch body, 3/8-18 female NPTF threaded connections.

Installation Notes

Installation should be performed by a qualified pipefitter or pneumatic systems technician. Depressurize and bleed down the air line completely before removing or installing any coupler. Apply thread sealant appropriate for pneumatic service to the NPTF threads per the fitting manufacturer's guidance. Follow applicable shop-air safety codes and equipment manufacturer specifications for torque and leak testing after installation.