Parker EZ-371-8FP Female Nptf Pneumatic Hose Coupler

Product Description

The PARKER EZ-371-8FP is a female NPTF industrial pneumatic hose coupler designed for compressed air and pneumatic fluid systems. Built from steel, this coupler features a 3/8 inch body diameter and a 1/2-14 NPTF threaded connection, providing a reliable, pressure-retaining seal without the need for tape or sealant on a properly gauged fitting. It is used to connect pneumatic hoses and lines at quick-disconnect points in industrial and shop environments. Installation is performed by licensed or qualified pneumatic system technicians and experienced tradespeople working on compressed air distribution systems.

This coupler is suited for industrial pneumatic applications where a durable, threaded female connection point is required. The NPTF thread form creates a dry-seal mechanical joint, making it appropriate for systems where leak-free performance is critical. Typical installations include compressor outlet manifolds, airline drops, tool quick-connect stations, and pneumatic control lines in manufacturing, maintenance, and service shop environments.

Key Features

• Steel construction for durability in industrial environments
• 3/8 inch body diameter coupler size
• 1/2-14 female NPTF threaded connection for dry-seal mechanical joint
• Threaded connection type for secure, pressure-retaining fitment
• Compact, single-piece coupler design

Compatibility

Designed as an OEM-style replacement or new-installation coupler for industrial pneumatic hose and airline systems requiring a 3/8 inch body, 1/2-14 female NPTF threaded coupler.

Installation Notes

Installation should be performed by a qualified technician familiar with compressed air systems. De-pressurize and lock out the pneumatic line before removing or installing any coupler. NPTF threads are designed for dry-seal assembly, but inspect threads carefully before installation to ensure proper engagement and a leak-free connection. Follow applicable workplace safety standards and equipment manufacturer guidelines for torque and pressure ratings.