Description
The COILHOSE PNEUMATICS 127 is a steel pneumatic hose coupler designed for industrial compressed air systems. It features a 1/2-inch body diameter and a hose barb thread type sized for 3/8-inch inside diameter hose. The nickel-plated finish provides corrosion resistance in shop environments. Rated to 300 psi maximum working pressure, this coupler handles the demands of typical industrial and commercial air tool applications. It is installed by maintenance technicians, industrial mechanics, and HVAC service professionals when connecting or replacing quick-disconnect fittings on compressed air lines.
This coupler follows the Industrial Interchange standard, the most widely used quick-connect profile in North American shops and service fleets. It is suited for use on stationary compressors, portable air supplies, and pneumatic tool drops in both residential and light industrial settings. The operating temperature range of -40 degrees F to 250 degrees F makes it suitable for indoor and outdoor installations across a broad range of climates. The hose barb connection style allows direct attachment to flexible air hose without threaded fittings at the hose end.
Key Features
- 1/2-inch body diameter with Industrial Interchange profile for broad tool compatibility
- Hose barb connection sized for 3/8-inch inside diameter air hose
- 300 psi maximum working pressure rating
- Nickel-plated steel construction for corrosion resistance
- Wide temperature range: -40 degrees F to 250 degrees F
Compatibility
Designed as an OEM-style replacement or service coupler compatible with Industrial Interchange standard pneumatic quick-connect systems accepting a 1/2-inch body coupler.
Installation Notes
Installation should be performed by a qualified technician familiar with compressed air systems. Depressurize the air line completely before removing or installing any coupler. Secure the hose barb connection with an appropriately sized hose clamp to prevent blowoff under pressure. Follow applicable OSHA and local safety codes for compressed air systems during service.
Technical Specifications
- Body Diameter: 1/2 inch
- Hose Inside Diameter: 3/8 inch
- Maximum Working Pressure: 300 psi
- Maximum Temperature: 250 degrees F
- Minimum Temperature: -40 degrees F
- Material: Steel
- Finish: Nickel-Plated
- Thread Type: Hose Barb
- Interchange Type: Industrial
- Package Quantity: 1
Standard Information
- Brand: COILHOSE PNEUMATICS
- Manufacturer Part Number: 127









