Acetylene Line Hose With A and A Fittings, 3/16" x 12' - 200 PSI
3 Available At All US Supply Locations

Harris 4300775 Acetylene Hose – 3/16" x 12', Grade R, A-A Fittings, Single Red
The Harris 4300775 Acetylene Hose is a professional-grade, 3/16-inch x 12-foot single-line welding hose designed for dependable gas delivery in oxy-fuel systems. Engineered for industrial and fabrication applications, this hose features kink-resistant construction, durable chemical bonding, and high flexibility to ensure consistent performance under rigorous operating conditions. The abrasion- and weather-resistant cover, coupled with precision A-A connections, supports long service life and reliable operation in shop or field environments.
Technical Specifications
- Manufacturer: Harris
- Model Number: 4300775
- Product Type: Acetylene Welding Hose
- Grade: R (General Purpose for Fuel Gas)
- Inside Diameter: 3/16 inch
- Length: 12 feet
- Maximum Working Pressure: 200 PSI
- Connection Type: “A” Female Fittings (both ends)
- Configuration: Single Line, Red (Acetylene Service)
- Construction: Chemically bonded inner tube and cover for kink resistance and flexibility
- Cover Material: Synthetic rubber, abrasion and weather resistant
- Operating Temperature Range: Suitable for standard oxy-fuel operating conditions
- Compatibility: Designed for acetylene use in oxy-fuel welding and cutting applications
- Applications: Industrial fabrication, maintenance, HVAC brazing, and general welding operations
Performance and Application
The Harris 4300775 Acetylene Hose provides stable gas transfer and consistent flow characteristics for professional oxy-fuel systems. Its chemically bonded inner and outer layers prevent separation, improving handling and reducing wear over repeated flex cycles. The red color coding allows quick visual identification for acetylene lines, ensuring safe setup and maintenance. The heavy-duty outer jacket resists abrasion, cracking, and environmental degradation, extending service life in demanding shop and field conditions. The 200 PSI maximum pressure rating ensures compatibility with standard acetylene regulators and torches.
Summary
The Harris 4300775 3/16" x 12' Grade R Acetylene Hose delivers reliable, safe, and durable performance for professional welding and cutting applications. Featuring kink-resistant bonded construction, abrasion-resistant covering, and factory-installed A-A fittings, it provides long-term service and dependable gas control in industrial and mechanical environments.
Specifications
| Weight | 0.880000 |
|---|---|
| Length (inches) | 4.88 |
| Width (inches) | 3 |
| Height (inches) | 4.88 |
| Item Type | Plumbing & HVAC |
| Brand | Harris Product Group |
| Manufacturer | Harris Product Group |
| MPN | 4300775 |
| Sub Type | Welding Hose |
| Warranty | 1 Year |
| Material | EPDM |
| Application | Welding, Industrial applications |
| Includes | Single acetylene gas hose, Grade R with A&A connections, 3/16 in. ID x 12 ft. long |
| Item Returns | This item can be returned |
