Breathing Air Refill Hose 1/4" & 3/16" · 7000 psi
High-pressure thermoplastic hose specifically designed for breathing air tank refill applications. 7000 psi (482 bar) working pressure at 73°F/23°C. Available in 3/16" and 1/4" diameter sizes. Does not include fittings. Sold by the foot; order the quantity of feet you need. For example, if you would like a 5-foot hose, you would order a quantity of "5."
527BA breathing air refill hose complies with NFPA 1901 requirements for Fire Apparatus and CGA G7.1-1 Grade E Breathing Air Standards and is suitable for different tank fill applications, such as integrated containment fill stations, mobile and stationary systems (with or without cascade controls), mobile trailer/truck systems, and portable SCBA fill. The 527BA hose does not contain conductive elements; therefore, it should not be used with explosive gases such as pure oxygen and hydrogen.
We custom cut this 7000 psi (482 bar) hose to customer specifications. To order custom hose lengths with installed hose ends of your choice, see SKU 527BA-4-CUSTOM (Custom 1/4" 7000 psi Breathing Air Hose & Hose Ends) or SKU 527BA-3-CUSTOM (Custom 3/16" 7000 psi Breathing Air Hose & Hose Ends).
Applications
- Integrated containment fill stations
- Pneumatics
- Mobile and stationary systems with or without cascade controls
- Portable SCBA fill
- Not for use as part of a SCBA systems
- Not for use between pressure reducing regulator and breathing mask
- This hose does not contain a conductive element; therefore, it should not be used with explosive gases such as pure oxygen and hydrogen
Specifications
527BA is a thermoplastic high-pressure hose that that complies with CGA G7.1-1 Grade E Breathing Air Standards and NFPA 1901.
| SKU | 527BA-3 | 527BA-4 |
| Nominal I.D. | 3/16" (4.8 mm) | 1/4" (6.3 mm) |
| Maximum O.D. | 0.43" (10.9 mm) | 0.52" (13.2 mm) |
| Minimum Bend Radius | 1.5" (38 mm) | 2" (51 mm) |
| Weight | 0.05 lb/ft (0.07 kg/m) | 0.07 lb/ft (0.11 kg/m) |
| Applications |
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| Specifications |
CGA G7.1-1997 Grade E Breathing Air Standards, NFPA 1901 | |
| Media | Air | |
| Tube | Nylon (color: Blue) | |
| Reinforcement | Aramid fiber | |
| Cover | Polyurethane | |
| Maximum Working Pressure | 7000 psi (482 bar) | |
| Working Temperature Range | -40°F to +180°F (-40°C to +82°C) | |
| Minimum Burst Pressure | 4x maximum working pressure at 73°F (23°C) | |
| Vacuum Rating | 28 in Hg | |
PLEASE NOTE: Custom cut hose is a special order item and is not returnable and is non-refundable. For additional information see our RETURNS POLICY. For assistance with ordering custom hose, or if your application requires "fractional foot" ordering (hose lengths that are not in one-foot increments, i.e. 14-foot, 7-inch hose length), please contact the Nuvair sales team.
