The Steel Spiral Hydrocarbon Hose 7840 is a fire-resistant fuel hose designed for marine applications, specifically for the loading of fuels and biodiesel in the engines of pleasure boats. It complies with the ISO 7840:2021 A1 CE standard, ensuring high safety and performance standards.
- Fire Resistance: Meets the highest requirements in permeation resistance, certified by Lloyd's Register Marine & Shipping.
- Temperature Range: Suitable for temperatures between -30°C and +100°C.
- Compatibility: Compatible with petrol, petrol blended with ethanol, diesel fuel, and diesel fuel blended with FAME.
Technical Specifications:
- Inner Tube: Black, smooth NBR (Nitrile Butadiene Rubber) compound, resistant to petroleum products up to 50% aromatic content.
- Reinforcement: Synthetic textile braid with embedded steel helix for hoses with an inner diameter greater than 25 mm.
- Cover: Black, smooth CR (Chloroprene Rubber) compound, self-extinguishing, resistant to heat, fuels, ozone, and marine agents.
- Working Pressure: 10 bar.
- Bursting Pressure: 30 bar.
- Bending Radius: 450 mm for 38 mm inner diameter hoses.
Materials:
- Inner Tube: NBR rubber.
- Reinforcement: Synthetic textile plies with embedded steel helix for hoses with an inner diameter greater than 25 mm.
- Cover: CR rubber.
Dimensions:
- Inner Diameter: 38 mm.
- Outer Diameter: 52 mm.
- Bending Radius: 450 mm.
Compatibility Information: This hose is designed for use with marine engines on pleasure boats, suitable for conveying petrol, petrol blended with ethanol, diesel fuel, and diesel fuel blended with FAME.
