Tank:

• Material: steel sheet USD37.2 quality
• Weldings: with robot in inert gas environment
• Cleaning: shot blasting 6 points
• Internal coating: glass enamel baked at 860° C in BL models
• Pmax operation: 6 bar
• Pmax test: 15 bar for 5 minutes
• Tmax operation: 95° C

Enclosure:

• Material: PVC synthetic leather in various colors

Exchanger:

• Type: permanent coil from 33mm cross-section steel tube (tubo)

Insulation:

• Material: polyurethane without CFC & FCKW
• Density: 40 kg/m3
• Thickness: 50-65 mm
• In boilers BL800 – BL1000 in all models the insulation is 75mm flexible polyurethane which is also removable for easier access in narrow passages.