Tank:

• Material: steel sheet quality USD37.2
• Welds: with robot in inert gas environment
• Cleaning: 6-point shot blasting
• Internal coating: enamel (glass) 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 leatherette in various colors

Exchanger:

• Type: permanent coil made of steel tube with 33mm diameter (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 made of flexible polyurethane 75mm which is also removable for easier access in narrow passages.