Description

• All vacuum receives are made of black steel sheet, painted externally with an undercoat of beige alkyd resin lacquer, family 1, class 4a and a finishing coat
• On request, they can be internally and externally hot zinc-dipped by full immersion
• The profile of heads includes a large edge radius
• Lengthwise and circular welds are made by electric flux welding
• Couplings are welded by manual arc welding