Fornitori di serbatoi di stoccaggio in metallo
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Scopri i fornitori di serbatoi metallici →Metal storage tanks — types, materials, standards, and procurement
Metal storage tanks are the backbone of liquid and bulk solid storage across construction, agriculture, oil and gas, food and beverage, chemical processing, water treatment, and industrial facilities. Understanding tank types, material grades, applicable standards, and procurement terminology is essential for effective wholesale sourcing. Tank types: - Vertical cylindrical (upright): The most common configuration for above-ground bulk storage. Capacity from 500 litres to 100,000+ litres. Fixed-roof (cone or dome) or open-top. API 650 governs large field-erected tanks; smaller shop-fabricated tanks use EN 14015 (EU) or equivalent national standards. - Horizontal cylindrical: For road tankers, skid-mounted fuel/oil day tanks, underground fuel storage (UST), and applications where height is constrained. Common in 1,000–15,000 litre range. - Rectangular (cuboid): Space-efficient for indoor installation, basement cisterns, IBC-size liquid storage, and applications requiring easy modular arrangement. Common in 500–10,000 litre range. - Conical bottom (cone-bottom): Facilitates complete drainage; used in food processing, chemical dosing, and pharmaceutical tank applications. - Elevated water towers and header tanks: Rectangular or cylindrical on legs or stands for gravity-fed water distribution. Material grades: - Q235/S235JR mild steel: Economy grade. Adequate for non-aggressive water, non-potable liquids, fuel (with appropriate coating), and general industrial use. Requires internal coating/lining. - Q345/S355JR high-tensile steel: Higher strength — permits thinner walls at equivalent capacity/pressure, used for larger or elevated tanks. - Hot-dip galvanised steel: Good corrosion resistance for agricultural and outdoor water storage. Not suitable for potable water in all jurisdictions (zinc leaching concerns — confirm local regulations). - AISI 304 / AISI 316L stainless: For potable water, food, dairy, pharmaceutical, and chemical applications. See stainless-steel-tank-suppliers for detailed stainless specification. Industry standards: API 650 (field-erected atmospheric above-ground tanks, oil and gas sector, USA/international); EN 14015 (site-built vertical cylindrical tanks, Europe); BS 799 (oil-burning equipment storage, UK); BS 1386 (pressed steel cisterns, UK); UL 142 (aboveground steel fuel tanks, US); AWWA D100 (welded steel tanks for water storage, US). Procurement specifications to provide: Tank type, capacity, diameter (if cylindrical) or L × W × H, material and grade, wall/base/roof thickness, internal coating or lining specification, connection schedule (sizes, locations, ratings), manhole size, pressure rating (atmospheric vs low-pressure vs pressure vessel), finish (primer/topcoat, colour), and applicable standard or certification required.