Made of malleable cast iron to meet at least the mechanical properties provisioned for in the ASTM A197 and ISO 5922 standard.
Black finish (oiled only) and hot galvanizing (hot dip zinc-coating), according to ABNT NBR 6323 and ASTM A153 standards, both of them protected with non-toxic oil. Note on potability: Tupy NPT pipe fittings can be used in potable water pipework, as the substances applied on them meet the parameters prescribed by the Brazilian Ministry of Health, by its Consolidation Ordinance No. 5, of 10/03/17. Other special coatings, such as Epoxy, Cataphoretic and Hybrid painting, Double Galvanization, etc., can be supplied upon request.
They are obligatorily certified by ABNT, in compliance with ordinance Brazilian institute Inmetro No. 160, UL (UNDERWRITERS LABORATORIES) listed, certified by FM Approvals LLC; the last two being international quality certification bodies.
Quality Assurance System
Industry: Compressed air, Fire Prevention and Fighting System, Petroleum By-product Liquid Fuels, Gas (LPG, NG and inert gases), Treated Reclaimed Water, Petroleum By-product Oil, Lubricant, Steam, Cooling System, Chilled Water, etc.
Civil Construction: Gas (LPG and NG).
Inputs: Construction of Machines, Equipment, etc.
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