Are produced in accordance with ABNT NBR 6943, ISO 49 and EN 10242 standards, for use in transport of fluids: hot and cold water, steam, liquid and gas fuels, hydraulic oils in general, compressed air, gases in general, etc., within the pressure and temperature specified in the standards. They are aimed to connections of threaded elements according to ABNT NBR NM-ISO 7-1 standard, where the sealing joint under pressure is of threaded type, with rated dimensions of ¼” to 6”.

Made of malleable cast iron, and meet at least the mechanical properties provisioned in ISO 5922 and EN 1562 standards.


Are produced with black finish (oiled only) and hot galvanizing (hot dip zinc-coating), according to ABNT NBR 6323 and ISO 1461 standards, both of them protected with non-toxic oil. Note on potability: Tupy BSP pipe fittings can be used in potable water pipework, as the substances applied on them meet the parameters prescribed by the 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 consultation.


Tupy BSP fittings are obligatorily certified by ABNT, in compliance with ordinance Inmetro No. 160, UL (UNDERWRITERS LABORATORIES) listed, certified by FM Approvals LLC and DVGW (Deutsche Verein des Gas- und Wasserfaches); the latter three being international quality certification bodies.

Quality Assurance System

Industry: Compressed air, Fire Prevention and Fighting System (Hydrant and Sprinkler), Petroleum By-product Liquid Fuels, Natural Gas (NG), Treated Reclaimed Water, Petroleum By-product Oil, Lubricant, Steam, Cooling System, Chilled Water, etc.
Civil Construction: Fire Prevention and Fighting System (Hydrant and Sprinkler), Natural Gas (NG), Cooling System, Chilled Water, etc.
Sanitation: Intake, Distribution, Potable Water Reservoirs, Artesian Wells, etc.
Irrigation: Pumping Installation, Distribution Pipes, etc.
Inputs: Construction of Machines, Equipment, etc.



Get to know the complete Tupy portfolio in the Pipe Fittings and Continuous Bars segment for use in AutoCAD™ and integrated quotation. Greater speed and perfection for your projects. Download it for free at

link to collabo

Electronic Catalog

Offering functions that assist the professionals and provide interaction which will be advantageous for all the stakeholders in the supply chain. The Electronic Catalog can be exported in text (txt) or table (xls) formats to make easier reading and assessing the items available.

link to collabo

Scroll Up