The TUPY Brazil 90° elbow (figure 90) is used to turn the flow through a right angle on water, gas, steam and fire protection lines. It is cast in malleable iron (MI) with precision threads to the European standard.
| Figure number | 90 |
| Size range | 1/4" – 6" |
| Finish | Galvanised and black |
| Thread | BSP (ISO 7-1) |
| Standard | EN 10242 / ISO 49 |
| Maximum working pressure | 25 bar (−20 to +120°C); 20 bar at +300°C |
| Material | Malleable cast iron |
The size range summarises this figure's table and does not guarantee stock in every size. TUPYBSP working pressure is 25 bar from −20 to +120 °C; consult the catalogue pressure–temperature table outside that range. Hydrostatic test values are not working pressures; the catalogue specifies a separate 37.5 bar test value for joints. Check the product-family catalogue and the required figure and size approvals before selection.
These marks relate to TUPY product-line standards and approvals. Scope varies by figure, size and application; confirm the current catalogue and figure-specific listing before specification.
The dimension letters follow the technical drawing above. Weights are per single fitting, in kilograms.
| Nominal diameter | Dimensions (mm) | Weight (kg) | Pieces per carton | |||
|---|---|---|---|---|---|---|
| inch | mm | a | z | Galvanised | Black | |
| 1/4" | 8 | 21 | 11 | 0.038 | 0.034 | 400 |
| 3/8" | 10 | 25 | 15 | 0.070 | 0.067 | 230 |
| 1/2" | 15 | 28 | 15 | 0.089 | 0.089 | 170 |
| 3/4" | 20 | 33 | 18 | 0.144 | 0.137 | 100 |
| 1" | 25 | 38 | 21 | 0.210 | 0.202 | 70 |
| 1.1/4" | 32 | 45 | 26 | 0.330 | 0.318 | 40 |
| 1.1/2" | 40 | 50 | 31 | 0.438 | 0.418 | 30 |
| 2" | 50 | 58 | 34 | 0.663 | 0.663 | 15 |
| 2.1/2" | 65 | 69 | 42 | 1.217 | 1.183 | 8 |
| 3" | 80 | 78 | 48 | 1.524 | 1.496 | 6 |
| 4" | 100 | 96 | 60 | 2.938 | 2.847 | 3 |
| 5" | 125 | 115 | 75 | 4.630 | 4.306 | 1 |
| 6" | 150 | 131 | 91 | 8.829 | 8.724 | 2 |
Source: TUPY catalogue dimensional data for this figure; verify the current revision.
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Original factory files from TUPY Brazil, for use in AutoCAD, Revit and 3D software.
The 90° elbow is one of the most widely used threaded fittings in building services and industrial installations. Its job is to turn the flow of the medium through 90°, without significant pressure loss and without creating a weak point in the pipeline.
The TUPY Brazil 90° elbow is identified by figure 90 and is cast in malleable iron (MI). Unlike grey cast iron, which is brittle under impact, malleable iron can deform plastically: under impact, vibration and the stresses caused by thermal expansion it yields slightly instead of fracturing. That property is what makes this fitting suitable for gas lines, steam lines and fire protection networks.
The threads of the TUPY 90° elbow are machined to BSP, based on EN 10242 and ISO 49. Thread accuracy is decisive in these fittings: a thread with the wrong pitch or an uneven angle will develop a leak over time even when it has been sealed properly.
The fitting is supplied in two finishes. The galvanised type is hot-dip coated and suits drinking water lines, damp environments and outdoor runs. The black (uncoated) type is used on steam and oil lines and on runs that are not exposed to moisture.
The TUPY Brazil 90° elbow is made in sizes 1/4in to 6in. The TUPYBSP catalogue states a working pressure of 25 bar from −20 to +120°C; consult its pressure–temperature table for conditions outside that range.
The TUPY Brazil 90° Elbow is made in 13 sizes, from 1/4" to 6". The full list of sizes, with the dimensions in millimetres and the weight of each piece, is in the dimensions and weights table on this page.
The weight depends on the size: the 1" size, for example, weighs 0.210 kg galvanised and 0.202 kg black. The weights of every size are taken from the official TUPY catalogue and are listed in the table on this page, so they can be used to work out shipping weight and freight cost.
TUPYBSP fittings are threaded to BSP in accordance with ISO 7-1; the male thread is tapered and the seal is made on the thread itself. BSP is not interchangeable with NPT, and screwing the two together will leak. TUPY also produces a separate NPT line, which is covered in the downloads section.
The figure 90 elbow turns the pipe run through 90° and is female at both ends. The figure 120 45° elbow is used for a gentler change of direction and a lower pressure drop. The figure 90R reducing elbow has two ends of different diameter, so it changes direction and diameter in one fitting. The figure 92 street elbow is male at one end and female at the other and screws straight into the next fitting without a socket; its 45° version is figure 121.
According to TUPY's technical catalogue, the working pressure of TUPYBSP fittings is 25 bar between −20 °C and +120 °C. For temperatures outside that interval, use the catalogue pressure-temperature table and confirm suitability for the application. The catalogue lists hydrostatic design-test pressures of 100 bar for other fittings from 1/4 in to 4 in, 64 bar for 5 in and 6 in, and 37.5 bar for joints. These are test values, not working-pressure ratings. Confirm the applicable fitting, temperature range and project requirements before selection.
The TUPY 90° Elbow is manufactured to EN 10242 / ISO 49. TUPY malleable cast iron fittings are built to ISO 49, EN 10242 and ABNT NBR 6943, and their threads follow ISO 7-1. Check the current figure- and size-specific listing before relying on an approval.
Where dimensions permit, genuine TUPY fittings carry cast markings such as the factory mark and nominal size. Check the figure-specific catalogue and packaging as well. The threads are clean and free of burrs, and the galvanised coating is even. The surest check is to weigh the piece and compare it with the weight table on this page; counterfeit pieces usually come out lighter than the official catalogue weight.
Use the request a quote page at /request-a-quote and tell us the figure number (90), the sizes and the quantities you need. Our Dubai office will come back with a quotation, the current stock position and a lead time. Amini Building Materials Trading L.L.C is the exclusive agent of TUPY S.A. in the Middle East and supplies the region from Dubai.
