Luva TUPY Brazil figure 270
Figure 270

Luva — TUPY Brazil fittings

A luva da TUPY Brasil (figura 270) une dois tubos de mesmo diâmetro e é a conexão mais simples e mais usada em qualquer rede de tubulação.

Especificação técnica

Número de figura270
Faixa de tamanhos1/4pol a 6pol
AcabamentoGalvanised and black
RoscaBSP
NormaEN 10242 / ISO 49
Pressão máxima de trabalho25 bar
MaterialFerro fundido maleável

Normas e certificações

UL Listed
UL Listed
FM Approved
FM Approved
ISO
ISO
ABNT
ABNT
INMETRO
INMETRO
DVGW
DVGW

As conexões TUPY Brasil são fabricadas e inspecionadas sob a supervisão dos organismos internacionais acima e possuem aprovações reconhecidas para uso em redes de combate a incêndio, água e gás.

Technical drawing — Luva

Dimensional drawing of the Luva TUPY Brazil - figure 270
Dimensional drawing of the Luva — figure 270. The value behind each letter is given in the dimensions and weights table on this page.

Dimensions and weights — Luva

As letras das dimensões seguem o desenho técnico acima. Os pesos são por conexão unitária, em quilogramas.

Diâmetro nominal Dimensões (mm) Peso (kg)Peças por caixa
pol mm az1 Galvanizada Preta
1/4" 8 277 0.032 0.030500
3/8" 10 3010 0.041 0.039350
1/2" 15 3610 0.061 0.061200
3/4" 20 399 0.100 0.100150
1" 25 4511 0.159 0.15980
1.1/4" 32 5012 0.262 0.26260
1.1/2" 40 5517 0.346 0.34250
2" 50 6517 0.453 0.45330
2.1/2" 65 7420 0.703 0.70312
3" 80 8020 1.157 1.15710
4" 100 9422 1.942 1.9118
5" 125 10929 2.910 2.8753
6" 150 12040 4.433 4.3572

Fonte: catálogo oficial de conexões roscadas BSP da TUPY Brasil.

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About the Luva

A luva — uma manga curta com rosca fêmea em cada extremidade — é usada para unir duas pontas de tubo de mesmo diâmetro. É a conexão mais simples da linha e, por isso mesmo, a usada em maior quantidade em qualquer obra.

Uma forma simples não a torna sem importância. Como a luva fica diretamente no caminho do escoamento e o engate de rosca nela é curto, qualquer erro no passo ou no ângulo da rosca aparece rapidamente como vazamento. O comprimento do engate de rosca e sua uniformidade determinam a qualidade de uma luva.

A luva TUPY é fornecida como figura 270; é fundida em ferro maleável e suas roscas são usinadas em BSP, com base na EN 10242 e na ISO 49.

O tipo galvanizado serve a linhas de água e ambientes úmidos; o preto, a vapor e óleo. Bitolas de 1/4pol a 6pol.

Frequently asked questions about the Luva

In which sizes is the TUPY Brazil Luva made?

The TUPY Brazil Luva 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.

How much does one TUPY Luva weigh?

The weight depends on the size: the 1" size, for example, weighs 0.159 kg galvanised and 0.159 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.

Is the thread on the TUPY Luva BSP or NPT?

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.

What is the difference between the socket, the nipple, the reducer and the M/F extension piece?

The figure 270 socket is female at both ends and joins two pipes of the same diameter; its reducing version is figure 240. The figure 280 nipple is male at both ends and joins two female parts; its reducing version is figure 245. The figure 241 reducer is male at one end and female at the other and screws inside a socket or a tee to bring the diameter down. The figure 529A M/F extension piece is longer and acts as a connector; its reducing version is figure 246.

What is the maximum working pressure and temperature of TUPY fittings?

According to TUPY's technical catalogue, the working pressure of TUPYBSP fittings is 25 bar between −20 °C and +120 °C. It falls to 20 bar above 300 °C, and intermediate values are interpolated. The design pressure in the hydrostatic test is 100 bar for sizes up to 4 in and 64 bar for 5 in and 6 in.

To which standards is the TUPY Luva manufactured?

The TUPY Luva 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. The factory certificates can be seen in the standards and certifications section on this page.

How can you tell a genuine TUPY Brazil Luva?

On the body of every genuine TUPY fitting the factory mark, the figure number and the size are raised in the casting, not etched or printed. 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.

How do I get a quotation for the Luva?

Use the request a quote page at /request-a-quote and tell us the figure number (270), 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.

Guia de instalação e apertoRoscas BSP e identificação de tamanhoPressão e temperatura de trabalho

Outras conexões roscadas TUPY Brasil