TABELA DIAMETRO

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Tabela Equivalência Diâmetro Nominal / Real
Brascoterm Isolantes Térmicos Ltda www.brascoterm.com.br 
Pabx: (11) 2684 – 0355 Vendas: vendas@brascoterm.com.br
São Paulo ( SP ) - Brasil SAC : brascoterm@brascoterm.com.br
Página 1 Brascoterm_TabelaDiametro 
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Tubo a Isolar Tubo Isolante Diâmetro Interno do Tubo Isolante - Tolerância - 
Ø Nominal (mm) Ø Externo (mm] Ø Interno (mm) Ø Mínimo Ø Máximo 
 12 ( 1/2" ) 21,3 22,5 21,5 23,5 
20 ( 3/4" ) 26,7 28,0 27,0 29,0 
25 ( 1" ) 33,4 35,0 34,0 36,0 
32 ( 1.1/4" ) 42,2 43,5 42,5 44,5 
40 ( 1.1/2" ) 48,3 49,5 48,5 50,5 
50 ( 2" ) 60,3 62,0 61,0 63,0 
63 ( 2.1/2" ) 73,0 75,5 74,0 77,0 
75 ( 3" ) 88,9 91,0 89,5 92,5 
90 ( 3.1/2" ) 101,6 104,0 102,5 105,5 
100 ( 4" ) 114,3 116,5 115,0 118,0 
110 ( 4.1/2" ) 127,0 130,5 128,0 133,0 
125 ( 5" ) 141,3 146,0 143,5 148,5 
150 ( 6" ) 168,3 173,0 170,5 175,5 
175 ( 7" ) 193,7 200,5 195,5 205,5 
200 ( 8" ) 219,1 226,0 221,0 231,0 
225 ( 9" ) 244,5 251,5 246,5 _256,5 
250 ( 10" ) 273,0 280,0 275,0 285,0 
275 ( 11" ) 298,5 305,5 300,5 310,5 
300 ( 12" ) 323,8 331,0 326,0 336,0 
325 ( 13" ) 349,2 356,5 351,5 361,5 
350 ( 14" ) 355,6 363,0 _ 358,0 368,0 
375 ( 15" ) 381,0 388,5 383,5 393,5 
400 ( 16" ) 406,3 414,0 409,0 419,0 
425 ( 17" ) 431,8 439,0 434,0 444,0 
450 ( 18" ) 457,2 464,5 459,5 469,5 
475 ( 19" ) 482,6 490,0 485,0 495,0 
500 ( 20" ) 508,0 515,5 510,5 520,5 
550 ( 22" ) 558,8 566,0 561,0 571,0 
600 { 24" ) 609,6 617,0 612,0 622,0 
650 ( 26" ) 660,4 668,0 663,0 673,0 
700 ( 28" ) 711,2 718,5 713,5 723,5 
 750 ( 30" ) 762,0 769,5 764,5 774,5 
 800 ( 32" ) 812,8 820,0 815,0 825,0 
 850 ( 34" ) 863,6 871,0 866,0 876,0 
900 ( 36" ) 914,4 922,0 917,0 927,0 
OBS : Dimensões normatizadas conforme NB-72 da ABNT 
 
 
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