1. Napratec
  2. Área Técnica
  3. Mecânica
  4. Flanges e acessórios
  5. Flange de orifício
ASME B16.36

Flange de orifício

Classes 300 a 2500, face ressaltada ou junta de anel: furação, tomadas de pressão e peso do par

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Tabela de medidas

Tabela completa

Flange de orifício ASME B16.36, classes 300 a 2500: dimensões e peso

Classe 300 · Face ressaltada (RF)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)G (mm)M (mm)A (mm)H (mm)N (mm)C (mm)Q pescoço (mm)Q face (mm)F (mm)Peso pescoço (kg)Peso sobrep. (kg)Peso roscado (kg)
1"25124,088,9417,538,150,853,933,582,647,834,535,833,036,68,007,007,00
1½"40155,5114,3420,638,173,269,948,385,947,849,550,648,137,313,011,011,0
2"50165,1127,0817,538,192,084,160,585,949,362,063,560,038,115,012,012,0
2½"65190,5149,4820,638,1104,7100,173,288,950,874,776,272,144,520,016,016,0
3"80209,6168,2820,638,1127,0117,488,988,952,390,792,287,946,022,019,019,0
4"100254,0200,2820,638,1157,2146,1114,392,053,9116,1117,6113,047,831,027,027,0
6"150317,5269,81222,438,1215,9206,3168,4100,153,9170,7171,5166,947,845,043,043,0
8"200381,0330,21225,441,2269,8260,4219,2111,362,0221,5222,3217,255,671,061,061,0
10"250444,5387,41628,547,8323,9320,6273,1117,466,6276,4———10091,0—
12"300520,7450,91631,850,8381,0374,7323,9130,173,2327,2———150127—
14"350584,2514,42031,853,9412,8425,5355,6142,876,2359,2———193179—
16"400647,7571,52035,157,2469,9482,6406,4146,182,6410,5———268211—
18"450711,2628,72435,160,5533,4533,4457,2158,888,9461,8———341277—
20"500774,7685,82435,163,5584,2587,3508,0162,195,3513,1———413336—
24"600914,4812,82441,269,9692,2701,6609,6168,2106,4616,0———613510—

Classe 600 · Junta de anel (RTJ)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)M (mm)A (mm)H (mm)P (mm)F (mm)E (mm)R (mm)Peso (kg)
1"25124,088,9419,138,153,933,582,650,88,706,400,807,00
1½"40155,5114,3422,438,169,948,385,968,38,706,400,8011,0
2"50165,1127,0819,138,184,160,585,982,611,97,900,8014,0
2½"65190,5149,4822,438,1100,173,288,9101,611,97,900,8021,0
3"80209,6168,2822,438,1117,488,988,9123,811,97,900,8025,0
4"100273,1215,9825,438,1152,4114,3101,6149,211,97,900,8045,0
6"150355,6292,11228,447,8222,3168,4117,4211,111,97,900,8089,0
8"200419,1349,31231,855,6273,1219,2133,4269,911,97,900,80129
10"250508,0431,81635,163,5342,9273,1152,4323,911,97,900,80214
12"300558,8489,02035,166,6400,1323,9155,5381,011,97,900,80259
14"350603,3527,12038,169,9431,8355,6165,1419,111,97,900,80377
16"400685,8603,32041,176,2495,3406,4177,8469,911,97,900,80515
18"450743,0654,12044,582,6546,1457,2184,2533,411,97,900,80604
20"500812,8723,92444,588,9609,6508,0190,5584,213,59,501,60754

Classe 600 · Face ressaltada (RF)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)G (mm)M (mm)A (mm)H (mm)Peso (kg)
1"25124,088,9417,538,150,853,933,582,68,00
1½"40155,5114,3420,638,173,269,948,385,912,0
2"50165,1127,0817,538,192,084,160,585,915,0
2½"65190,5149,4820,638,1104,7100,173,288,916,0
3"80209,6168,2820,638,1127,0117,488,988,920,0
4"100273,1215,9825,438,1157,2152,4114,3101,647,0
6"150355,6292,11228,447,8215,9222,3168,4117,489,0
8"200419,1349,31231,855,6269,8273,1219,2133,4126
10"250508,0431,81635,163,5323,9342,9273,1152,4206
12"300558,8489,02035,166,6381,0400,1323,9155,5251
14"350603,3527,12038,169,9412,8431,8355,6165,1370
16"400685,8603,32041,176,2469,9495,3406,4177,8505
18"450743,0654,12044,582,6533,4546,1457,2184,2592
20"500812,8723,92444,588,9584,2609,6508,0190,5736
24"600939,8838,22450,8101,6692,2717,7609,6203,21052

Classe 900 · Junta de anel (RTJ)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)M (mm)A (mm)H (mm)P (mm)F (mm)E (mm)R (mm)Peso (kg)
3"80241,3190,5825,438,1127,088,9101,6123,811,97,900,8038,0
4"100292,1235,0831,844,5158,8114,3114,3149,211,97,900,8064,0
6"150381,0317,51231,855,6235,0168,4139,7211,111,97,900,80131
8"200469,9393,71238,163,5298,5219,2162,1269,911,97,900,80204
10"250546,1469,91638,169,9368,3273,1184,2323,911,97,900,80300
12"300609,6533,42038,179,3419,1323,9200,2381,011,97,900,80372

Classe 900 · Face ressaltada (RF)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)G (mm)M (mm)A (mm)H (mm)Peso (kg)
3"80241,3190,5825,438,1127,0127,088,9101,534,0
4"100292,1235,0831,844,5157,2158,8114,3114,357,0
6"150381,0317,51231,855,6215,9235,0168,4139,7118
8"200469,9393,71238,163,5269,8298,5219,2162,1190
10"250546,1469,91638,169,9323,9368,3273,1184,2277
12"300609,6533,42038,179,3381,0419,1323,9200,2345
14"350641,4558,82041,285,9412,8450,9355,6212,9441
16"400704,9616,02044,588,9469,9508,0406,4215,9545
18"450787,4685,82050,8101,6533,4565,2457,2228,6761
20"500857,3749,32053,9108,0584,2622,3508,0247,7927
24"6001041901,72066,6139,7692,2749,3609,6292,11697

Classe 1500 · Face ressaltada (RF)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)G (mm)M (mm)A (mm)H (mm)Peso (kg)
1"25149,4101,6425,438,150,852,333,582,612,0
1½"40177,8124,0428,538,173,269,948,388,916,0
2"50215,9165,1825,438,192,0104,760,5101,629,0
2½"65244,4190,5828,541,2104,7124,073,2104,790,0
3"80266,7203,2831,847,8127,0133,488,9117,455,0
4"100311,2241,3835,153,9157,2162,1114,3124,082,0
6"150393,7317,51238,182,6215,9228,6168,4171,5184
8"200482,6393,71244,592,0269,8292,1219,2212,9286
10"250584,2482,61250,8108,0323,9368,3273,1254,0498
12"300673,1571,51653,9124,0381,0450,9323,9282,5760
14"350749,3635,01660,5133,4412,8495,3355,6298,51053
16"400825,5704,91666,6146,1469,9552,5406,4311,21406
18"450914,4774,71673,2162,1533,4596,9457,2327,21836
20"500984,3831,91679,3177,8584,2641,4508,0355,62324
24"6001168990,61692,0203,2692,2762,0609,6406,43749

Classe 1500 · Junta de anel (RTJ)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)M (mm)A (mm)H (mm)P (mm)F (mm)E (mm)R (mm)Peso (kg)
1"25149,4101,6425,438,152,333,582,650,88,706,400,8012,0
1½"40177,8124,0428,538,169,948,388,968,38,706,400,8019,0
2"50215,9165,1825,438,1104,760,5101,695,311,97,900,8032,0
2½"65244,4190,5828,541,2124,073,2104,7108,011,97,900,8045,0
3"80266,7203,2831,847,8133,488,9117,4136,511,97,900,8059,0
4"100311,2241,3835,153,9162,1114,3124,0161,911,97,900,8091,0
6"150393,7317,51238,182,6228,6168,4171,5211,113,59,701,60197

Classe 2500 · Face ressaltada (RF)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)G (mm)M (mm)A (mm)H (mm)Peso (kg)
1"25158,8108,0425,438,150,857,233,592,013,0
1½"40203,2146,1431,844,573,279,348,3111,328,0
2"50235,0171,5828,550,892,095,360,5127,040,0
2½"65266,7196,9831,857,2104,7114,373,2142,850,0
3"80304,8228,6835,166,6127,0133,488,9168,2104
4"100355,6273,1841,276,2157,2165,1114,3190,5161
6"150482,6368,3853,9108,0215,9235,0168,4273,1414
8"200552,5438,21253,9127,0269,8304,8219,2317,5636
10"250673,1539,81266,6165,1323,9374,7273,1419,11189
12"300762,0619,21273,2184,2381,0441,5323,9463,61667

Classe 2500 · Junta de anel (RTJ)

DN (pol)DN (mm)D (mm)K (mm)FurosL (mm)B (mm)M (mm)A (mm)H (mm)P (mm)F (mm)E (mm)R (mm)Peso (kg)
1"25158,8108,0425,438,157,233,592,060,38,706,400,8014,0
1½"40203,2146,1431,844,579,348,3111,382,611,97,900,8014,0
2"50235,0171,5828,550,895,360,5127,0101,611,97,900,8044,0
2½"65266,7196,9831,857,2114,373,2142,8111,113,59,701,6058,0
3"80304,8228,6835,166,6133,488,9168,2127,013,59,701,60114

Clique em uma linha para ver o desenho e a ficha daquele tamanho.

Como usar

Escolha a classe (300 a 2500), a face (ressaltada ou junta de anel) e o diâmetro: a ficha mostra o diâmetro externo, a furação, as espessuras, as tomadas de pressão e o peso do par.

Sobre as medidas

O flange de orifício (ASME B16.36) é fornecido em par, com tomadas de pressão de 1/2″ NPT na própria espessura do flange, para medir a pressão diferencial de uma placa de orifício entre eles. A linha de centro das tomadas fica a 23,8 mm (0,94″) da face; o furo da tomada é de 6,4 mm até 2 1/2″, 9,5 mm em 3″ e 12,7 mm de 4″ para cima. Na classe 300 o catálogo traz também os flanges sobreposto e roscado (roscados só de 1″ a 8″); nas demais classes, o de pescoço. Pesos são do par.

Furação e demais dimensões gerais seguem a ASME B16.5. Pesos aproximados, de catálogo; os desenhos são esquemáticos e as cotas são as da tabela.

Valores de referência conforme ASME B16.36. Confirme sempre com o projeto e com o fabricante antes de comprar ou fabricar.

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