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(4) ANSI/ASME B16.5 BLIND FLANGE

BLIND FLANGE CLASS 150

1. Standard: ANSI B16.5, ASME B16.5
2. Type: Blind Flange, Blank Flange (Raised Face)
3. Pressure: Class 150 
4. Size: 1/2" - 24", larger Sizes available on request
5. Raw Material: Carbon Steel: ASTM A105, A350
6. Process: Forged or Stamped
7. ASTM raw material specification

 

ANSI/ASME/ASA B16.5 150lb/sq.in. Flange BLIND-RFøDbgkHoleslKg.1/2"88,911,134,960,3415,90,4003/4"98,412,742,969,8415,90,7001"107,914,350,879,4415,90,9001 1/4"117,515,963,588,9415,91,3001 1/2"127,017,573,098,4415,91,6002"152,419,092,1120,6419,02,6002 1/2"177,822,2104,8139,4419,04,1003"190,523,8127,0152,4419,05,0003 1/2"215,923,8139,7177,8819,06,4004"228,623,8157,2190,5819,07,1005"254,023,8185,7215,9822,29,0006"279,425,4215,9241,3822,211,8008"342,928,6269,9298,4822,221,00010"406,430,2323,4361,91225,430,00012"482,631,7381,0431,81225,445,00014"533,434,9412,7476,21228,659,00016"596,936,5469,9539,91628,679,00018"635,039,7533,4577,81631,797,00020"698,542,9584,2635,02031,7124,00022"749,346,0641,2692,12034,9151,00024"812,847,6692,1749,32034,9188,000

NOTE:1. Class 150 flanges except Lap Joint will be furnished with 0.06 (1.6mm) raised face, which is included in ‘Thickness’ (C) and ‘Length through Hub’ (Y1), (Y3).2. For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.3. Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.4. The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree. To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (C).5. Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

BLIND FLANGE CLASS 300

1. Standard: ANSI B16.5, ASME B16.5
2. Type: Blind Flange, Blank Flange (Raised Face)
3. Pressure: Class 300 
4. Size: 1/2" - 24", larger Sizes available on request
5. Raw Material: Carbon Steel: ASTM A105, A350
6. Process: Forged or Stamped
7. ASTM raw material specification

 

ANSI/ASME/ASA B16.5 300lb/sq.in. Flange BLIND-RFøDbgkHoleslKg.1/2"95,214,334,966,7415,90,7003/4"117,515,942,982,5419,01,2001"123,817,550,888,9419,01,5001 1/4"133,319,063,598,4419,02,0001 1/2"155,620,673,0114,3422,22,9002"165,122,292,1127,0819,03,4002 1/2"190,525,4104,8149,2822,25,1003"209,528,6127,0168,3822,27,0003 1/2"228,630,2139,7184,1822,28,9004"254,031,7157,2200,0822,211,8005"279,434,9185,7234,9822,215,5006"317,536,5215,9269,91222,221,3008"381,041,3269,9330,21225,435,20010"444,547,6323,8387,31628,657,00012"520,750,8381,0450,81631,782,00014"584,254,0412,7514,32031,7106,00016"647,757,1469,9571,52034,9140,00018"711,260,3533,4628,62434,9178,00020"774,763,5584,2685,82434,9223,00022"838,266,7641,2742,92441,3270,00024"914,469,8692,1812,82441,3345,000

NOTE:1. Class 300 flanges except Lap Joint will be furnished with 0.06 (1.6mm) raised face, which is included in ‘Thickness’ (C) and ‘Length through Hub’ (Y1), (Y3).2. For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.3. Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.4. The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree. To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (C).5. Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

BLIND FLANGE CLASS 600

1. Standard: ANSI B16.5, ASME B16.5
2. Type: Blind Flange, Blank Flange (Raised Face)
3. Pressure: Class 600 
4. Size: 1/2" - 24", larger Sizes available on request
5. Raw Material: Carbon Steel: ASTM A105, A350
6. Process: Forged or Stamped
7. ASTM raw material specification

 

ANSI/ASME/ASA B16.5 600lb/sq.in. Flange BLIND-RFøDbgkHoleslKg.1/2"95,214,334,966,7415,90,7003/4"117,515,942,982,5419,01,2001"123,817,550,888,9419,01,5001 1/4"133,320,663,598,4419,02,0001 1/2"155,622,273,0114,3422,23,2002"165,125,492,1127,0819,04,3002 1/2"190,528,6104,8149,2822,26,0003"209,531,7127,0168,3822,28,0003 1/2"228,634,9139,7184,1825,410,5004"273,038,1157,2215,9825,418,0005"330,244,4185,7266,7828,628,5006"355,647,6215,9292,11228,635,5008"419,155,6269,9349,21231,758,00010"508,063,5323,8431,81634,998,00012"558,866,7381,0488,92034,9125,00014"603,269,8412,7527,02038,1151,00016"685,876,2469,9603,22041,3215,00018"742,982,5533,4654,02044,4287,00020"812,888,9584,2723,92444,4366,00022"869,995,2641,2777,92447,6437,00024"939,8101,6692,1838,22450,8532,000

NOTE:1. Class 600 flanges except Lap Joint will be furnished with 0.25 (6.35mm) raised face, which is not included in ‘Thickness’ (C) and ‘Length through Hub’ (Y1), (Y3).2. For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.3. Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.4. The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree. To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (C).5. Dimensions of sizes 1/2 through 3 1/2 are the same as for Class 400 Flanges.6. Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.



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