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All kinds of specifications of steel flange such as Japanese standard, American standard,GB and so on.

Dimensions & Masses of ANSI B16.5 Plate Flange Class 150/300/600


ANSI, ASME, ASA, B16.5 150lb/sq.in. Plate Flange RF
ø D b g m J k Holes l Kg.
1/2" 88,9 11,1 34,9 30,2 22,3 60,3 4 15,9 0,400
3/4" 98,4 12,7 42,9 38,1 27,7 69,8 4 15,9 0,700
1" 107,9 14,3 50,8 49,2 34,5 79,4 4 15,9 0,800
1 1/4" 117,5 15,9 63,5 58,8 43,2 88,9 4 15,9 1,100
1 1/2" 127,0 17,5 73,0 65,1 49,5 98,4 4 15,9 1,400
2" 152,4 19,0 92,1 77,8 62,0 120,6 4 19,0 2,200
2 1/2" 177,8 22,2 104,8 90,5 74,7 139,7 4 19,0 3,600
3" 190,5 23,8 127,0 107,9 90,7 152,4 4 19,0 4,100
3 1/2" 215,9 23,8 139,7 122,2 103,4 177,8 8 19,0 5,200
4" 228,6 23,8 157,2 134,9 116,1 190,5 8 19,0 5,600
5" 254,0 23,8 185,7 163,6 143,8 215,9 8 22,2 6,300
6" 279,4 25,4 215,9 192,1 170,7 241,3 8 22,2 7,500
8" 342,9 28,6 269,9 246,1 221,5 298,4 8 22,2 12,600
10" 406,4 30,2 323,8 304,8 276,3 361,9 12 25,4 18,500
12" 482,6 31,7 381,0 365,1 327,1 431,8 12 25,5 28,000
14" 533,4 34,9 412,7 400,0 359,1 476,2 12 28,6 36,000
16" 596,9 36,5 469,9 457,2 410,5 539,7 16 28,6 46,000
18" 635,0 39,7 533,4 504,8 461,8 577,8 16 31,7 50,000
20" 698,5 42,9 584,2 558,8 513,1 635,0 20 31,7 64,000
22" 749,3 46,0 641,2 609,6 564,4 692,1 20 34,9 72,000
24" 812,8 47,6 692,1 663,6 615,9 749,3 20 34,9 89,000
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.

ANSI, ASME, ASA, B16.5 300lb/sq.in. Plate Flange RF
ø D b g m J k Holes l Kg.
1/2" 95,6 14,3 34,9 38,1 22,3 66,7 4 15,9 0,700
3/4" 117,5 15,9 42,9 47,6 27,7 82,5 4 19,0 1,100
1" 123,8 17,5 50,8 54,0 34,5 88,9 4 19,0 1,400
1 1/4" 133,3 19,0 63,5 63,5 43,2 98,4 4 19,0 1,800
1 1/2" 155,6 20,6 73,0 69,8 49,5 114,3 4 22,2 2,600
2" 165,1 22,2 92,1 84,1 62,0 127,0 8 19,0 3,400
2 1/2" 190,5 25,4 104,8 100,0 74,7 149,2 8 22,2 4,400
3" 209,5 28,6 127,0 117,5 90,7 168,3 8 22,2 6,100
3 1/2" 228,6 30,2 139,7 133,3 103,4 184,1 8 22,2 7,500
4" 254,0 31,7 157,2 146,0 116,1 200,0 8 22,2 10,100
5" 279,4 34,9 185,7 177,8 143,8 234,9 8 22,2 12,500
6" 317,5 36,5 215,9 206,4 170,7 269,9 12 22,2 14,100
8" 381,0 41,3 269,9 260,3 221,5 330,2 12 25,4 24,800
10" 444,5 47,6 323,8 320,7 276,3 387,3 16 28,6 37,100
12" 520,7 50,8 381,0 374,6 327,1 450,8 16 31,7 50,000
14" 584,2 54,0 412,7 425,4 359,1 514,3 20 31,7 70,000
16" 647,7 57,1 469,9 482,6 410,5 571,5 20 34,9 90,000
18" 711,2 60,3 533,4 533,4 461,8 628,6 24 34,9 112,000
20" 774,7 63,5 584,2 584,2 513,1 685,8 24 34,9 133,000
22" 838,2 66,7 641,2 641,2 564,4 742,9 24 41,3 197,000
24" 914,4 69,8 692,1 701,7 615,9 812,8 24 41,3 208,000
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.


ANSI, ASME, ASA, B16.5 600lb/sq.in. Plate Flange RF
ø D b g m J k Holes l Kg.
1/2" 95,2 14,3 34,9 38,1 22,3 66,7 4 15,9 0,800
3/4" 117,5 15,9 42,9 47,6 27,7 82,5 4 19,0 1,400
1" 123,8 17,5 50,8 54,0 34,5 88,9 4 19,0 1,600
1 1/4" 133,3 20,6 63,5 63,5 43,2 98,4 4 19,0 2,100
1 1/2" 155,6 22,2 73,0 69,8 49,5 114,3 4 22,2 3,100
2" 165,1 25,4 92,1 84,1 62,0 127,0 8 19,0 3,700
2 1/2" 190,5 28,6 104,8 100,0 74,7 149,2 8 22,2 5,400
3" 209,5 31,7 127,0 117,5 90,7 168,3 8 22,2 7,300
3 1/2" 228,6 34,9 139,7 133,3 103,4 184,1 8 25,4 8,900
4" 273,0 38,1 157,2 152,4 116,1 215,9 8 25,4 11,800
5" 330,2 44,4 185,7 188,9 143,8 266,7 8 28,6 24,500
6" 355,6 47,6 215,9 222,2 170,7 292,1 12 28,6 29,500
8" 419,1 55,6 269,9 273,0 221,5 349,2 12 31,7 43,000
10" 508,0 63,5 323,8 342,8 276,3 431,8 16 34,9 70,000
12" 558,8 66,7 381,0 400,0 327,1 488,9 20 34,9 86,000
14" 603,2 69,8 412,7 431,8 359,1 527,0 20 38,1 100,000
16" 685,8 76,2 469,9 495,3 410,5 603,2 20 41,3 142,000
18" 742,9 82,5 533,4 546,1 461,8 654,0 20 44,4 175,000
20" 812,8 88,9 584,2 609,6 513,1 723,9 24 44,4 232,000
22" 869,9 95,2 641,2 666,7 564,4 777,9 24 47,6 292,000
24" 939,8 101,6 692,1 717,5 615,9 838,2 24 50,8 330,000
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.


■ Features
 ● Production Capacity & Purchase Details

1. Supply Flange Dimension DN15 - DN2000 (1/2" - 80"), Forged Flange.
2. Material Carbon Steel: ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, A234 WPB, Q235B, 20#, 20Mn etc.
3. Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.
4. Flanges Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.
5. Monthly Output: 3000 tons per Month.
6. Delivery Terms: CIF, CFR, FOB, One 20GP Can Fill in Flanges within 18 - 27 tons.
7. Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.
8. Minimum Order Quantity: 1Ton or 100Pcs.
9. Sales Country and Region: More than 30 Countries and Areas.
10. Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Retested Certificate, Free Replacement Service.
11. Find More Requirements In Flanges Market.
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