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Large Diameter Hastelloy B3 WN BL Flanges 22" - 48" ASME B 16.47 Series A B

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Large Diameter Hastelloy B3 WN BL Flanges 22" - 48" ASME B 16.47 Series A B

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Brand Name :	HT
Model Number :	22"- 48" ASME B 16.47 Series A B Hastelloy B3 WN BL Nickel Alloy Flanges
Certification :	ISO9001
Price :	Negotiation
Payment Terms :	L/C,T/T, Western Union
Supply Ability :	1000 pcs per month
Delivery Time :	30-35 working days

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Large Diameter Hastelloy B3 WN BL Flanges 22" - 48" ASME B 16.47 Series A B

22"- 48" ASME B 16.47 Series A B Hastelloy B3 WN BL Nickel Alloy Flanges

I. General Introduction

ASME B16.47(Large Diameter Steel Flanges) is a standard for large diameter steel flanges sized from NPS 26 through NPS 60. The latest version provides dimensions and ratings in both metric and inch units. The ASME B16.47 inherently incorporate MSS SP-44: Steel Pipeline Flanges and API 605: Large Diameter Carbon Steel Flanges. Therefore, the MSS SP-44 flanges are designated as ASME B16.47 Series A flanges, while API 605 flanges are designated as ASME B16.47 Series B flanges within this standard. Materials covered in this standard are as that in ASME B16.5 except for nickel alloys which means they share the same pressure-temperature chart for the selection of flange materials.

II. The difference between ASME B16.47 Series A and Series B flanges

Generally speaking, ASME B16.47 Series A flanges are much thicker, heavier and stronger than Series B flanges in the same size and pressure rating thus can withstand more external loading than Series B type. Series B flanges need more but smaller fasteners(bolts & nuts) than Series A flanges and have a smaller bolt circle diameter than that of Series A flanges. The smaller the bolt circle diameter is, the less flange movement tends to occur. Both Series A and Series B define weld neck flanges and blind flanges in raised face type(RF) but only Sereis A defines ring type joint(RTJ) flanges from Class 300 through Class 900 within this standard. From a commercial point of view, ASME B16.47 Sereis A flanges are more expensive than Series B flanges. Most piping end users or designers may choose Series A flanges for the new pipeline or equipment. But if you are doing some refurbishment/replacement job or non-critical piping design, Series B flanges are more popular.

III. Drawing, Dimensions & Weight Chart of ASME B16.47 Flanges

Click each item in below chart to see the full details (technical drawing, dimensions and weights) of ASME B16.47 Series A and Series B flanges.

1.ASME B16.47 Series A(MSS SP-44) WN RF Flange 300LB

① Drawing of ASME B16.47 Series A(MSS SP-44) WN Flange RF 300LB

② Dimension & Weight of ASME B16.47 Series A(MSS SP-44) WN RF 300LB

Pipe

Flange Dimensions

Hub

Raised
Face

Bolting Dimensions

Approx.
Weight

Norm.
Size

OD
inch
mm

D
inch
mm

J
inch
mm

b
inch
mm

h
inch
mm

a
inch
mm

m
inch
mm

g
inch
mm

Bolt
Number

l
inch
mm

k
inch
mm

Pounds
Kilos

26"

26,0
660,4

38 1/4
971,5

3 1/8
79,4

7 1/4
184,1

28 3/8
720,7

29 1/2
749,3

1 3/4
44,4

34 1/2
876,3

28"

28,0
711,2

40 3/4
1035,0

3 1/8
85,7

7 3/4
196,8

30 1/2
774,7

31 1/2
800,1

1 3/4
44,4

37
839,8

30"

30,0
762,0

43 1092,2

3 5/8
92,1

8 1/4
209,5

32 9/16
827,1

33 3/4
857,2

1 7/8
47,6

39 1/4
996,9

32"

32,0
812,8

45 1/4
1149,3

3 7/8
98,4

8 3/4
222,2

34 11/16
881,1

36
914,4

2
50,8

41 1/2
1054,1

34"

34,0
863,6

47 1/2
1206,5

4
101,6

9 1/8
231,8

36 7/8
936,6

38
965,2

2
50,8

43 1/2
1104,9

36"

36,0
914,4

50
1270,0

4 1/8
104,8

9 1/2
241,3

39
990,6

40 1/4
1022,3

2 1/8
54

46
1168,4

38"

38,0
965,2

46
1168,4

4 1/4
107,9

7 1/8 180,9

39 1/8
993,7

40 1/2
1028,7

1 5/8
41,2

43
1092,2

40"

40,0
1016,0

48 3/4
1238,2

4 1/2
114,3

7 5/8
193,6

41 1/4
1047,7

42 3/4
1073,1

1 3/4
44,4

45 1/2
1155,7

42"

42,0
1066,8

50 3/4
1289,0

4 11/16
119,1

7 7/8
200,1

43 1/4
1098,5

44 3/4
1123,9

1 3/4
44,4

47 1/2
1206,5

44"

44,0
1117,6

53 1/4
1352,5

4 7/8
123,9

8 1/8 206,3

45 1/4
1149,3

47
1193,8

1 7/8
47,6

49 3/4
1263,6

46"

46,0
1168,4

55 3/4
1416,0

5 1/16
128,5

8 1/2
215,9

47 3/8
1203,4

49
1244,6

2
50,8

52
1320,8

48"

48,0
1219,2

57 3/4
1466,8

5 1/4
133,4

8 13/16
222,9

49 3/8
1254,1

51 1/4 1301,7

2
50,8

54
1371,6

50"

50,0
1270,0

60 1/4
1530,3

5 1/2
139,7

9 1/8
231,7

51 3/8
1304,9

53 1/2
1358,9

2 1/8
53,9

56 1/4
1428,7

52"

52,0
1320,8

62 1/4
1581,1

5 11/16
144,5

9 3/8
238,1

53 3/8
1355,7

55 1/2
1409,7

2 1/8
53,9

58 1/4
1479,5

54"

54,0
1371,6

65 1/4
1657,3

6
152,4

9 15/16
252,4

55 1/2
1409,7

57 3/4
1466,8

2 3/8
60,3

61
1549,4

56"

56,0
1422,4

67 1/4
1708,1

6 1/16
153,9

10 1/4
260,3

57 5/8
1463,6

59 3/4 1517,6

2 3/8
60,3

63
1600,2

58"

58,0
1473,2

69 1/4
1758,9

6 1/4
158,7

10 1/2
266,7

59 5/8
1514,4

62
1574,8

2 3/8
60,3

65
1651,0

60"

60,0
1524,0

71 1/4
1809,7

6 7/16
163,5

10 3/4
273,0

61 5/8
1565,2

64
1625,6

2 3/8
60,3

67
1701,8

2.ASME B16.47 Series B(API 605) WN RF Flange 300LB

① Drawing of ASME B16.47 Series B (API 605) WN RF Flanges Class 300

② Dimensions and Weight of ASME B16.47 Series B (API 605) WN RF 300LB

NPS	Flange Dimensions				Hub		RF	Drilling Dimensions			Weight
NPS	D inch mm	J inch mm	b inch mm	h inch mm	a inch mm	m inch mm	g inch mm	No. of Bolt Holes	l inch	k inch mm	Pounds Kilos
26"	34.12 865		3.44 87.4	5.63 143	26.19 665.2	27.62 702	29.00 737	32	1-3/8"	31.62 803.3	417.98 189.56
28"	36.25 920		3.44 87.4	5.81 148	28.19 716.0	29.75 756	31.00 787	36	1-3/8"	33.75 857.2	457.67 207.56
30"	39.00 990		3.63 92.1	6.16 156	30.25 768.4	32.00 813	33.25 845	36	1-1/2"	36.25 920.8	560.64 254.26
32"	41.50 1055		4.00 101.6	6.56 167	32.25 819.2	34.00 864	35.50 902	32	1-5/8"	38.50 977.9	684.72 310.53
34"	43.62 1110		4.00 101.6	6.75 171	34.25 870.0	36.12 918	37.50 953	36	1-5/8"	40.62 1031.9	736.43 333.98
36"	46.12 1170		4.00 101.6	7.06 179	36.25 920.8	38.00 965	39.75 1010	32	1-3/4"	42.88 1089.0	826.85 374.99
38"	48.12 1220		4.31 109.6	7.50 191	38.25 971.6	40.00 1016	41.75 1060	36	1-3/4"	44.88 1139.8	923.28 418.72
40"	50.12 1275		4.50 114.3	7.75 197	40.25 1022.4	42.00 1067	43.88 1114	40	1-3/4"	46.88 1190.6	998.56 452.86
42"	52.50 1335		4.63 117.5	8.00 203	42.31 1074.7	44.00 1118	46.00 1168	36	1-7/8"	49.00 1244.6	1121.13 508.45
44"	54.50 1385		4.94 125.50	8.38 213	44.31 1125.5	46.19 1173	48.00 1219	40	1-7/8"	51.00 1295.4	1234.60 559.91
46"	57.50 1460		5.00 127	8.69 221	46.31 1176.3	48.38 1229	50.00 1270	36	2"	53.75 1365.2	1303.04 590.95
48"	59.50 1510		5.00 127	8.75 222	48.31 1227.1	50.31 1278	52.25 1327	40	2"	55.75 1416.0	1495.41 678.19
50"	61.50 1560		5.38 136.6	9.19 233	50.31 1277.9	52.38 1330	54.25 1378	44	2"	57.75 1466.8	1650.93 748.72
52"	63.50 1615		5.56 141.3	9.50 241	52.31 1328.7	54.44 1383	56.25 1429	48	2"	59.75 1517.6	1759.88 798.13
54"	65.88 1675		5.32 135.0	9.38 238	54.31 1379.5	56.50 1435	58.25 148 0	48	2"	62.12 1578.0	1828.67 829.33
56"	69.50 1765		6.00 152.4	10.50 267	56.31 1430.3	58.81 1494	60.50 1537	36	2-3/8"	65.00 1651.0	2416.37 1095.86
58"	71.94 1825		6.00 152.4	10.75 273	58.31 1481.1	60.94 1548	62.75 1594	40	2-3/8"	67.44 1712.9	2601.86 1179.98
60"	73.94 1880		5.88 149.3	10.63 270	60.31 1531.9	62.94 1599	65.00 1651	40	2-3/8"	69.44 1763.7	2648.49 1201.13

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