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ASME B16.5 Stainless Steel Blind Flange Dimensions In Class 150 To 2500

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ASME B16.5 Blind Flange
ASME B16.5 Blind Flange
ANSI B16.5 Stainless Steel Blind Flange
ANSI B16.5 Stainless Steel Blind Flange
ASTM A105 Carbon Steel Flange BLRF
ASTM A105 Carbon Steel Flange BLRF


ASME B16.5 Blind Flange Dimensions In MM


ASME B16.5 Blind Flange Dimensions In MM

Class 150 Blind Flange Dimensions


NPS "A"
(Outer Diameter)		 "B"
(Thickness)		 "C"
(RF Diameter.)		 "D"
(B.C.D.)		 # Bolt
Holes		 Dia. of
Bolt Holes		 Approx.
Weight
1/2" 3-1/2 7/16 1-3/8 2-3/8 4 5/8 2
3/4" 3-7/8 1/2 1-11/16 2-3/4 4 5/8 2
1" 4-1/4 9/16 2 3-1/8 4 5/8 2
1-1/4" 4-5/8 5/8 2-1/2 3-1/2 4 5/8 3
1-1/2" 5 11/16 2-7/8 3-7/8 4 5/8 3
2" 6 3/4 3-5/8 4-3/4 4 3/4 4
2-1/2" 7 7/8 4-1/8 5-1/2 4 3/4 7
3" 7-1/2 15/16 5 6 4 3/4 9
3-1/2" 8-1/2 15/16 5-1/2 7 8 3/4 13
4" 9 15/16 6-3/16 7-1/2 8 3/4 17
5" 10 15/16 7-5/16 8-1/2 8 7/8 20
6" 11 1 8-1/2 9-1/2 8 7/8 27
8" 13-1/2 1-1/8 10-5/8 11-3/4 8 7/8 47
10" 16 1-3/16 12-3/4 14-1/4 12 1 67
12" 19 1-1/4 15 17 12 1 123
14" 21 1-3/8 16-1/4 18-3/4 12 1-1/8 139
16" 23-1/2 1-7/16 18-1/2 21-1/4 16 1-1/8 187
18" 25 1-9/16 21 22-3/4 16 1-1/4 217
20" 27-1/2 1-11/16 23 25 20 1-1/4 283
24" 32 1-7/8 27-1/4 29-1/2 20 1-3/8 415

Carbon Steel Flange BLRF Specification


Specification : ASME B16.5 Blind Flange
Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc
Production Process: Forged, Heat Treated and Machined
Design For Size: ASA, ASME, DIN, PN, JIS, ANSI, BS, EN
ASME B16.5 Application: Oil And Gas Industry
Chemical Industry
Natural Gas Industry
Water Pipeline Industry
Fabrication Industry
Nuclear Power Plant
Connect Type Type: RF, FF, RTJ, LMF, SMF, LJF.
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Coating Faces : Yellow Transparent, Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated
ASA Flange Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Standards : ASME B16.5, ASME B16.47 (Series A, Series B), ASME B16.38, EN-1092, BS10, DIN, PN, JIS, ISO, GOST, UNI, AWWA, MSS SP44.

Pressure Ratings Of Threaded Blind Flange


Pressure Ratings Of ASME B16.5 Blind Flange With Weight and Size
NPS 150 LBS 300 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS
WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD
1/2" 2 1 1 2 1 1 2 2 2 1500 # WEIGHTS 5 4 4 7 7 7
3/4" 2 2 2 3 3 3 4 3 3 1500 # WEIGHTS 6 5 6 8 8 8
1" 3 2 2 4 3 3 4 4 4 1500 # WEIGHTS 9 8 8 12 11 11
1 1/2" 4 3 3 7 6 6 8 7 8 1500 # WEIGHTS 13 12 13 25 22 23
2" 6 5 5 9 7 8 12 9 10 1500 # WEIGHTS 25 25 25 42 37 39
2 1/2" 8 7 7 12 10 12 18 13 15 1500 # WEIGHTS 36 36 35 52 55 56
3" 10 8 9 15 13 16 23 16 20 31 26 29 48 48 48 94 83 86
4" 15 13 17 25 22 27 42 37 41 53 53 54 73 73 73 145 125 130
5" 19 15 20 32 28 35 68 63 68 86 83 87 130 130 140 245 210 225
6" 24 19 26 42 39 50 81 80 86 110 110 115 165 165 160 380 325 345
8" 39 30 45 67 58 81 120 115 140 175 170 200 275 260 300 580 485 530
10" 52 43 70 91 81 124 190 170 230 260 245 290 455 435 510 1075 930 1025
12" 80 64 110 140 115 185 225 200 295 325 325 415 690 580 690 1525 1100 1300
14" 110 90 140 180 165 250 280 230 355 400 400 520 940 NA 975 NA NA NA
16" 140 98 180 250 190 295 390 330 495 495 425 600 1250 NA 1300 NA NA NA
18" 150 130 220 320 250 395 475 400 630 680 600 850 1625 NA 1750 NA NA NA
20" 180 165 285 400 315 505 590 510 810 830 730 1075 2050 NA 2225 NA NA NA
22" 225 185 355 465 370 640 720 590 1000 NA NA NA NA NA NA NA NA NA
24" 260 220 430 580 475 790 830 730 1250 1500 1400 2025 3325 NA 3625 NA NA NA


Conversion Data
• 1 in. = 25.44 millimeter • 1 millimeter = 0.03937 in. • 1 lb/ft^2 = 47.88 Pa • 1 psi = 6.8948 Pa • x°F = (5/9)(x-32)°C
• 1 pound = 0.45359 Kilogram • 1 Kilogram = 2.20462 pounds • 1 Pa = 0.020885 lb/ft^2 • 1 Pa = 0.00014504 psi • x°C = (9/5)x + 32°F


Stainless Steel Blind Flange Types


150# BLRF 2 304 Blind Pipe Flanges

150# BLRF 2 304 Blind Pipe Flange

BS4504 304 Stainless Steel Raised Face Blind Flange

BS4504 304 Stainless Steel Raised Face Blind Flange

ANSI B16.5 Rating Class 150 Rf Blind Flange

ANSI B16.5 Rating Class 150 Rf Blind Flange

BS4504 ISO 9001 Standard Threaded Blind Flange

BS4504 ISO 9001 Standard Threaded Blind Flange

ASTM 8' 600LB SCH40S Ductile Iron Blind Flange

ASTM 8' 600LB SCH40S Ductile Iron Blind Flange

Forged Carbon Steel 6 Inch Blind Flange

Forged Carbon Steel 6 Inch Blind Flange

ANSI B16.5 300LBS A105 Flat Face Blind Flange

ANSI B16.5 300LBS A105 Flat Face Blind Flange

2 inch 900# Table E Blind Flange

2 inch 900# Table E Blind Flange

2 Inch To 24 Inch Aluminum Blind Flange

2 Inch To 24 Inch Aluminum Blind Flange

1/2 in. 300# A105 Grooved Blrf Flange

1/2 in. 300# A105 Grooved Blrf Flange

High Pressure ASTM A105 Din 50 High Hub Blind Flange

High Pressure ASTM A105 Din 50 High Hub Blind Flange

Low Temp 1 1/2 Rf 600# Copper Blind Flange

Low Temp 1 1/2 Rf 600# Copper Blind Flange


EN 1092 300# Blind Flange Dimensions


NPS "A"
(Outer Diameter)		 "B"
(Thickness)		 "C"
(RF Diameter.)		 "D"
(B.C.D.)		 # Bolt
Holes		 Diameter of
Bolt Holes		 Approx.
Weight
1/2" 3-3/4 9/16 1-3/8 2-5/8 4 5/8 2
3/4" 4-5/8 5/8 1-11/16 3-1/4 4 3/4 3
1" 4-7/8 11/16 2 3-1/2 4 3/4 4
1-1/4" 5-1/4 3/4 2-1/2 3-7/8 4 3/4 6
1-1/2" 6-1/8 13/16 2-7/8 4-1/2 4 7/8 7
2" 6-1/2 7/8 3-5/8 5 8 3/4 8
2-1/2" 7-1/2 1 4-1/8 5-7/8 8 7/8 12
3" 8-1/4 1-1/8 5 6-5/8 8 7/8 16
3-1/2" 9 1-3/16 5-1/2 7-1/4 8 7/8 21
4" 10 1-1/4 6-3/16 7-7/8 8 7/8 28
5" 11 1-3/8 7-5/16 9-1/4 8 7/8 37
6" 12-1/2 1-7/16 8-1/2 10-5/8 12 7/8 48
8" 15 1-5/8 10-5/8 13 12 1 79
10" 17-1/2 1-7/8 12-3/4 15-1/4 16 1-1/8 122
12" 20-1/2 2 15 17-3/4 16 1-1/4 183
14" 23 2-1/8 16-1/4 20-1/4 20 1-1/4 241
16" 25-1/2 2-1/4 18-1/2 22-1/2 20 1-3/8 315
18" 28 2-3/8 21 24-3/4 24 1-3/8 414
20" 30-1/2 2-1/2 23 27 24 1-3/8 515
24" 36 2-3/4 27-1/4 32 24 1-5/8 800

DN15-1200 Class 600 Blind Flange Dimensions


ASME/ ANSI / ASA B16.5 Class 600 Blind Flange-RF
ø D b g k Holes l Kg.
1/2" 95,2 14,3 34,9 66,7 4 15,9 0,700
3/4" 117,5 15,9 42,9 82,5 4 19,0 1,200
1" 123,8 17,5 50,8 88,9 4 19,0 1,500
1 1/4" 133,3 20,6 63,5 98,4 4 19,0 2,000
1 1/2" 155,6 22,2 73,0 114,3 4 22,2 3,200
2" 165,1 25,4 92,1 127,0 8 19,0 4,300
2 1/2" 190,5 28,6 104,8 149,2 8 22,2 6,000
3" 209,5 31,7 127,0 168,3 8 22,2 8,000
3 1/2" 228,6 34,9 139,7 184,1 8 25,4 10,500
4" 273,0 38,1 157,2 215,9 8 25,4 18,000
5" 330,2 44,4 185,7 266,7 8 28,6 28,500
6" 355,6 47,6 215,9 292,1 12 28,6 35,500
8" 419,1 55,6 269,9 349,2 12 31,7 58,000
10" 508,0 63,5 323,8 431,8 16 34,9 98,000
12" 558,8 66,7 381,0 488,9 20 34,9 125,000
14" 603,2 69,8 412,7 527,0 20 38,1 151,000
16" 685,8 76,2 469,9 603,2 20 41,3 215,000
18" 742,9 82,5 533,4 654,0 20 44,4 287,000
20" 812,8 88,9 584,2 723,9 24 44,4 366,000
22" 869,9 95,2 641,2 777,9 24 47,6 437,000
24" 939,8 101,6 692,1 838,2 24 50,8 532,000

Rtj Blind Flange Dimensions 1500


Pipe Normal Diameter. Outer Diameter Flange Thickness Of Flange Min Diameter of Hub Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Diameter of Bolts(in.) Approx. Weight
in. dn O C X BC BH BN BD KG/PCS LB/PCS
1/2 15 120.7 22.4 38.1 82.6 22.4 4 3/4 1.9 4.2
3/4 20 130 25.4 44.5 88.9 22.4 4 3/4 2.7 6
1 25 149.4 28.4 52.3 101.6 25.4 4 7/8 3.7 8.1
1-1/4 32 158.8 28.4 63.5 111.3 25.4 4 7/8 4.3 9.5
1-1/2 40 177.8 31.8 69.9 124 28.4 4 1 5.9 13
2 50 215.9 38.1 104.6 165.1 25.4 8 7/8 11.3 24.9
2-1/2 65 244.3 41.1 124 190.5 28.4 8 1 16 35.2
3 80 266.7 47.8 133.4 190.5 25.4 8 7/8 19.5 43
4 100 311.2 53.8 162.1 235 31.8 8 1 1/8 33 72.8
5 125 374.7 73.2 196.9 279.4 35.1 8 1 1/4 60 132
6 150 393.7 82.6 228.6 317.5 31.8 12 1 1/8 75 165
8 200 482.6 91.9 292.1 393.7 38.1 12 1 3/8 125 275
10 250 584.2 108 368.3 469.9 38.1 16 1 3/8 215 474
12 300 673.1 124 450.9 533.4 38.1 20 1 3/8 316 697
14 350 749.3 133.4 495.3 558.8 41.1 20 1 1/2
16 400 825.5 146.1 552.5 616 44.5 20 1 5/8
18 450 914.4 162.1 596.9 685.8 50.8 20 1 7/8
20 500 984.3 177.8 641.4 749.3 53.8 20 2
24 600 1168.4 203.2 762 901.7 66.5 20 2 1/2

MSS SP-44 2500LBS Blind Flanges Dimensions


Pipe Normal Diameter Outer Diameter Flange Thk. Of Flange Min Diameter of Bolt Circle Diameterof Bolt Holes Num. of Bolts Diameter of Bolts(inch) Kilogram LB
in. dn O C BC BH BN BD
1/2 15 133.4 30.2 88.9 22.4 4 3/4 3 7
3/4 20 139.7 31.8 95.3 22.4 4 3/4 4.5 10
1 25 158.8 35.1 108 25.4 4 7/8 5 12
1-1/4 32 184.2 38.1 130 28.4 4 1 8 18
1-1/2 40 203.2 44.5 146.1 31.8 4 1 1/8 11 25
2 50 235 50.8 171.5 28.4 8 1 17 38
2-1/2 65 266.7 57.2 196.9 31.8 8 1 1/8 25 55
3 80 304.8 66.5 228.6 35.1 8 1 1/4 39 86
4 100 355.6 76.2 273.1 41.1 8 1 1/2 60 133
5 125 419.1 91.9 323.9 47.8 8 1 3/4 101 223
6 150 482.6 108 368.3 53.8 8 2 156 345
8 200 552.5 127 438.2 53.8 12 2 242 533
10 250 673.1 165.1 539.8 66.5 12 2 1/2 465 1023
12 300 762 184.2 619.3 73.2 12 2 3/4 665 1463