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Whtat is Stainless Steel Blind Flange？
A Stainless Steel Blind Flange is a type of pipe flange that is used to shut off or block the end of a pipe or vessel. It is a solid disk or plate with a bolt hole in the center and a raised face on one side. The raised face creates a tight seal when the flange is attached to the end of a pipe or vessel using bolts. Blind flanges are typically used in piping systems where the end of a pipe needs to be blocked off for maintenance or safety purposes. They are popular in industries such as oil and gas, chemical, and pharmaceuticals because they offer a tight and secure seal that is resistant to corrosion and high temperatures. Stainless steel is a popular material choice for blind flanges because of its durability, resistance to corrosion, and ability to withstand high pressure and temperature environments.
Table of Content：
- Blind Flange Specifications
- Applicationsof Blind Flange
- Material & Grades of Blind Flanges (BLRF)
- Dimensions of Blind Flange
- Blind Flange Weight Chart
- Blind Flange Pressure Ratings
- ASME B16.5 Blind Flange Available Types
- Blind Flange Price List
Blind Flange Specifications
| Blind Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DA, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| ASME B16.5 Blind Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Blind Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Blind Flange |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Blind Flange |
| Most common types of Blind Flange | Forged / Threaded / Screwed / Plate |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Production technique | · Forged, Heat treated and machined |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Blind Flange Uses & application | · Bitumen upgraders.
· Heavy oil refineries. · Nuclear power (mostly seamless). · Petrochemicals and acids. |
Application of Blind Flange
- ANSI B16.5 Class 150 Blind Flange uses in Industrial Boilers Industry
- ASTM A182 Stainless Steel Blind Flange uses in Power Plants Industry
- ASME B16.47 Series A and B Blind Flange uses in Nuclear Plants Industry
- Stainless Steel Blind Flange uses in Oil & Gas Industry
- Super Duplex Steel Blind Flange uses in Refineries Industry
- Industrial Blind Flange uses in Ship Building Industry
- Super Duplex Steel Blind Flangea Forged Flange uses in Heat Exchanger Industry
- Carbon Steel Industrial Blind Flange uses in Condensers Industry
- Alloy Steel Industrial Blind Flange uses in Paper & Pulp Industry
- Duplex Steel Industrial Blind Flange uses in Marine Applications
- Stainless Steel Industrial Blind Flange uses in Nuclear Power Industry
- Industrial Blind Flangea / Fittings System uses in Fossil Fuel Power Plants Industry
Material & Grades of Blind Flanges (BLRF)
| Carbon Steel Blind Flange | ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DA 1.0402, DA 1.0460, DA 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80) |
| Stainless Steel Blind Flange | ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DA 1.4301, DA 1.4306, DA 1.4401, DA 1.4404, DA 1.4308, DA 1.4408, DA 1.4306, DA 1.4409 |
| Alloy Steel Blind Flange | ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91 |
| Titanium Blind Flange | ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5 |
| Copper Blind Flange | T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, eccetera |
| Copper Nickel Blind Flange | ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Brass Blind Flange | 3602 / 2604 / h39 / H62 / eccetera. |
| Inconel Blind Flange | ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 Flanges |
| Hastelloy Blind Flange | ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges |
| Monel Blind Flange | ASTM B564 / ASME SB564, Monel 400 (UNS n. N04400), Monel 500 (UNS n. N05500) |
| Lega 20 Blind Flange | ASTM B462 / ASME SB462, Carpenter® 20 Lega, Alloy 20Cb-3 |
| Aluminium Blind Flange | 5052 /6061/ 6063 / 2017 / 7075 / eccetera. |
| Nickel Blind Flange | ASTM B564 / ASME SB564, Nichel 200, Nichel 201, Nichel 205, Nickel 205LC |
| Duplex Blind Flange | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Super Duplex Blind Flange | S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Incoloy Blind Flange | ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flange |
| 254 Smo Blind Flange | ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DA 1.4547 |
| Nimonic Blind Flange | Nimonic 75, Nimonic 80A, Nimonic 90 |
| Other Blind Flange material | Tin bronze, Alumunum bronze, Lead bronze |
Dimensions of Blind Flange
Stainless steel Blind Flange Dimension drawing
| ANSI/ASME/ASA B16.5 150lb/sq.in. Flange BLIND-RF | |||||||
| ø | D | b | g | k | Holes | l | Kg. |
| 1/2″ | 88,9 | 11,1 | 34,9 | 60,3 | 4 | 15,9 | 0,400 |
| 3/4″ | 98,4 | 12,7 | 42,9 | 69,8 | 4 | 15,9 | 0,700 |
| 1″ | 107,9 | 14,3 | 50,8 | 79,4 | 4 | 15,9 | 0,900 |
| 1 1/4″ | 117,5 | 15,9 | 63,5 | 88,9 | 4 | 15,9 | 1,300 |
| 1 1/2″ | 127,0 | 17,5 | 73,0 | 98,4 | 4 | 15,9 | 1,600 |
| 2″ | 152,4 | 19,0 | 92,1 | 120,6 | 4 | 19,0 | 2,600 |
| 2 1/2″ | 177,8 | 22,2 | 104,8 | 139,4 | 4 | 19,0 | 4,100 |
| 3″ | 190,5 | 23,8 | 127,0 | 152,4 | 4 | 19,0 | 5,000 |
| 3 1/2″ | 215,9 | 23,8 | 139,7 | 177,8 | 8 | 19,0 | 6,400 |
| 4″ | 228,6 | 23,8 | 157,2 | 190,5 | 8 | 19,0 | 7,100 |
| 5″ | 254,0 | 23,8 | 185,7 | 215,9 | 8 | 22,2 | 9,000 |
| 6″ | 279,4 | 25,4 | 215,9 | 241,3 | 8 | 22,2 | 11,800 |
| 8″ | 342,9 | 28,6 | 269,9 | 298,4 | 8 | 22,2 | 21,000 |
| 10″ | 406,4 | 30,2 | 323,4 | 361,9 | 12 | 25,4 | 30,000 |
| 12″ | 482,6 | 31,7 | 381,0 | 431,8 | 12 | 25,4 | 45,000 |
| 14″ | 533,4 | 34,9 | 412,7 | 476,2 | 12 | 28,6 | 59,000 |
| 16″ | 596,9 | 36,5 | 469,9 | 539,9 | 16 | 28,6 | 79,000 |
| 18″ | 635,0 | 39,7 | 533,4 | 577,8 | 16 | 31,7 | 97,000 |
| 20″ | 698,5 | 42,9 | 584,2 | 635,0 | 20 | 31,7 | 124,000 |
| 22″ | 749,3 | 46,0 | 641,2 | 692,1 | 20 | 34,9 | 151,000 |
| 24″ | 812,8 | 47,6 | 692,1 | 749,3 | 20 | 34,9 | 188,000 |
| ANSI/ASME/ASA B16.5 300lb/sq.in. Flange BLIND-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 | 19,0 | 63,5 | 98,4 | 4 | 19,0 | 2,000 |
| 1 1/2″ | 155,6 | 20,6 | 73,0 | 114,3 | 4 | 22,2 | 2,900 |
| 2″ | 165,1 | 22,2 | 92,1 | 127,0 | 8 | 19,0 | 3,400 |
| 2 1/2″ | 190,5 | 25,4 | 104,8 | 149,2 | 8 | 22,2 | 5,100 |
| 3″ | 209,5 | 28,6 | 127,0 | 168,3 | 8 | 22,2 | 7,000 |
| 3 1/2″ | 228,6 | 30,2 | 139,7 | 184,1 | 8 | 22,2 | 8,900 |
| 4″ | 254,0 | 31,7 | 157,2 | 200,0 | 8 | 22,2 | 11,800 |
| 5″ | 279,4 | 34,9 | 185,7 | 234,9 | 8 | 22,2 | 15,500 |
| 6″ | 317,5 | 36,5 | 215,9 | 269,9 | 12 | 22,2 | 21,300 |
| 8″ | 381,0 | 41,3 | 269,9 | 330,2 | 12 | 25,4 | 35,200 |
| 10″ | 444,5 | 47,6 | 323,8 | 387,3 | 16 | 28,6 | 57,000 |
| 12″ | 520,7 | 50,8 | 381,0 | 450,8 | 16 | 31,7 | 82,000 |
| 14″ | 584,2 | 54,0 | 412,7 | 514,3 | 20 | 31,7 | 106,000 |
| 16″ | 647,7 | 57,1 | 469,9 | 571,5 | 20 | 34,9 | 140,000 |
| 18″ | 711,2 | 60,3 | 533,4 | 628,6 | 24 | 34,9 | 178,000 |
| 20″ | 774,7 | 63,5 | 584,2 | 685,8 | 24 | 34,9 | 223,000 |
| 22″ | 838,2 | 66,7 | 641,2 | 742,9 | 24 | 41,3 | 270,000 |
| 24″ | 914,4 | 69,8 | 692,1 | 812,8 | 24 | 41,3 | 345,000 |
| ANSI/ASME/ASA B16.5 600lb/sq.in. Flange BLIND-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 |
Dimensional Tolerances of Blind Flange ASME B16.5
| Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm |
Inside Diameter
not applicable |
| Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm |
Outside Diameter of Hub
≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm |
| Diameter of Counterbore
not applicable |
Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max. |
| Spessore
≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0 |
Length thru Hub
≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm |
Notes
- Dimensions are in millimeters unless otherwise indicated.
- The length of the stud bolt does not include the height of the chamfers (points).
Blind Flange Weight Chart
| Flange Weights by Pressure Class and Size | ||||||||||||||||||
| Pipe Size | 150 # | 300 # | 600 # | 900 # | 1500 # | 2500 # | ||||||||||||
| 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 | SEE 1500 # WEIGHTS | 5 | 4 | 4 | 7 | 7 | 7 | ||
| 3/4″ | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | SEE 1500 # WEIGHTS | 6 | 5 | 6 | 8 | 8 | 8 | ||
| 1″ | 3 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | SEE 1500 # WEIGHTS | 9 | 8 | 8 | 12 | 11 | 11 | ||
| 1 1/2″ | 4 | 3 | 3 | 7 | 6 | 6 | 8 | 7 | 8 | SEE 1500 # WEIGHTS | 13 | 12 | 13 | 25 | 22 | 23 | ||
| 2″ | 6 | 5 | 5 | 9 | 7 | 8 | 12 | 9 | 10 | SEE 1500 # WEIGHTS | 25 | 25 | 25 | 42 | 37 | 39 | ||
| 2 1/2″ | 8 | 7 | 7 | 12 | 10 | 12 | 18 | 13 | 15 | SEE 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 inch = 25.44 mm | • 1 mm = 0.03937 pollici | • 1 lb/ft^2 = 47.88 Pa | • 1 psi = 6.8948 Pa | • x°F = (5/9)(x-32)°C | |
| • 1 pound = 0.45359 Kg | • 1 Kg = 2.20462 pounds | • 1 Pa = 0.020885 lb/ft^2 | • 1 Pa = 0.00014504 psi | • x°C = (9/5)x + 32°F |
Blind Flange Pressure Ratings
| Pressure-Temperature Ratings for ASTM Group 2-1.1 Materiali
Working pressure by Classes, BAR |
|||||||
| Temp
-29 °C |
150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| 38 | 19.6 | 51.1 | 68.1 | 102.1 | 153.2 | 255.3 | 425.5 |
| 50 | 19.2 | 50.1 | 66.8 | 100.2 | 150.4 | 250.6 | 417.7 |
| 100 | 17.7 | 46.6 | 62.1 | 93.2 | 139.8 | 233 | 388.3 |
| 150 | 15.8 | 45.1 | 60.1 | 90.2 | 135.2 | 225.4 | 375.6 |
| 200 | 13.8 | 43.8 | 58.4 | 87.6 | 131.4 | 219 | 365 |
| 250 | 12.1 | 41.9 | 55.9 | 83.9 | 125.8 | 209.7 | 349.5 |
| 300 | 10.2 | 39.8 | 53.1 | 79.6 | 119.5 | 199.1 | 331.8 |
| 325 | 9.3 | 38.7 | 51.6 | 77.4 | 116.1 | 193.6 | 322.6 |
| 350 | 8.4 | 37.6 | 50.1 | 75.1 | 112.7 | 187.8 | 313 |
| 375 | 7.4 | 36.4 | 48.5 | 72.7 | 109.1 | 181.8 | 303.1 |
| 400 | 6.5 | 34.7 | 46.3 | 69.4 | 104.2 | 173.6 | 289.3 |
| 425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 143.8 | 239.7 |
| 450 | 4.6 | 23 | 30.7 | 46 | 69 | 115 | 191.7 |
| 475 | 3.7 | 17.4 | 23.2 | 34.9 | 52.3 | 87.2 | 145.3 |
| 500 | 2.8 | 11.8 | 15.7 | 23.5 | 35.3 | 58.8 | 97.9 |
| 538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
| Temp
°C |
150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| Pressure-Temperature Ratings for ASTM Group 2-2.3 Materiali
Working pressure by Classes, BAR |
|||||||
| Temp
-29 °C |
150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| 38 | 15.9 | 41.4 | 55.2 | 82.7 | 124.1 | 206.8 | 344.7 |
| 50 | 15.3 | 40 | 53.4 | 80 | 120.1 | 200.1 | 333.5 |
| 100 | 13.3 | 34.8 | 46.4 | 69.6 | 104.4 | 173.9 | 289.9 |
| 150 | 12 | 31.4 | 41.9 | 62.8 | 94.2 | 157 | 261.6 |
| 200 | 11.2 | 29.2 | 38.9 | 58.3 | 87.5 | 145.8 | 243 |
| 250 | 10.5 | 27.5 | 36.6 | 54.9 | 82.4 | 137.3 | 228.9 |
| 300 | 10 | 26.1 | 34.8 | 52.1 | 78.2 | 130.3 | 217.2 |
| 325 | 9.3 | 25.5 | 34 | 51 | 76.4 | 127.4 | 212.3 |
| 350 | 8.4 | 25.1 | 33.4 | 50.1 | 75.2 | 125.4 | 208.9 |
| 375 | 7.4 | 24.8 | 33 | 49.5 | 74.3 | 123.8 | 206.3 |
| 400 | 6.5 | 24.3 | 32.4 | 48.6 | 72.9 | 121.5 | 202.5 |
| 425 | 5.5 | 23.9 | 31.8 | 47.7 | 71.6 | 119.3 | 198.8 |
| 450 | 4.6 | 23.4 | 31.2 | 46.8 | 70.2 | 117.1 | 195.1 |
| Temp
°C |
150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
ASME B16.5 Blind Flange Available Types
| Blind Raised Face Flange Manufacturing Company | Raised Faced Blind Flange Manufacturers |
| ANSI B16.5 Blind Flange Manufacturing Company | Blind Flange Dimensions |
| ASME B16.5 Blind Flange Manufacturers | ANSI B16.5 Class 150 Blind Flange |
| Stainless Steel Blind Flange Suppliers | SS Blind Flange Manufacturing Company |
| Blind Plate Flange Dealer | ASME B16.47 Series A and B Blind Flange Exporter |
| ANSI B16.5 class 150 Blind Flange Stockholder | ANSI 150 Blind Flange Distributors |
| Carbon Steel Blind Flange Manufacturing Company | High Quality Blind Flange Manufacturer |
| ASTM A182 Stainless Steel Blind Flange | Duplex Steel Blind Flange Manufacturing Company |
| Super Duplex Steel Blind Forged Flange | Copper Nickel Blind Pipe Flange |
| High Nickel Alloy Blind Flange Manufacturers | Hastelloy Flat Faced Blind Flange Stockist |
| Titanium ASME B16.47 Series A and B Blind Flange | Inconel Blind Flange |
Blind Flange Price List
| Blind Flange type | Blind Flange Price in USD |
| Stainless Steel Blind Flange | USD $ 71.02 /Kg |
| Carbon steel Blind Flange | USD $27.80 /Kg |
| Alloy steel Blind Flange | USD $ 32.75 /Kg |
| ANSI b16 5 Blind Flange | USD $ 23.99 /Kg |
| ASME b16.47 Blind Flange | USD $ 60.62 /Kg |
