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Spade Blind Flanges

Manufacturer of Flat Faced Spade Blind Flanges, Ready Stock Of Raised Faced Spade Blind Flanges, EN1092-1 Spade Blind Flanges, Stainless Steel Spade Blind Flanges, ANSI B16.5 Class 150 Spade Blind Flanges, Inconel Spade Blind Flange Supplier in Mumbai.

Unifit Metal Alloys is a supplier of Spade Blind Pipe Flange, whichare extensively used in sectors like heat treatment and chemical manufacturing. Monel Alloy Spade Blind Flanges have similar corrosion resistance, better oxidation resistance, and retain a greater proportion of room temperature strength than typical austenitic alloys due to their high chromium and nickel contents.Its highest dry air operating temperature is 1100 degrees Celsius. Higher welding speed is required in this product to prevent overheating or burn-through of smaller sheets. This product is frequently used in chemical plants and machinery, such as fasteners for high-temperature work, muffles, heat exchangers, and components for high-temperature sulphur-bearing settings, and so on.It is also frequently used at cryogenic temps due to its high toughness and limited magnetic leakage.

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Table of Content

ANSI B16.5 Spade Blind Flanges, Inconel Raised Face Spade Blind Flange, Alloy 20 Spade Blind Flanges, Nickel Alloy Spade Blind Plate Flanges, ASTM A182 SS Spade Blind Flange, Flat Faced Spade Blind Flanges, Carbon Steel Spade Blind Flange, API 6A Spade Blind Flange Manufacturer In Mumbai, India.

Because it is not recommended for the extreme thermal shock of repetitive liquid quenching, Hastelloy Alloy Spade Blind Flanges is required for the more seriously carburizing atmospheres of industrial heat treating furnaces. Overall, it is an excellent option for a wide range of uses, from furnace components to flame tips. They are widely used in all high-temperature settings that require scaling and corrosion resistance, as well as high temperature strength and excellent creep resistance. Higher alloyed steels, such as this one, have excellent strength at high temps as well as exceptional resilience to creep deformation and environmental assault. It renders them extremely immune to oxidation and corrosion, as well as less susceptible to embrittlement and sensitisation in operation.

Nickel Alloy Spade Blind Flanges is typically used in more serious carburizing atmospheres of thermal process equipment, but it can also be used in mildly oxidizing, nit riding, cementing, and thermal cycling applications, though the maximum operating temperature must be lowered.Copper back-up plates for quicker heat rejection are effective in this steel, but surface-fusing the copper back-up plate is not permitted to prevent cracks in the solder metal. Oven linings, boiler dividers, kilns, lead pots, radiating tubes, annealing covers, staggers, burners, combustion tubes, refractory anchor bolts, fire box sheets, furnace components, and other high temperature receptacles are common applications.

Spade Blind Flanges

Get a best quote for SS Spade Blind Flanges, We Keep Bulk Stock of Raised Face Spade Blind Flanges at our stockyard, contact us to request a quote.

Spade Blind Flanges Specifications

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ASME Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ASME B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most Common Types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
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
Special design

As per your drawing
AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Spade Blind Configurations
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
Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of

ASME DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ANSI B16.5 Class 150 Spade Blind Flanges: -BS Flange, EN Flange, API 6A Flanges, ASME Flanges, ASME Flanges, DIN Flanges, EN1092-1 Flanges, UNI Flanges, JIS/ KS Flanges, BS4504 Flanges, GB Flanges, AWWA C207 Flanges, GOST Flanges, PSI Flangse

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ASME B16.5, ASME B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ASME : ASME B16.5, ASME B16.47(API605), MSS SP44, ASME B16.5, ASME B16.48
  • ASME B16.5, ASME B16.47, MSS SP44, ASME B16.5, ASME B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ANSI B16.5 Class 150 Spade Blind Flanges
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Uses & Application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.

Material Grades of Spade Blind Flanges

Stainless Steel Spade Blind Flanges ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
Carbon Steel Spade Blind Flanges ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 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)
Alloy Steel Spade Blind Flanges ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Titanium Spade Blind Flanges 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 Spade Blind Flanges 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, etc
Copper Nickel Spade Blind Flanges ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Inconel Spade Blind Flanges ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 ANSI B16.5 Class 150 Spade Blind Flanges
Hastelloy Spade Blind Flanges ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Monel Spade Blind Flanges ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 Spade Blind Flanges ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Aluminium Spade Blind Flanges 5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Alloy Spade Blind Flanges ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Duplex Steel Spade Blind Flanges S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Spade Blind Flanges S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy Spade Blind Flanges ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
254 SMO Spade Blind Flanges ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Nimonic Spade Blind Flanges Nimonic 75, Nimonic 80A, Nimonic 90
Brass Spade Blind Flanges 3602 / 2604 / H59 / H62 / etc.
Other Spade Blind Flanges material Tin bronze, Alumunum bronze, Lead bronze

Dimensions of Spade Blind Flanges

ANSI/ASME/ASA B16.5 150lb/sq.in. Flanges
ø D b g m J h k Holes l Kg.
1/2" 88,9 11,1 34,9 30,2 22,3 15,9 60,3 4 15,9 0,400
3/4" 98,4 12,7 42,9 38,1 27,7 15,9 69,8 4 15,9 0,700
1" 107,9 14,3 50,8 49,2 34,5 17,5 79,4 4 15,9 0,800
1 1/4" 117,5 15,9 63,5 58,8 43,2 20,6 88,9 4 15,9 1,100
1 1/2" 127,0 17,5 73,0 65,1 49,5 22,2 98,4 4 15,9 1,400
2" 152,4 19,0 92,1 77,8 62,0 25,4 120,6 4 19,0 2,200
2 1/2" 177,8 22,2 104,8 90,5 74,7 28,6 139,7 4 19,0 3,600
3" 190,5 23,8 127,0 107,9 90,7 30,2 152,4 4 19,0 4,100
3 1/2" 215,9 23,8 139,7 122,2 103,4 31,7 177,8 8 19,0 5,200
4" 228,6 23,8 157,2 134,9 116,1 33,3 190,5 8 19,0 5,600
5" 254,0 23,8 185,7 163,6 143,8 36,5 215,9 8 22,2 6,300
6" 279,4 25,4 215,9 192,1 170,7 39,7 241,3 8 22,2 7,500
8" 342,9 28,6 269,9 246,1 221,5 44,4 298,4 8 22,2 12,600
10" 406,4 30,2 323,8 304,8 276,3 49,2 361,9 12 25,4 18,500
12" 482,6 31,7 381,0 365,1 327,1 55,6 431,8 12 25,5 28,000
14" 533,4 34,9 412,7 400,0 359,1 57,1 476,2 12 28,6 36,000
16" 596,9 36,5 469,9 457,2 410,5 63,5 539,7 16 28,6 46,000
18" 635,0 39,7 533,4 504,8 461,8 68,3 577,8 16 31,7 50,000
20" 698,5 42,9 584,2 558,8 513,1 73,0 635,0 20 31,7 64,000
22" 749,3 46,0 641,2 609,6 564,4 79,4 692,1 20 34,9 72,000
24" 812,8 47,6 692,1 663,6 615,9 82,5 749,3 20 34,9 89,000
ANSI/ASME/ASA B16.5 600lb/sq.in. Flanges
ø D b g m J h k Holes l Kg.
1/2" 95,2 14,3 34,9 38,1 22,3 22,2 66,7 4 15,9 0,800
3/4" 117,5 15,9 42,9 47,6 27,7 25,4 82,5 4 19,0 1,400
1" 123,8 17,5 50,8 54,0 34,5 27,0 88,9 4 19,0 1,600
1 1/4" 133,3 20,6 63,5 63,5 43,2 28,6 98,4 4 19,0 2,100
1 1/2" 155,6 22,2 73,0 69,8 49,5 31,7 114,3 4 22,2 3,100
2" 165,1 25,4 92,1 84,1 62,0 36,5 127,0 8 19,0 3,700
2 1/2" 190,5 28,6 104,8 100,0 74,7 41,3 149,2 8 22,2 5,400
3" 209,5 31,7 127,0 117,5 90,7 46,0 168,3 8 22,2 7,300
3 1/2" 228,6 34,9 139,7 133,3 103,4 49,2 184,1 8 25,4 8,900
4" 273,0 38,1 157,2 152,4 116,1 54,0 215,9 8 25,4 11,800
5" 330,2 44,4 185,7 188,9 143,8 60,3 266,7 8 28,6 24,500
6" 355,6 47,6 215,9 222,2 170,7 66,7 292,1 12 28,6 29,500
8" 419,1 55,6 269,9 273,0 221,5 76,2 349,2 12 31,7 43,000
10" 508,0 63,5 323,8 342,8 276,3 85,7 431,8 16 34,9 70,000
12" 558,8 66,7 381,0 400,0 327,1 92,1 488,9 20 34,9 86,000
14" 603,2 69,8 412,7 431,8 359,1 93,7 527,0 20 38,1 100,000
16" 685,8 76,2 469,9 495,3 410,5 106,4 603,2 20 41,3 142,000
18" 742,9 82,5 533,4 546,1 461,8 117,5 654,0 20 44,4 175,000
20" 812,8 88,9 584,2 609,6 513,1 127,0 723,9 24 44,4 232,000
22" 869,9 95,2 641,2 666,7 564,4 133,3 777,9 24 47,6 292,000
24" 939,8 101,6 692,1 717,5 615,9 139,7 838,2 24 50,8 330,000

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ASME B16.5 Spade Blind Flange Weight Chart

Rated Diameter O.D. of Pipe Flange Parameter Neck Size Size of R.F. Bolts Approx. Weight
DN d1 D d5 b k h d3 r d4 f No. of
holes		 d2 KG
10 17.2 90 17.7 14 60 20 30 4 40 2 4 14 0.56
15 21.3 95 22 14 65 20 35 4 45 2 4 14 0.62
20 26.9 105 27.6 16 75 24 45 4 58 2 4 14 0.91
25 33.7 115 34.4 16 85 24 52 5 68 2 4 14 1.09
32 42.4 140 43.1 16 100 26 60 5 78 2 4 18 1.58
40 48.3 150 49 16 110 26 70 5 88 3 4 18 1.76
50 60.3 165 61.1 18 125 28 85 5 102 3 4 18 2.39
65 76.1 185 77.1 18 145 32 105 5 122 3 4 18 3.1
80 88.9 200 90.3 20 160 34 118 5 138 3 8 18 3.77
100 114.3 220 115.9 20 180 38 140 5 158 3 8 18 4.29
125 139.7 250 141.6 22 210 40 168 5 188 3 8 18 5.86
150 168.3 285 170.5 22 240 44 196 5 212 3 8 22 7.22
175 193.7 315 196.1 24 270 44 224 6 242 3 8 22 9.18
200 219.4 340 222 24 295 44 247 6 268 3 8 22 9.95
250 273 395 276 26 350 46 300 6 320 3 12 22 12.69
300 323.9 445 327 26 400 46 352 6 370 4 12 22 14.4
350 355.6 505 359 26 460 53 398 10 430 4 16 22 22.36
400 406.4 565 410 26 515 57 448 10 482 4 16 26 26.85
450 457 615 461 28 565 62 502 10 532 4 20 26 32.53
500 508 670 512 28 620 67 552 10 585 4 20 26 37.84
600 610 780 614 28 725 75 658 10 685 5 20 30 49.32
700 711 895 716 30 840 77 760 10 800 5 24 30 63.86
800 813 1015 818 32 950 84 864 10 905 5 24 33 85.19
900 914 1115 920 34 1050 88 969 10 1005 5 28 33 101.4
1000 1016 1230 1022 34 1160 92 1071 10 1110 5 28 36 119.7

Ready Stock of Spade Blind Flanges

  • ANSI B16.5 Class 150 Spade Blind Flanges
  • DIN-PN16 Steel Spade Blind Flanges
  • Super Duplex Steel Spade Blind Flange
  • Carbon Steel Spade Blind Flanges
  • Copper Nickel Spade Blind Pipe Flanges
  • Spade Blind Plate Flanges
  • Stainless Steel Spade Blind Flanges
  • SS Spade Blind Flange
  • Hastelloy Flat Faced Spade Blind Flanges
  • Duplex Steel Raised Face Spade Blind Flanges
  • High Quality Spade Blind Flange
  • ASTM A182 Stainless Steel Spade Blind Flange

  • Class 600 Spade Blind Flange Stockist
  • Titanium Spade Blind Flanges
  • Duplex Steel 2205 Spade Blind Flange
  • Spade Blind Plate Flanges
  • 254 SMO Spade Blind Flange Supplier
  • ANSI B16.5 class 150 Spade Blind Flange
  • High Nickel Alloy Spade Blind Flanges
  • Hastelloy Spade Blind Raised Face Flanges
  • Alloy 20 Spade Blind Flanges
  • Class 150 Spade Blind Flange
  • Super Duplex 2507 Spade Blind Flanges
  • ANSI B16.5 Spade Blind Flange

Spade Blind Flanges Application Industries

Application Industries

Refineries

90%

Oil and Gas Industry

96%

Power Generation

80%

Pharmaceutical Equipment

85%

Pulp & Paper Industry

88%