Ace Alloys LLP

Stainless Steel Blind Flanges

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  3. Stainless Steel Blind Flanges

Stainless Steel Blind Flanges

ANSI B 16.5, ASME B 16.47 Stainless Steel Blind Flange, ASTM A182 SS Blind Flanges, SS Raised Face Blind Flanges, MSS SP44 Stainless Steel BLRF Flanges Stockist & Exporter

Manufacturer & Supplier of Stainless Steel 304 Blind Flange, SS 316 Blind Flange, SS UNS S30400/ S31600 Blind Flanges, Stainless Steel Werkstoff Nr. 1.4301 / 1.4401 Blind Pipe Flanges in India

We ACE ALLOYS LLP are a highly acclaimed company, specialized in manufacturing and supplying premium quality Stainless Steel Blind Flanges which used to cover or close the end of a pipe in a piping system. Our blind flange is made up of supreme stainless steel material that is durable and long-lasting which makes it more suitable for high temperature and pressure applications.

Stainless Steel Blind Flanges
Stainless Steel Blind Flanges

Our highly qualified professionals produce a wide range of Stainless steel blind flange in accordance with ASTM.182, ANSI B16.5.  We offer these Raised Face Steel Bind Flanges or Stainless Steel BLRF Flanges in all major grades like 304, 304L, 316, 316L and many more.

We offer this blind flange after testing its strength and hardness. These products are being most selling and widely used over the national and international industrial platforms. These flanges are typically available in shapes like raised face, flat face, or RTJ face.

At Ace Alloys, we are dedicated to providing the best in class blind flanges that have a high level of endurance, are very flexible, resistant to heat and reliable in the industrial market. Get in touch with us to request a quote for bling flanges!

Stainless Steel Blind Flanges Availability:


Stainless Steel Blind Flanges Specifications:

Standards ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size 1/2" NB TO 48" NB
Designation A 182 / A 240, SA 182 / SA 240
Class 150#, 300#, 400#, 600#, 900#, 1500# & 2500#.
Grade ASTM A182 F304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L ETC.

Available Grades of ANSI 16.5 Stainless Steel Blind Flanges
ASTM A182 Stainless Steel Blind Flanges Equivalent Grades
STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10
SS 316 1.4401 S31600 SUS 316 316S31 - Z7CND17‐11‐02 X5CrNiMo17-12-2
Stainless Steel 304 / 316 Blind Flanges Chemical Composition
Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.040 max 0.030 max 18 – 20 – 8 – 11
SS 316 0.08 max 2 max 0.75 max 0.045 max 0.030 max 16 – 18 2 – 3 10 – 14 0.1 max
Stainless Steel S30400 / S31600 Blind Flanges Mechanical & Physical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Blind Flange Dimensions – Stainless Steel Class 150 to Class 2500

Blind Flange Dimension

Stainless Steel Class 150 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 90 9.6 34.9 2 60.3 4 1/2 50 55 5/8 M14 0.9
3/4 20 100 11.2 42.9 2 69.9 4 1/2 50 65 5/8 M14 0.9
1 25 110 12.7 50.8 2 79.4 4 1/2 55 65 5/8 M14 0.9
1 1/4 32 115 14.3 63.5 2 88.9 4 1/2 55 70 5/8 M14 1.4
1 1/2 40 125 15.9 73 2 98.4 4 1/2 65 70 5/8 M14 1.8
2 50 150 17.5 92.1 2 120.7 4 5/8 70 85 3/4 M16 2.3
2 1/2 65 180 20.7 104.8 2 139.7 4 5/8 75 90 3/4 M16 3.2
3 80 190 22.3 127 2 152.4 4 5/8 75 90 3/4 M16 4.1
3 1/2 90 215 22.3 139.7 2 177.8 8 5/8 75 90 3/4 M16 5.9
4 100 230 22.3 157.2 2 190.5 8 5/8 75 90 3/4 M16 7.7
5 125 255 22.3 185.7 2 215.9 8 3/4 85 95 7/8 M20 9.1
6 150 280 23.9 215.9 2 241.3 8 3/4 85 100 7/8 M20 11.8
8 200 345 27 269.9 2 298.5 8 3/4 90 110 7/8 M20 20.5
10 250 405 28.6 323.8 2 362 12 7/8 100 115 1 M24 32
12 300 485 30.2 381 2 431.8 12 7/8 100 120 1 M24 50
14 350 535 33.4 412.8 2 476.3 12 1 115 135 1 1/8 M27 64
16 400 595 35 469.9 2 539.8 16 1 115 135 1 1/8 M27 82
18 450 635 38.1 533.4 2 577.9 16 1 1/8 125 145 1 1/4 M30 100
20 500 700 41.3 584.2 2 635 20 1 1/8 140 160 1 1/4 M30 130
24 600 815 46.1 692.2 2 749.3 20 1 1/4 150 170 1 3/8 M33 196

Stainless Steel Class 300 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 95 12.7 34.9 2 66.7 4 1/2 55 65 5/8 M14 1.4
3/4 20 115 14.3 42.9 2 82.6 4 5/8 65 75 3/4 M16 1.4
1 25 125 15.9 50.8 2 88.9 4 5/8 65 75 3/4 M16 1.4
1 1/4 32 135 17.5 63.5 2 98.4 4 5/8 70 85 3/4 M16 1.8
1 1/2 40 155 19.1 73 2 114.3 4 3/4 75 90 7/8 M20 2.7
2 50 165 20.7 92.1 2 127 8 5/8 75 90 3/4 M16 3.7
2 1/2 65 190 23.9 104.8 2 149.2 8 3/4 85 100 7/8 M20 5.5
3 80 210 27 127 2 168.3 8 3/4 90 110 7/8 M20 7.3
3 1/2 90 230 28.6 139.7 2 184.2 8 3/4 95 110 7/8 M20 9.6
4 100 255 30.2 157.2 2 200 8 3/4 95 115 7/8 M20 12.3
5 125 280 33.4 185.7 2 235 8 3/4 110 120 7/8 M20 15.9
6 150 320 35 215.9 2 269.9 12 3/4 110 120 7/8 M20 22.7
8 200 380 39.7 269.9 2 330.2 12 7/8 120 140 1 M24 36
10 250 445 46.1 323.8 2 387.4 16 1 140 160 1 1/8 M27 57
12 300 520 49.3 381 2 450.8 16 1 1/8 145 170 1 1/4 M30 84
14 350 585 52.4 412.8 2 514.4 20 1 1/8 160 180 1 1/4 M30 113
16 400 650 55.6 469.9 2 571.5 20 1 1/4 165 190 1 3/8 M33 134
18 450 710 58.8 533.4 2 628.6 24 1 1/4 170 195 1 3/8 M33 181
20 500 775 62 584.2 2 685.8 24 1 1/4 185 205 1 3/8 M33 230
24 600 915 68.3 692.2 2 812.8 24 1 1/2 205 230 1 5/8 M39 359

Stainless Steel Class 400 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 95 14.3 34.9 7 66.7 4 1/2 75 5/8 M14 1.5
3/4 20 115 15.9 42.9 7 82.6 4 5/8 90 3/4 M16 1.5
1 25 125 17.5 50.8 7 88.9 4 5/8 90 3/4 M16 1.8
1 1/4 32 135 20.7 63.5 7 98.4 4 5/8 95 3/4 M16 2.3
1 1/2 40 155 22.3 73 7 114.3 4 3/4 110 7/8 M20 3.7
2 50 165 25.4 92.1 7 127 8 5/8 110 3/4 M16 4.6
2 1/2 65 190 28.6 104.8 7 149.2 8 3/4 120 7/8 M20 6.8
3 80 210 31.8 127 7 168.3 8 3/4 125 7/8 M20 9.1
3 1/2 90 230 35 N/A 7 184.2 8 7/8 140 1 M24 13.2
4 100 255 35 157.2 7 200 8 7/8 140 1 M24 15
5 125 280 38.1 185.7 7 235 8 7/8 145 1 M24 20
6 150 320 41.3 215.9 7 269.9 12 7/8 150 1 M24 28
8 200 380 47.7 269.9 7 330 12 1 170 1 1/8 M27 46
10 250 445 54 323.8 7 387.4 16 1 1/8 190 1 1/4 M30 71
12 300 520 57.2 381 7 450.8 16 1 1/4 205 1 3/8 M33 102
14 350 585 60.4 412.8 7 514.4 20 1 1/4 210 1 3/8 M33 132
16 400 650 63.5 469.9 7 571.5 20 1 3/8 220 1 1/2 M36 168
18 450 710 66.7 533.4 7 628.6 24 1 3/8 230 1 1/2 M36 207
20 500 775 69.9 584.2 7 685.8 24 1 1/2 240 1 3/4 M39 266
24 600 915 76.2 692.2 7 812.8 24 1 3/4 265 1 7/8 M45 405

Stainless Steel Class 600 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 95 14.3 34.9 7 66.7 4 1/2 75 5/8 M14 1.4
3/4 20 115 15.9 42.9 7 82.6 4 5/8 90 3/4 M16 1.4
1 25 125 17.5 50.8 7 88.9 4 5/8 90 3/4 M16 1.8
1 1/4 32 135 20.7 63.5 7 98.4 4 5/8 95 3/4 M16 2.3
1 1/2 40 155 22.3 73 7 114.3 4 3/4 110 7/8 M20 3.7
2 50 165 25.4 92.1 7 127 8 5/8 110 3/4 M16 4.6
2 1/2 65 190 28.6 104.8 7 149.2 8 3/4 120 7/8 M20 6.8
3 80 210 31.8 127 7 168.3 8 3/4 125 7/8 M20 9.1
3 1/2 90 230 35 N/A 7 184.2 8 7/8 140 1 M24 13.2
4 100 275 38.1 157.2 7 215.9 8 7/8 145 1 M24 18.7
5 125 330 44.5 185.7 7 266.7 8 1 165 1 1/8 M27 31
6 150 355 47.7 215.9 7 292.1 12 1 170 1 1/8 M27 39
8 200 420 55.6 269.9 7 349.2 12 1 1/8 190 1 1/4 M30 64
10 250 510 63.5 323.8 7 431.8 16 1 1/4 215 1 3/8 M33 105
12 300 560 66.7 381 7 489 20 1 1/4 220 1 3/8 M33 134
14 350 605 69.9 412.8 7 527 20 1 3/8 235 1 1/2 M36 161
16 400 685 76.2 469.9 7 603.2 20 1 1/2 255 1 5/8 M39 225
18 450 745 82.6 533.4 7 654 20 1 5/8 275 1 3/4 M42 286
20 500 815 88.9 584.2 7 723.9 24 1 5/8 285 1 3/4 M42 368
24 600 940 101.6 692.2 7 838.2 24 1 7/8 330 2 M48 568

Stainless Steel Class 900 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 120 22.3 34.9 7 82.6 4 3/4 110 7/8 M20 1.8
3/4 20 130 25.4 42.9 7 88.9 4 3/4 115 7/8 M20 2.7
1 25 150 28.6 50.8 7 101.6 4 7/8 125 1 M24 3.6
1 1/4 32 160 28.6 63.5 7 111.1 4 7/8 125 1 M24 4.1
1 1/2 40 180 31.8 73 7 123.8 4 1 140 1 1/8 M27 5.9
2 50 215 38.1 92.1 7 165.1 8 7/8 145 1 M24 10.1
2 1/2 65 245 41.3 104.8 7 190.5 8 1 160 1 1/8 M27 16
3 80 240 38.1 127 7 190.5 8 7/8 145 1 M24 13
4 100 290 44.5 157.2 7 235 8 1 1/8 170 1 1/4 M30 24.5
5 125 350 50.8 185.7 7 279.4 8 1 1/4 190 1 3/8 M33 39.5
6 150 380 55.6 215.9 7 317.5 12 1 1/8 190 1 1/4 M30 53
8 200 470 63.5 269.9 7 393.7 12 1 3/8 220 1 1/2 M36 91
10 250 545 69.9 323.8 7 469.9 16 1 3/8 235 1 1/2 M36 132
12 300 610 79.4 381 7 533.4 20 1 3/8 255 1 1/2 M36 189
14 350 640 85.8 412.8 7 558.8 20 1 1/2 275 1 5/8 M39 237
16 400 705 88.9 469.9 7 616 20 1 5/8 285 1 3/4 M42 273
18 450 785 101.6 533.4 7 685.8 20 1 7/8 325 2 M48 367
20 500 855 108 584.2 7 749.3 20 2 350 2 1/8 M52 463
24 600 1040 139.7 692.2 7 901.7 20 2 1/2 440 2 5/8 M64 875

Stainless Steel Class 1500 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 120 22.3 34.9 7 82.6 4 3/4 110 7/8 M20 1.8
3/4 20 130 25.4 42.9 7 88.9 4 3/4 115 7/8 M20 2.7
1 25 150 28.6 50.8 7 101.6 4 7/8 125 1 M24 3.7
1 1/4 32 160 28.6 63.5 7 111.1 4 7/8 125 1 M24 4.1
1 1/2 40 180 31.8 73 7 123.8 4 1 140 1 1/8 M27 5.9
2 50 215 38.1 92.1 7 165.1 8 7/8 145 1 M24 10.1
2 1/2 65 245 41.3 104.8 7 190.5 8 1 160 1 1/8 M27 15.9
3 80 265 47.7 127 7 203.2 8 1 1/8 180 1 1/4 M30 21.8
4 100 310 54 157.2 7 241.3 8 1 1/4 195 1 3/8 M33 33
5 125 375 73.1 185.7 7 292.1 8 1 1/2 250 1 5/8 M39 64
6 150 395 82.6 215.9 7 317.5 12 1 3/8 260 1 1/2 M36 75
8 200 485 92.1 269.9 7 393.7 12 1 5/8 290 1 3/4 M42 136
10 250 585 108 323.8 7 482.6 12 1 7/8 335 2 M48 232
12 300 675 123.9 381 7 571.5 16 2 375 2 1/8 M52 314
14 350 750 133.4 412.8 7 635 16 2 1/4 405 2 3/8 M56 443
16 400 825 146.1 469.9 7 704.8 16 2 1/2 445 2 5/8 M64 591
18 450 915 162 533.4 7 774.7 16 2 3/4 495 2 7/8 M72 795
20 500 985 177.8 584.2 7 831.8 16 3 540 3 1/8 M76 1022
24 600 1170 203.2 692.2 7 990.6 16 3 1/2 615 3 5/8 M90 1648

Stainless Steel Class 2500 Blind Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness RF Dia. RF Height PCD No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 135 30.2 34.9 7 88.9 4 3/4 120 7/8 M20 3.2
3/4 20 140 31.8 42.9 7 95.2 4 3/4 125 7/8 M20 3.7
1 25 160 35 50.8 7 108 4 7/8 140 1 M24 5
1 1/4 32 185 38.1 63.5 7 130.2 4 1 150 1 1/8 M27 7.8
1 1/2 40 205 44.5 73 7 146 4 1 1/8 170 1 1/4 M30 10.5
2 50 235 50.9 92.1 7 171.4 8 1 180 1 1/8 M27 18
2 1/2 65 265 57.2 104.8 7 196.8 8 1 1/8 195 1 1/4 M30 25.5
3 80 305 66.7 127 7 228.6 8 1 1/4 220 1 3/8 M33 39
4 100 355 76.2 157.2 7 273 8 1 1/2 255 1 5/8 M39 61.5
5 125 420 92.1 185.7 7 323.8 8 1 3/4 300 1 7/8 M45 102
6 150 485 108 215.9 7 368.3 8 2 345 2 1/8 M52 157
8 200 550 127 269.9 7 438.2 12 2 380 2 1/8 M52 241
10 250 675 165.1 323.8 7 539.8 12 2 1/2 490 2 5/8 M64 470
12 300 760 184.2 381 7 619.1 12 2 3/4 540 2 7/8 M72 575

Types of Stainless Steel Blind Flanges

  • Stainless Steel Class 75 Blind Flanges
  • Stainless Steel Class 150 Blind Flanges
  • Stainless Steel Class 175 Blind Flanges
  • Stainless Steel Class 250 Blind Flanges
  • Stainless Steel Class 300 Blind Flanges
  • Stainless Steel Class 350 Blind Flanges
  • Stainless Steel Plate Blind Flanges
  • Stainless Steel Ring Type Joint Blind Flanges
  • Stainless Steel Drawing Blind Flanges
  • Stainless Steel Square Blind Flanges
  • Stainless Steel Nipo Blind Flanges
  • Stainless Steel Reducing Blind Flanges
  • Stainless Steel Forged Blind Flanges
  • Stainless Steel Blind Flanges
  • Stainless Steel Class 125 Light-weight Blind Flanges
  • Stainless Steel Class 125/150 Blind Flanges

Other Standards of ANSI / ASME / DIN Stainless Steel Blind Flanges

  • ANSI B16.5 Stainless Steel Blind Flanges
  • ANSI B16.5 Stainless Steel Class 150 Blind Flanges
  • ANSI B16.5 Stainless Steel Class 300 Blind Flanges
  • ANSI B16.5 Stainless Steel Class 400 Blind Flanges
  • ANSI B16.5 Stainless Steel Class 600 Blind Flanges
  • ANSI B16.5 Stainless Steel Class 900 Blind Flanges
  • ANSI B16.5 Stainless Steel Class 1500 Blind Flanges
  • ANSI B16.5 Stainless Steel Class 2500 Blind Flanges
  • ASME B16.47 Stainless Steel Series A Blind Flanges
  • ASME B16.47 Stainless Steel Series B Blind Flanges
  • ANSI B16.36 Stainless Steel Orifice Blind Flanges
  • DIN Stainless Steel Blind Flanges PN6-PN40

For Stainless Steel Blind Flanges price list

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Call +91-22-6743 7444 / +91-22-6743 8222 OR

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Stainless Steel Blind Flanges Applications

Off-Shore Oil Drilling Companies Power Generation Petrochemicals Gas Processing
Specialty Chemicals Pharmaceuticals Pharmaceutical Equipment Chemical Equipment
Sea Water Equipment Heat Exchangers Condensers Pulp & Paper Industry

Stainless Steel Blind Flanges Manufacturer & Supplier

  • Stainless Steel Blind Flanges manufacturer in india
  • Stainless Steel Blind Flanges supplier in india
  • Stainless Steel Blind Flanges manufacturer in Mumbai
  • Stainless Steel Blind Flanges manufacturer in Pune
  • Stainless Steel Blind Flanges supplier in Chennai
  • Stainless Steel Blind Flanges manufacturer in Hyderabad

Top Export Destinations - Stainless Steel Blind Flanges

Iran, Argentina, Colombia, Mexico, Africa, Houston, Brazil, Tunisia, Kazakhstan, Vietnam, London, Trinidad and Tobago, Kuwait, Canada, Iraq, Sudan, Israel, Azerbaijan, Turkey, Egypt, Australia, Dubai, Chine, United States, Italy, Saudi Arabia, UAE, Malaysia, Sri Lanka, Nigeria, South Africa, Peru, Indonesia, UK, Germany, Bahrain, New Zealand, Thailand (Bangkok), Jordan, Russia, Venezuela, Ethiopa, Ghana, Uganda, Cameroon, Algeria, Morocco, Mozambique, Angola, Qatar, Yemen, Oman, Lebanon, Cyprus, Johannesburg, Brazzaville, Cairo, Maputo, Lagos, Douala, Tripoli, Mogadishu, Khartoum, Port Harcourt, Antananarivo, Port Elizabeth, Kano, New York, Abu Dhabi, Dar es Salaam, Benin, Kampala, Luanda, Conakry, Rabat, Bulawayo, Cape Town, Alexandria, Fez, Ouagadougou, Mbuji-Mayi, Soweto, Singapore, Dakar, Omdurman, Hong Kong, Zaria, Lubumbashi, Kinshasa, Harare, Abidjan, Yaoundé, Addis Ababa, Giza, Algiers, Accra, Colombo, Kaduna, Maiduguri, Nairobi, Casablanca, Pretoria, Kolwezi, Subra al-Haymah, Durban, Freetown, Bamako, Ibadan, South America, Austalia, Austria, Bangladesh, Mozabique, Myanmar, Netherland, Phillipine, Spain, Jordon.

We Supply Stainless Steel Blind Flanges to following Domestic Cities

Bangalore, Hyderabad, Ahmedabad, Chennai, Suryapet, Jamalpur, Bhiwadi, Ballia, Ambala, Sadar, Udgir, Miryalaguda, Bansberia, Mumbai, India, Maharashtra, Delhi, Karnataka, Andhra Pradesh, Kerala, Tripura, Benin, Puducherry, Mizoram, Manipur, Tadepalligudem, Betul, Nagapattinam, Bundi, Baraut, Buxar, Muktsar, Kolkata, Surat, Pune, Jaipur, Lucknow, Kanpur, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Pimpri and Chinchwad, Patna, Vadodara, Ghaziabad, Ludhiana, Agra, Nashik, Faridabad, Meerut, Rajkot, Gujarat, Tamil Nadu, West Bengal, Gujarat, Bihar, Rajasthan, Uttar Pradesh, Punjab, Haryana, Madhya Pradesh, Jharkhand, Chhattisgarh, Assam, Chandigarh, Orissa, Kalyan, Dombivali, Vasai, Coimbatore, Jabalpur, Gwalior, Vijayawada, Jodhpur, Madurai, Bhadreswar, Kasganj, Kalyani, Nagaur, Port, Blair, Datia, Hinganghat, Banswara, Nagda, Raipur, Kota, Guwahati, Solapur, Hubli and Dharwad, Virar, Varanasi, Srinagar, Aurangabad, Dhanbad, Amritsar, Navi Mumbai, Allahabad, Ranchi, Haora, Ulhasnagar, Jhansi, Kolapur, Ajmer, Akola, Durgapur, Nanded, Gorakhpur, Belgaum, Mangalore, Ambattur, Tirunelveli, Saharanpur, Guntur, Bikaner, Amravati, Kurnool, Bhavnagar, Dehradun, Asansol, Waghala, Gulbarga, Jamnagar, Ujjain, Loni, Siliguri.
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