Stainless Steel Blind Flange Supplier

A Stainless Steel Blind Flange is a type of pipe flange used in piping systems and is made from stainless steel. Flanges are important components in pipelines and industrial systems, as they provide a means to connect, terminate, or close off the flow of fluids or gases within a system. A blind flange, in particular, is used to seal the end of a pipe or valve.

Here are some key characteristics and uses of stainless steel blind flanges:

Material: Stainless steel is chosen for its corrosion resistance, durability, and strength, making it suitable for various applications, including those in corrosive or high-temperature environments.

Function: An SS blind flange is typically used to seal the end of a pipeline, a valve, or any other equipment that requires a closure. It is not designed to allow the flow of fluid or gas, as it lacks an opening or bore.

Facing: The flange’s facing (the part that comes into contact with the gasket and another flange) can have different surface finishes, such as SS Blind Neck Raised Face Flange (SS BNRF Flange) or SS Blind Neck Flat Face Flange (SS BNFF Flange), depending on the sealing requirements of the specific application.

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Installation: Blind flanges are usually installed by bolting them onto the end of a pipe or equipment, providing a strong and leak-tight seal. They are commonly used in situations where future access to the pipeline or equipment may be required.

Applications: ASTM A182 Stainless steel blind flanges are used in various industries, including petrochemical, chemical, food processing, pharmaceuticals, water treatment, and many others. They are employed in both low-pressure and high-pressure systems, depending on the specific design and pressure ratings of the flange.

Pressure Ratings: SS blind flanges are available in different pressure classes to accommodate various system requirements. The pressure class is typically marked on the flange to ensure it is used within its designed pressure range.

Sizes: These flanges come in a range of sizes, from small diameters to very large ones, to fit the corresponding pipes or equipment they will be attached to.

Stainless steel blind flanges offer excellent resistance to corrosion and provide a long-lasting and reliable sealing solution for various industrial applications. When selecting a blind flange for a specific application, it is essential to consider factors such as the material type, pressure rating, size, facing type, and the conditions in which it will be used to ensure a secure and leak-free connection.

Specification For SS Blind Flanges

Specifications ASTM A 182/ ASME SA182
Dimensions ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production process M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC
Blind Flanges

STOCKIST & SUPPILERS FOR STAINLESS STEEL BLIND Flanges IN INDIA, CUSTOM SIZES SS BLIND, BLRF, BLRTJ Flanges AS PER CLIENT REQUIREMENT

Various Types of Stainless Steel Blind Flanges

BLRF Flange

BLRF Flanges

  • SS BLRF Flange
  • ASME SA182 Stainless Steel BLRF Flanges
  • ASTM A182 Stainless Steel BLRF Flanges
  • Stainless Steel BLRF Flanges
  • 316L SS BLRF Flanges
  • Stainless Steel 304 BLRF Flanges
  • ANSI B16.5 Stainless Steel BLRF Flanges
  • 316 Stainless Steel BLRF Flanges
  • Stainless Steel BLRF Flange
  • SS BLRF Flanges
  • 304L Stainless Steel BLRF Flanges
blrtj flange

BLRTJ Flanges

  • ASTM A182 Stainless Steel BLRTJ Flanges
  • ANSI B16.5 Stainless Steel BLRTJ Flanges
  • Stainless Steel 304 BLRTJ Flanges
  • Stainless Steel BLRTJ Flanges
  • SS BLRTJ Flanges
  • ASME SA182 Stainless Steel BLRTJ Flanges
  • 316 Stainless Steel BLRTJ Flanges
  • 316L SS BLRTJ Flanges
  • SS BLRTJ Flange
  • Stainless Steel BLRTJ Flange
  • 304L Stainless Steel BLRTJ Flanges
BLFF Flange

BLFF Flanges

  • SS BLFF Flange
  • Stainless Steel 304 BLFF Flanges
  • ASTM A182 Stainless Steel BLFF Flanges
  • 304L Stainless Steel BLFF Flanges
  • Stainless Steel BLFF Flanges
  • ASME SA182 Stainless Steel BLFF Flanges
  • ANSI B16.5 Stainless Steel BLFF Flanges
  • 316 Stainless Steel BLFF Flanges
  • SS BLFF Flanges
  • Stainless Steel BLFF Flange
  • 316L SS BLFF Flanges

Ready Stock Of Stainless Steel Blind Flanges

  • SS Blind Forged Flange
  • SS BLRTJ Flanges
  • Stainless Steel 316L Blind Flanges
  • 304L Stainless Steel Blind Flange
  • Stainless Steel Flat Faced Blind Flanges
  • ANSI B16.5 Class 150 Blind Flanges
  • Stainless Steel Raised Faced Blind Flanges
  • Stainless Steel Blind Flanges
  • Stainless Steel 316 BLRF Flanges
  • SS Class 150 Blind Flanges
  • ASME SA182 SS Blind Flangs
  • SS Blind Pipe Flanges
  • F304 Stainless Steel Blind Flange
  • Stainless Steel Raised Face Blind Flange
  • ASTM A182 Stainless Steel BLRF Flange
  • Stainless Steel BLFF Flanges
  • SS Blind Raised Face Flange
  • Stainless Steel Blind Flanges
  • ASME B16.5 Stainless Steel Blind Flanges
  • SS 316 Blind Flange
  • Stainless Steel RFBL Flange
  • ANSI B16.5 Stainless Steel Blind Flanges

SS Blind Flanges Dimension

Size
in Inch
Size
in mm
Outer
Dia.
Flanges
Thick.
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

Weight Chart of Stainless Steel Blind Flanges

NPS (Nominal Pipe Size) NPT (Threaded) WRNR (Weld Neck) SWRF (Socket Weld) Loose (Lap Joint) SORF (Slip On) BLRF (Blind)
½ 1 2 2 1 1 2
¾ 2 2 2 2 2 2
1 2 3 2 2 2 2
3 3 3 3 3 3
3 4 3 3 3 4
2 5 6 5 5 5 5
8 10 8 8 8 7
3 9 11.5 9 9 9 9
12 12 11 11 11 13
4 13 16.5 13 13 13 17
5 15 21 15 15 15 20
6 19 26 19 19 19 27
8 30 42 30 30 30 47
10 43 54 43 43 43 70
12 64 88 64 64 64 123
14 90 114 90 105 90 140
16 98 140 98 140 106 180
18 130 165 130 160 130 220
20 165 197 165 195 165 285
22 185 225 185 245 185 355
24 220 268 220 275 220 430

We Serve Application Industry

Blind Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

We Export SS Blind Flanges Across the Globe

Mexico, Morocco, Austria, Italy, Trinidad & Tobago, Saudi Arabia, Ireland, Puerto Rico, China, France, Belgium, Lithuania, Portugal, Thailand, Nigeria, Bolivia, Zimbabwe, Israel, Japan, South Africa, Ecuador, Poland, Croatia, South Korea, Denmark, Spain, Malaysia, Finland, Philippines, Afghanistan, Mongolia, Turkey, Indonesia, Namibia, Kuwait, Argentina, Switzerland, Vietnam, Pakistan, Romania, Netherlands, Greece, Germany, Azerbaijan, Bahrain, Slovakia, Yemen, Oman, Peru, Czech Republic, Sweden, Iran, United Kingdom, Hong Kong, Estonia, Algeria, Sri Lanka, Belarus, Nigeria, United States, Libya, Kazakhstan, Bulgaria, Chile, Russia, Iraq, Canada, Lebanon, Ukraine, Iran, Poland, Serbia, Kenya, Bangladesh, Singapore, Ghana, Brazil, Chile, Gabon, India, Angola, Taiwan, United Arab Emirates, Nepal, Bhutan, Qatar, Hungary, Australia, Costa Rica, Norway, Colombia, Gambia, Macau, Tunisia, Mexico, Egypt, Jordan, Venezuela, Tibet, New Zealand.

Domestic Supply Stainless Steel Blind Flanges

Coimbatore, Vadodara, Jaipur, Howrah, Faridabad, Chandigarh, Bhopal, Nagpur, Navi Mumbai, Thane, Gurgaon, Kanpur, Haryana, Baroda, Colombo, Ahmedabad, Rajkot, Indore, Pimpri-Chinchwad, Secunderabad, Chennai, Mumbai, New Delhi, Ernakulam, Thiruvananthapuram, Bengaluru, Ranchi, Surat, Jamshedpur, Pune, Ludhiana, Hyderabad, Noida, Visakhapatnam, Kolkata, Nashik.

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