Blind Flanges (BLRF)

Global Supplier of Flat Faced Blind Flanges, ASME B16.5 BLRF Flanges, Blind Weld Flange, Blind Raised Face Flanges, ANSI B16.5 Class 150 Blind Flanges, Stockist of Stainless Steel Blind Flanges, Raised Faced Blind Flanges Dealer in India, ANSI B16.5 SS Blind Flange, ASME B16.5 Blind Flanges, PN16 Blind Flange, PN16 Blind Flange Dimensions, ANSI B16.5 Blind Flanges.

ASME B16.5 Blind Flanges

Founded in 1980 and built over the years with flair and creativity, Neo Impex Stainless Pvt. Ltd. is a powerhouse manufacturer, supplier and exporter of Blind Flanges which stand for quality and convenience. We go the extra mile to usher the best services to our customers. Our Stainless Steel Blind Flanges are mostly used to seal the end or opening of a pipe, which is why they come without a bore. This comes in handy for inspection and pressure tests, as it allows quick access to the pipe. We offer ANSI B16.5 Blind Flanges to the high h pressure application industries in numerous thread types and hub requirements as well as in hard-to-find metals categories like Monel, Hastelloy, Titanium, Inconel, etc.

ASME B16.47 Series A and B BLRF Flanges, Manufacturer of Blind Forged Flanges, ASTM A182 SS Blind Flange, Blind Flange Dimensions, Alloy Steel Blind Plate Flanges, Nickel Alloy 200 BLRF Flange, Carbon Steel Blind Flange, MSS SP-44 Blind Flanges in Mumbai, India.

What are ASME B16.5 BLRF Flanges?

ASME B16.5 BLRF Flanges are Blind Raised Face Flanges that comply with the ASME B16.5 standard for pipe flanges & flanged fittings. These flanges are designed for pipes or fittings without a raised face. The Blind Flanges are commonly used to seal the end of a pipe or fitting and are used in applications where the piping system needs to be closed or blocked off.

What are ANSI B16.5 Blind Flanges used for?

ANSI B16.5 Blind Flanges are used to close the end of a piping system or a pressure vessel. These flanges are commonly used in applications where the piping system needs to be closed off for maintenance, inspection, or repair. They are also used in systems where the flow needs to be stopped temporarily, such as during testing or cleaning. Blind Flanges are designed to withstand high pressure & temperature, making them suitable for various industrial applications.

What are the benefits of B16.5 Blind Flanges?

The benefits of using B16.5 Blind Flanges include easy installation, versatility, and safety. These flanges are easy to install & remove, making them ideal for applications requiring frequent maintenance or inspection. They are versatile & can be used in various applications, from low-pressure to high-pressure and high-temperature systems. Also, using Blind Flanges can improve safety by providing a seal that prevents leaks and reduces the risk of accidents.

Best Price of Duplex Steel BLRF Flanges, Hastelloy C22 Blind Flange, Class 300, 600, 900, 1500 Blind Flanges Wholesaler, Inconel Blind Flanges, Stockholder Of DIN86029 PN10 Blind Flange, Copper Nickel BLRF Flanges Exporter, Alloy 20 Blind Flanges Traders in India.

Standard Specification For Blind Flanges

Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Size : 1/2" (15 NB) to 48" (1200NB)

Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673

BS : BS4504 , BS4504, BS1560, BS10

Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Material & Grades of Blind Flanges (BLRF) :

Carbon Steel Blind Flange 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)
Stainless Steel Blind Flange 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
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, etc
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 / etc.
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 No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 Blind Flange ASTM B462 / ASME SB462, CarpenterĀ® 20 Alloy, Alloy 20Cb-3
Aluminium Blind Flange 5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Blind Flange ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 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 Flanges
254 Smo Blind Flange ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Nimonic Blind Flange Nimonic 75, Nimonic 80A, Nimonic 90
Other Blind Flange material Tin bronze, Alumunum bronze, Lead bronze

ASME B16.5 Blind Flange Dimensions

(RF Dia.)
# Bolt
Dia. of
Bolt Holes
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
1/16" raised face included in flange thickness.

ASME B16.5 Raised Faced Blind Flanges Available Types

Blind Raised Face Flange Raised Faced Blind Flanges
ANSI B16.5 Blind Flanges Blind Flange Dimensions
ASME B16.5 BLRF Flanges ANSI B16.5 Class 150 Blind Flanges
Stainless Steel Blind Flanges Suppliers SS Blind Flange
Blind Plate Flanges Dealer ASME B16.47 Series A and B BLRF Flanges Exporter
ANSI B16.5 class 150 BLRF Flange Stockholder ANSI 150 Blind Flange Distributors
Carbon Steel Blind Flange High Quality BLRF Flanges Manufacturer
ASTM A182 Stainless Steel BLRF Flange Duplex Steel Blind Flange
Super Duplex Steel Blind Forged Flange Copper Nickel Blind Pipe Flanges
High Nickel Alloy BLRF Flanges Hastelloy Flat Faced Blind Flanges Stockist
Titanium ASME B16.47 Series A and B BLRF Flanges Inconel Blind Flanges

ANSI B16.5 Blind Flanges Application

ASME B16.5 Blind Flanges are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Flat Faced Blind Flanges through a worldwide network of stock-keeping branches. These Blind Flange is use in various industries like :

  • Stainless Steel Blind Flanges uses in Oil and Gas Pipeline
  • Blind Raised Face Flanges uses in Chemical Industry
  • Alloy Steel BLRF Flanges uses in Plumbing
  • Flat Faced Blind Flanges uses in Heating
  • Blind Pipe Flanges uses in Water Supply Systems
  • ANSI B16.5 Blind Forged Flanges uses in Power Plant
  • Blind Plate Flanges uses in Paper & Pulp Industry
  • Blind Flange uses in General Purpose Applications
  • Steel Blind Flanges uses in Fabrication Industry
  • Blind Flange uses in Food Processing Industry
  • Blind Flanges uses in Structural Pipe

Export Destinations For Blind Plate Flanges


  Saudi Arabia


  South Africa
  Equatorial Guinea
  The Republic Of Congo


  Costa Rica
  Puerto Rica
  Trinidad And Tobago


  Czech Republic


  South Korea
  Sri Lanka



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