Blind Flanges Manufacturer & Supplier in India

Blind Flanges Manufacturer & Supplier in India

Piping Projects India is one of the leading Blind Flanges Manufacturer & Supplier. Our Blind Flanges are renowned and well-known all over the world for their dependability and quality. We regard our customers like partners by offering them our products and services. Our organization is one of the largest Blind Flanges Supplier in India. We make Blind Flanges in a variety of forms and sizes, as well as varied standards, to meet the needs of our customers.


Blind Flanges Manufacturer in India

What is Blind Flanges?

A blind flange is a flange used to seal off a part of a pipe system or a vessel's opening. It is intended to shut the end of a pipe or vessel temporarily or permanently. Blind flanges are normally solid discs with bolt holes around the circumference for connecting to other flanges or equipment.

These flanges are widely employed in piping systems for maintenance, inspections, or to isolate a segment of the pipeline from the rest of the system. They seal the open end of the pipe or vessel, preventing fluid or gas from flowing through it.

Blind flanges come in a variety of diameters, materials, and pressure ratings to fit varied applications and operating circumstances in industries such as oil & gas, petrochemicals, chemical processing, and power generation.

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Blind Flanges Manufacturer & Supplier in India

Blind Flanges

Blind Flanges Manufacturer in India
Carbon Blind Flanges Manufacturer in India
Stainless Steel Flanges Supplier in India

Blind Flanges - Specifications

  • Standards: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
  • Size: 1/2" (15 NB) to 48" (1200NB)
  • Class / Pressure: 150#, 300#, 800#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
  • Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
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High Quality Blind Flanges Types We Supply

Piping Projects India is a leading Blind Flanges Manufacturer in India. This shows a varied range of choices, ensuring that customers have access to high-quality Blind Flanges that may be adapted to their specific application requirements. Blind flanges are available in a variety of sizes and bespoke types, some of which are listed below.

Blind Flanges Chemical Composition

A prominent Blind Flanges Manufacturer in India, specializes in ensuring exceptional quality through precise chemical composition. Our Blind Flanges is dependable, robust, and performs optimally, meeting and exceeding industry standards in India and elsewhere.


Blind Flanges Chemical Composition
Material Carbon (%) Manganese (%) Phosphorus (%) Sulfur (%) Silicon (%) Chromium (%) Nickel (%) Molybdenum (%)
Carbon Steel 0.05 - 2.0 0.30 - 1.60 0.04 (max) 0.05 (max) 0.15 - 0.60 - - -
Stainless Steel (ASTM A182 F304) 0.08 (max) 2.00 (max) 0.045 (max) 0.030 (max) 1.00 (max) 18.0 - 20.0 8.0 - 10.5 -
Stainless Steel (ASTM A182 F316) 0.08 (max) 2.00 (max) 0.045 (max) 0.030 (max) 1.00 (max) 16.0 - 18.0 10.0 - 14.0 2.00 - 3.00

Where Can Blind Flanges Be Used?

Blind flanges are widely used in sectors like oil and gas, petrochemicals, chemical processing, and power production. They play an important role during maintenance activities, inspections, and system adjustments, allowing specialists to isolate certain parts of pipelines or vessels without disrupting the overall flow. Blind flanges are primarily used in pipeline testing and inspection, allowing personnel to conduct pressure tests, integrity checks, and repairs more efficiently.


Blind Flanges Mechanical Properties

As a top Blind Flanges Supplier in India, Our Blind Flanges offers superior mechanical properties, ensuring long-term endurance in critical applications. Mechanical Properties of Blind Flanges are as follows:


Blind Flanges Mechanical Properties
Material Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HB)
Carbon Steel 400 - 700 250 - 450 20 - 30 120 - 250
Stainless Steel (ASTM A182 F304) 515 - 690 205 - 275 40 - 50 150 - 220
Stainless Steel (ASTM A182 F316) 515 - 690 205 - 275 40 - 50 150 - 220

Where Should Blind Flanges be Installed?

Blind flanges are strategically fitted in various parts of pipe systems and vessels to provide temporary or permanent closure. Blind flanges are commonly used during maintenance and repair activities to separate selected parts of the pipeline or vessel, allowing specialists to work safely while without disturbing the entire system. Isolating segments allows personnel to analyse the pipeline's structural integrity, locate any leaks, and assure regulatory compliance.


Blind Flanges Widely used in?

  • Oil and Gas Industry: Blind flanges are commonly used in oil refineries, petrochemical plants, and offshore drilling platforms to isolate pipelines during maintenance, testing, and repair operations.
  • Chemical Processing Plants: Blind flanges are used in chemical processing plants to block off parts of pipelines or vessels for cleaning, inspection, and process adjustments.
  • Power Generation Facilities: Blind flanges are used in power plants to isolate parts of steam, water and gas pipelines during maintenance shutdowns, inspections and repairs.
  • Water Treatment Facilities: Blind flanges are used in water treatment plants to isolate piping systems during maintenance, repair, or replacement of valves, pumps, or filters.

Blind Flanges Equivalent Grades

Blind Flanges Equivalent Grades
Pipe sizes in Inches 150 LBS 300 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS
Weld neck Slip on Blind Weld neck Slip on Blind Weld neck Slip on Blind Weld neck Slip on Blind Weld neck Slip on Blind Weld neck Slip on Blind
1/2 2 1 1 2 1 1 2 2 2 See 1500 LBS Weight 5 4 4 7 7 7
3/4 2 2 2 3 3 3 4 3 3 See 1500 LBS Weight 6 5 6 8 8 8
1 3 2 2 4 3 3 4 4 4 See 1500 LBS Weight 9 8 8 12 11 11
1 1/2 4 3 3 7 6 6 8 7 8 See 1500 LBS Weight 13 12 13 25 22 23
2 6 5 5 9 7 8 12 9 10 See 1500 LBS Weight 25 25 25 42 37 39
2 1/2 8 7 7 12 10 12 18 13 15 See 1500 LBS Weight 36 36 35 52 55 56
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
3 10 8 9 15 13 16 23 16 20 31 26 29 48 48 48 94 83 86
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
22 225 185 355 465 370 640 720 590 1000 NA NA NA NA NA NA NA NA NA
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
12 80 64 110 140 115 185 225 200 295 325 325 415 690 580 690 1525 1100 1300
20 180 165 285 400 315 505 590 510 810 830 730 1075 2050 NA 2225 NA NA NA
24 260 220 430 580 475 790 830 730 1250 1500 1400 2025 3325 NA 3625 NA NA NA

Things To Consider When Buying Blind Flanges

Most Common Uses for Blind Flanges

  • Industrial: Industrial products range from chemicals and pharmaceuticals to marine, oil, and gas equipment.
  • Architecture: Our materials have a considerable impact on external walls, roofs, railings, and window and door frames, demonstrating structural design versatility.
  • Foodservice: Tables, countertops, sinks, appliances, and food preparation utensils are all required for a fully functional kitchen.
  • Other: Our Blind Flange is supplied in different industries, including medical items, jewellery, and musical instruments.
Petrochemical Industry Power Plant Chemical Industry
Filtration, Disinfection and Chemicals Oil & Gas

Leading Blind Flanges Supplier in Following Cities:

Piping Projects India is a leading Blind Flanges Manufacturer in India. We proudly supply high-quality Blind Flanges to major cities in India. We are known in the market as the India’s leading Blind Flanges Supplier for a long time.

Cities We Supply in India
Top Blind Flange Suppliers in Indian Cities
Raigad Pune Nashik Nagpur Ahmednagar Mumbai
Ahmedabad Bangalore Chennai Vadodara Ludhiana Delhi

Blind Flanges Manufacturer in India

Blind Flanges Manufacturer in India

Blind Flanges Manufacturer in India

Blind Flanges Supplier in India

Blind Flanges Supplier in India

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