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Blind Flanges

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Blind Flanges

ANSI B 16.5, ASME B 16.47, MSS SP44, ASTM A182 Blind Pipe Flanges & Raised Face Blind Flanges Manufacturer & Exporter in India

Stainless Steel Blind Flanges, Carbon Steel Blind Flanges, Alloy Steel Blind Flanges, Nickel Alloy Weld Blind Flanges, Monel Blind Flanges, Hastelloy Blind Flanges Dealer in India

Blind Flanges are basically employed to close the open ends of valves or piping systems. Aspirinox Alloys Inc is one among the eminent Blind Flanges Manufacturers and suppliers of the contemporary market. We design ASME B16.5 Blind pipe flanges of various sizes and shapes with extreme dimensional precision. We finally finish our Raised Face Blind Flanges keeping all the national and international standards in view.


ANSI B16.5 Blind Flanges are generally used for the mechanical purpose where the access is required inside a pipe. Our SS Blind Flanges are specially used to examine the fluid flow inside a pump system or valve.  Mostly our Carbon Steel Blind Flanges are deployed in high-pressure applications.


Please call us today to attain complete idea about our products. Communicate with our sales personnel in case of any queries. Hurry up!

Blind Flanges Specifications

Size ½” (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.
Standards ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S BS4504 , BS4504, BS1560, BS10
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Grade Specifications of Blind Flanges

Stainless Steel Blind Raised Face Flanges
Standard ASTM A182 , A240
Grades F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L
Carbon Steel Blind Raised Face Flanges
Standard ASTM A105
Grades Gr. F42,46,52,56,60,65,70
Alloy Steel Blind Raised Face Flanges
Standard ASTM A182
Grades F1,F5,F9,F11,F22,F91
Nickel Alloy Steel Blind Raised Face Flanges
Standard ASTM SB564, SB160, SB472, SB162
Grades Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020),
Copper Alloy Blind Raised Face Flanges
Standard ASTM SB 61 , SB62 , SB151 , SB152
Grades UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200,
Duplex Steel Slip-On Raised Face Flanges
Standard ASTM A182, A240
Grades UNS F 44, F 45, F51, F 53, F 55, F 60, F 61

Types of Blind Flanges

  • Industry Standard Class 75 Blind Flanges
  • Industry Standard Class 150 Blind Flanges
  • Industry Standard Class 175 Blind Flanges
  • Industry Standard Class 250 Blind Flanges
  • Industry Standard Class 300 Blind Flanges
  • Industry Standard Class 350 Blind Flanges
  • Plate Blind Flanges
  • Ring Type Joint Blind Flanges

  • Drawing Blind Flanges
  • Square Blind Flanges
  • Nipo Blind Flanges
  • Reducing Blind Flanges
  • Forged Blind Flanges
  • Stainless Steel Blind Flanges
  • Industry Standard Class 125 Light-weight Blind Flanges
  • Industry Standard Class 125/150 Blind Flanges

Other Standards of ANSI / ASME / DIN Blind Flanges

  • ANSI B16.5 Blind Flanges
  • ANSI B16.5 Class 150 Blind Flanges
  • ANSI B16.5 Class 300 Blind Flanges
  • ANSI B16.5 Class 400 Blind Flanges
  • ANSI B16.5 Class 600 Blind Flanges
  • ANSI B16.5 Class 900 Blind Flanges

  • ANSI B16.5 Class 1500 Blind Flanges
  • ANSI B16.5 Class 2500 Blind Flanges
  • ASME B16.47 Series A Blind Flanges
  • ASME B16.47 Series B Blind Flanges
  • ANSI B16.36 Orifice Blind Flanges
  • DIN Blind Flanges PN6-PN40

Blind Flanges Updated Price List

Request the latest Blind Flanges List. Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Aspirinox Alloys INC maintains a stock of all standard items and can export them at best price for Blind Flanges.

Blind Flanges Value Added Services

Material Testing:

  • Mechanical Testing Such as Tensile of Area
  • Hardness Test
  • Chemical Analysis – Spectro Analysis
  • Positive Material Identification – PMI Testing
  • Flattening Test
  • Micro and MacroTest
  • Pitting Resistance Test
  • Flaring Test
  • Intergranular Corrosion (IGC) Test

Documentation & Packaging:

  • Commercial Invoice including HS Code
  • Packing List including Complete Details
  • Certificate of Origin legalized
  • Material Traceability Records
  • Quality Assurance Plan (QAP)
  • Heat Treatment Charts
  • Material Test Certificates (MTC)
  • Guarantee Letter
  • NABL approved Laboratory Test Reports

Exporting Blind Flanges to Below Countries

Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen

Supplying Blind Flanges to Following Domestic Cities

Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmadabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, Tiruchirappalli, Kota

Industries & Applications Where Our Blind Flanges Are Used

Chemicals, Petrochemicals, Oil & Natural Gas Organization, Fats, Fertilizers, Sugar Mills & Distilleries, Cement Industries, Ship Builders, Paper Industries, Pumps, Automation, Paints, Steel Industries, etc.