logo

+91 77009 58575

sales@nishraoverseas.com

Flat Flanges Manufacturer in India

Flat Flanges, Flat Flanges Exporter, Flat Flanges Manufacturer in India, SS Flat Flanges Price, Best Quality Flat Flanges, Carbon Steel Flat Flanges Supplier, Stainless Steel Flat Flanges Stockists in Mumbai, India

Nishra Overseas LLP is a well-known supplier and exporter of a wide range of Flat Face Pipe Flanges that are welded with filler metal and heat treated to specifications. Carbon Steel Flat Face Flanges are threaded in a bore that corresponds to the pipe's exterior thread. Alloy Steel Flat Face Flanges are one of the most common precipitation hardening grades due to their excellent strength, toughness, hardness, and corrosion resistance. With the use of cutting-edge methods and premium raw materials produced by leading industry professionals, our Duplex Steel Flat Face Flanges are expertly crafted.

Flat Flanges – IBR and Non-IBR, ANSI B16.5 Flat Flanges, SS SOF Flanges Suppliers in India, Carbon Steel Flat – IBR and Non-IBR Flanges Exporter Supplier, EN1092, ASME B16.5 Flat Flanges Manufacturers.

High Hub Blind Flanges

Nishra Overseas sources its flanges from a certified international provider that manufactures plate pipe flanges to global standards. We can provide flat flanges made of carbon steel and stainless steel in various sizes ex-mill for use in Indian service projects as well as export to other countries. For the Oil Gas Flanges and Power Plant industry, we have created these superior and incredibly durable plate flanges as a substitute for the Chinese ones that are no longer available in India.

High Hub Blinds Flanges are regarded as the best option, especially as they provide exceptional corrosion protection against chloride pitting and chloride ion stress. Furthermore, compared to normal austenitic stainless steel High Hub Blinds Flanges, which are more affordable and adaptable but have less corrosion resistance, duplex stainless steel grade flanges have a better tensile strength. High hub blind flange manufacturers in India refer to alloy grade 316, which is a type of stainless steel, as marine grade because of its resistance to corrosion in salt, seawater, and marine environments.

We are a Stainless Steel Weld Neck Flange manufacturer in India, and we offer these Inconel Weld Neck Flange, Hastelloy Weld Neck Flange, Monel Weld Neck Flange, Alloy 20 Weld Neck Flange, Aluminium Weld Neck Flange, Nickel Weld Neck Flange, Duplex Weld Neck Flange, Super Duplex Weld Neck Flange, Incoloy Weld Neck Flange, Copper Weld Neck Flange, Copper Nickel Weld Neck Flange, Brass Weld Neck Flange, 254 Smo Weld Neck Flange, and Titanium Weld Neck Flange in all standards that are common in the world.

High Hub Blinds Flanges Specification

Size 1/2" (15 NB) to 48" (1200NB)
Standards ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Pressure Ratings Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Carbon Steel Slip On Flanges/ SORF Flanges ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Stainless Steel Slip On Flanges/ SORF Flanges ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Slip On Flanges/ SORF Flanges ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Slip On Flanges/ SORF Flanges Duplex, Super Duplex, Nickel Alloys
Flange Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Socket Weld Flange
Value Added Services CNC Machining, Customised Flanges

Dimensions of High Hub Blinds Flanges

Item IDClass 150 HH High Hub Blind Flanges Description
1FF .51RHHBLD1/2 150 RF High Hub Blind BLIND ASME B16.5 001 lbs
1FF .751RHHBL3/4 150 RF High Hub Blind BLIND ASME B16.5 002 lbs
1FF 11RHHBL1 150 RF High Hub Blind BLIND ASME B16.5 002 lbs
1FF 1.51RHHBL1 1/2 150 RF High Hub Blind BLIND ASME B16.5 004 lbs
1FF 21RHHBL2 150 RF High Hub Blind BLIND ASME B16.5 005 lbs
1FF 31RHHBL3 150 RF High Hub Blind BLIND ASME B16.5 009 lbs
1FF 41RHHBL4 150 RF High Hub Blind BLIND ASME B16.5 017 lbs
Item IDClass 300 HH High Hub Blind Flanges Description
1FF .53RHHBL1/2 300 RF HIGH HUB BLIND ASME B16.5 002 lbs
1FF .753RHHBL3/4 300 RF HIGH HUB BLIND ASME B16.5 003 lbs
1FF 13RHHBL1 300 RF HIGH HUB BLIND ASME B16.5 003 lbs
1FF 1.53RHHBL1 1/2 300 RF HIGH HUB BLIND ASME B16.5 006 lbs
1FF 23RHHBL2 300 RF HIGH HUB BLIND ASME B16.5 008 lbs
Item IDClass 600 HH High Hub Blind Flanges Description
1FF .756RHHBL3/4 600 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF .56RHHBL1/2 600 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF 16RHHBL1 600 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF 1.56RHHBL1 1/2 600 RF HIGH HUB BLIND ASME B16.5 008 lbs
1FF 26RHHBL2 600 RF HIGH HUB BLIND ASME B16.5 010 lbs

What is High Hub Blinds Flange

Hub Blind Flange is a flange with a hub in the center. It allows for connection with other equipment without coming into contact with media or pressure inside the hub. The Blind Flange creates an effective seal between two pipes, protecting the interior from outside impurities and preventing leaks.

Advantages of Using Hub Blind Flange

Easy to install.
One of the key benefits of hub blind flanges is their ease of installation. This is because they do not necessitate welding, which may be time-consuming and challenging. Furthermore, hub blind flanges form a tight seal, preventing leaking.

Durable
Another advantage of hub blind flanges is that they are extremely durable. This is because they are built of high-quality materials that can withstand extreme temperatures and pressures. Furthermore, hub blind flanges are less prone to corrosion than other types of flange.

Cost-effective
Another advantage of hub blind flanges is that they are very inexpensive. This is because they cost less to build than other types of flanges. Furthermore, hub blind flanges survive longer than other types of flanges, resulting in long-term cost savings.

High Hub Blinds Flanges Applications

Oil and Gas Processing Dairy and Food Processing
Desalination Pesticides
Pulp and Paper Sugar Factory
Energy industries Power Plants
Ship Building Fertilizers
Machine Building Nuclear
Pharmaceuticals Chemicals
Textile Machinery Synthetic Fibers
Construction Modern Architecture
Refinery & Petrochemicals Water treatment facilities

High Hub Blinds Flanges Marking

Every Standards have clearly requirements for steel flanges’ marking style, usually the marking words include seller’s Logo, buyer’s Logo (OEM), standard number, flange’s type, flange’s pressure, flange’s size, flange’s material, place of origin, heat number and other words for convenient to trace. If the flanges repaired by welding, it must mark on flanges showing this flange repared by welding. If the flange’s dimensions (OD, ID, PCD, Thickness, Holes number, Holes diameter, Tolerance etc) are different with the normal standard, it also must mark on flanges where it is different with normal ones. Another important place is heat number marking, it is the tracing base for every piece flange, and from the heat number we can trace to the beginning of raw material import.

  • The Marking Style for European Standards Flanges, DIN, UNI, EN 1092-1 norms etc
    LOGO, EN 1092-1, TYPE 01, PN16, DN80, 88.9, P265GH, HEAT NUMBER
  • The Marking Style for ANSI, ASME Standards Flanges, ANSI, ASME, AWWA norms etc LOGO, ASME B16.5, CLASS 150#, SLIP-ON RF, A105, HEAT NUMBER
  • The Marking Style For JIS, KS norms etc, special with KS Mark
    LOGO, JIS B2220, 5K, 80A, SOP, SF440A, HEAT NUMBER, KS MARK
  • The Marking Style for BS 4504 norms etc
    LOGO, BS 4504, WELD NECK, PN40, DN80, RSt37.2, HEAT NUMBER
  • The Marking Style for GOST 12820, GOST 12821 norms etc
    LOGO, GOST 12820, PN1.6MPA, DN80, Q235B, HEAT NUMBER
  • The Marking Style for SABS 1123, SANS 1123 norms etc
    LOGO, SABS 1123, CLASS 4000/3, NB80, A105, HEAT NUMBER

High Hub Blinds Flanges for Shipping, Handling, and Packaging

Carbon Steel High Hub Blinds Flanges and Stainless Steel Socket Weld Flanges are delivered with or without surface protection, as determined by the manufacturer.

The company delivers High Hub Blinds Flanges in standard packaging, without surface protection or end protectors (caps). Special packaging, protective covers, and end protectors (caps) can be agreed upon.

Steel Flanges
Other Flanges
Other Products
Global Supplier Contries
Angola
Australia
Austria
Bahrain
Belgium
Brazil
Canada
Chile
Denmark
Egypt
France
Germany
India
Indonesia
Iran
Israel
Italy
Japan
Jordan
Kazakhstan
Kuwait
Malaysia
Maxico
Morocco
Netherlands
Nigeria
Oman
Philippines
Poland
Qatar
Romania
Russia
Saudi Arabia
Singapore
South Africa
South Korea
Spain
Sweden
Switzerland
Taiwan
Thailand
Turkey
UAE
UK
USA
Venezuela
Vietnam
Zambia
Copyright © 2025 Nishra Overseas LLP All Rights Reserved.