Blind Titanium Flange
Material: GR2(F2)
Standard:ANSI/ASME/ASTM,EN-1092-1,DIN,JIS,OCT etc.
Size:1/2"~80"
Class 150 class 300 class 600 class 900 class 1500
Technique:Forged, CNC machined
Unit price:$5.9-$269/pc
Titanium UNS R50400 Pipe Flanges
Titanium Gr 2 Pipe Flanges
Titanium Gr 2 blind Flanges
MOQ: 1pc
Factory Area:3000 ㎡
Company staff:48
China's professional titanium flange manufacturer
ASME B16.5 Blind Flange:
Product Introduction of ASME B16.5 Titanium Blind Flange
ASME B16.5 Standard:
Scope: ASME B16.5 covers dimensions, tolerances, materials, marking, and testing for pipe flanges and flanged fittings.
Class 300: Class 300 flanges are designed to withstand higher pressures compared to Class 150. They are rated for pressures up to 300 pounds per square inch (psi) at ambient temperatures.
Titanium Grades:
Titanium Grade 2 (Ti Gr2): Commercially pure titanium (CP titanium) Grade 2 offers excellent corrosion resistance, formability, and weldability, making it suitable for various industrial applications where these properties are essential.
Titanium Grade 7 (Ti Gr7): Titanium Grade 7 contains palladium, enhancing its corrosion resistance in reducing and mildly oxidizing environments. It is particularly useful in chemical processing and marine applications.
Design Features:
Face Type: The blind flange may feature a raised face (RF), flat face (FF), or ring type joint (RTJ) facing to suit different sealing requirements.
Dimensions: ASME B16.5 specifies dimensions such as outside diameter (OD), bolt circle diameter (BC), bolt hole diameter (BH), and overall thickness (T) of the flange. These dimensions ensure compatibility and interchangeability with other ASME B16.5 flanges.
Our Titanium flanges undergo meticulous crafting through casting, forging, and precision machining processes to ensure they meet stringent industry standards for quality and durability. Available in custom sizes, these flanges are designed for easy installation onto pipeline systems and equipment, ensuring a secure, leak-free connection.
Engineered to uphold superior standards of precision engineering, our Titanium thread flanges deliver exceptional performance. They are optimized to effectively resist corrosion and endure high temperatures and pressures, making them highly suitable for challenging environments.
We prioritize safe transportation by securely packaging our Titanium flanges in robust wooden cases and pallets. This packaging not only protects the flanges during transit but also facilitates easy handling and installation upon arrival.
Our Titanium flanges serve a wide range of industries including pipelines, petroleum, and chemicals. They are engineered to establish reliable, leak-free connections between pipes, valves, and other equipment. Titanium's inherent durability ensures these flanges withstand the rigorous conditions prevalent in these sectors, ensuring dependable, long-term performance.
Product Information of Titanium Blind Flange:

A titanium blind flange is a type of pipe flange made from titanium that is characterized by its solid disk-like design without a central bore. It is commonly used to cap off the end of a pipeline or to close off a vessel or a pipe system temporarily or permanently.
Material and Construction:
Titanium: Known for its exceptional corrosion resistance, titanium is used in blind flanges to withstand aggressive environments such as chemical processing, marine applications, and aerospace.
Solid Disk Design: Unlike other flanges that have a center hole, blind flanges are solid in the center, providing a sealed closure for pipelines.
Function and Applications:
Pipeline Cap: Blind flanges are primarily used to seal the end of pipelines that require closure. This can be for maintenance purposes, temporary shutdowns, or as a permanent seal.
Access Point: Once installed, a blind flange provides a point of access to the pipeline system. It can be easily removed when necessary to allow inspection, cleaning, or modification of the pipeline.
Adaptability: Blind flanges can be machined to accommodate various pipe sizes. They can be customized with standard-sized pipe connections, such as threaded or welded downsizes, to fit specific piping requirements.
Benefits:
Secure Seal: Provides a secure and leak-proof seal when installed properly.
Versatility: Suitable for a wide range of industries including chemical processing, oil and gas, marine, aerospace, and more.
Durability: Titanium blind flanges are durable and resistant to corrosion, making them suitable for harsh operating conditions.

Specifications for ASME B16.5 Class 300 Titanium Blind Flange

Pipe | Flange Data | Raised Face | Drilling Data | Weight | |||||
NominalPipe Size | |||||||||
Outside Diameter | Overall Diameter | FlangeThickness min | Face Diameter | Number of Holes | Bolt Hole Diameter | Diameter of Circle of Holes | kg/piece | ||
in | in | in | in | in | in | ||||
mm | mm | mm | mm | mm | mm | ||||
1/2 | 0.840 21.30 | 3.750 95.20 | 0.560 14.20 | 1.380 35.10 | 4 | 0.620 15.70 | 2.620 66.55 | 0.64 | |
3/4 | 1.050 26.70 | 4.620 117.3 | 0.620 15.70 | 1.690 42.90 | 4 | 0.750 19.00 | 3.250 82.50 | 1.11 | |
1 | 1.315 33.40 | 4.880 123.9 | 0.690 17.50 | 2.000 50.80 | 4 | 0.750 19.00 | 3.500 88.90 | 1.39 | |
11/4 | 1.660 42.20 | 5.250 133.3 | 0.750 19.00 | 2.500 63.50 | 4 | 0.750 19.00 | 3.880 98.50 | 1.79 | |
11/2 | 1.900 48.30 | 6.120 155.4 | 0.810 20.60 | 2.880 73.15 | 4 | 0.880 22.3 | 4.500 114.3 | 2.66 | |
2 | 2.375 60.30 | 6.500 165.1 | 0.880 22.30 | 3.620 91.90 | 8 | 0.750 19.10 | 5.000 127.0 | 3.18 | |
21/2 | 2.875 73.00 | 7.500 190.5 | 1.000 25.40 | 4.120 104.6 | 8 | 0.880 22.30 | 5.880 1.493 | 4.85 | |
3 | 3.500 88.90 | 8.250 209.5 | 1.120 28.40 | 5.000 127.0 | 8 | 0.880 22.30 | 6.620 168.1 | 6.81 | |
31/2 | 4.000 101.6 | 9.000 228.6 | 1.190 30.20 | 5.500 139.7 | 8 | 0.880 22.30 | 7.250 184.1 | 8.71 | |
4 | 4.500 114.3 | 10.00 254.0 | 1.250 31.70 | 6.190 157.2 | 8 | 0.880 22.30 | 7.800 200.1 | 11.5 | |
5 | 5.563 141.3 | 11.00 279.4 | 1.380 35.00 | 7.310 185.7 | 8 | 0.880 22.30 | 9.250 234.9 | 15.6 | |
6 | 6.625 168.3 | 12.50 317.5 | 1.440 36.50 | 8.500 215.9 | 12 | 0.880 22.30 | 10.62 269.7 | 20.9 | |
8 | 8.625 219.1 | 15.00 381.0 | 1.620 41.10 | 10.62 269.7 | 12 | 1.000 25.40 | 13.00 330.2 | 34.3 | |
10 | 10.75 273.0 | 17.50 444.5 | 1.880 47.70 | 12.75 323.9 | 16 | 1.120 28.40 | 15.25 387.3 | 53.3 | |
12 | 12.75 323.8 | 20.50 520.7 | 2.000 50.80 | 15.00 381.0 | 16 | 1.250 31.70 | 17.75 450.8 | 78.8 | |
14 | 14.00 355.6 | 23.00 584.2 | 2.120 53.80 | 16.25 412.8 | 20 | 1.250 31.70 | 20.25 514.3 | 105 | |
16 | 16.00 406.4 | 25.50 647.7 | 2.250 57.15 | 18.50 469.9 | 20 | 1.380 35.00 | 22.50 571.5 | 137 | |
18 | 18.00 457.2 | 28.00 711.2 | 2.380 60.45 | 21.00 533.4 | 24 | 1.380 35.00 | 24.75 628.6 | 175 | |
20 | 20.00 508.0 | 30.50 774.7 | 2.500 63.50 | 23.00 584.2 | 24 | 1.380 35.00 | 27.00 685.8 | 221 | |
24 | 24.00 609.6 | 36.00 914.4 | 2.750 69.85 | 27.25 692.2 | 24 | 1.620 41.10 | 32.00 812.8 | 339 | |
Why We Choose Titanium Flanges in the Applications?
Titanium exhibits exceptional corrosion resistance, especially in aggressive environments such as seawater, chemical processing, and marine applications. This resistance to corrosion helps extend the lifespan of equipment and reduces maintenance costs.
Titanium has a high strength-to-weight ratio, making it significantly stronger than many other metals such as stainless steel or aluminum alloys while being much lighter. This property is crucial in aerospace, marine, and automotive industries where weight savings are critical.
Titanium is biocompatible and non-toxic, making it ideal for medical implants such as orthopedic implants and surgical instruments. It integrates well with the human body and minimizes the risk of adverse reactions.
Titanium retains its mechanical properties at elevated temperatures, making it suitable for applications where thermal stability is required. This includes aerospace components and industrial processes involving high heat.
Titanium has a low coefficient of thermal expansion, similar to stainless steel. This property helps maintain dimensional stability in various temperature conditions, ensuring reliability in critical applications.
Titanium is known for its durability and long service life, even in harsh operating conditions. This makes it a cost-effective choice over the long term, despite its higher initial cost compared to some other materials.
Titanium plate flanges are preferred in industries where their unique combination of properties is essential, such as aerospace, chemical processing, desalination plants, and offshore oil rigs.
Titanium Blind Flange Inspections
Visual Testing (VT): This involves inspecting the surface of the weld and the flange visually to detect any visible defects such as cracks, porosity, or improper weld profiles.
Ultrasonic Testing (UT): This technique uses high-frequency sound waves to detect internal defects within the material, such as voids, inclusions, or cracks. It's particularly useful for thicker sections of titanium welds.
Radiographic Testing (RT): This method uses X-rays or gamma rays to produce images of the internal structure of the weld and flange. It's effective for detecting internal defects and assessing weld quality.
Magnetic Particle Testing (MT): MT is used to detect surface and near-surface defects in ferromagnetic materials. However, since titanium is not ferromagnetic, this method might not be applicable unless there are magnetic materials nearby or coatings that can be magnetized.
Penetrant Testing/Dye Penetrant (PT): PT involves applying a dye penetrant to the surface of the weld and then removing excess dye to reveal surface-breaking defects. This method is useful for detecting small cracks, porosity, and leaks.
Eddy Current Testing (ET): ET uses electromagnetic induction to detect surface and near-surface defects in conductive materials like titanium. It's useful for detecting corrosion, cracks, and variations in material properties.
Acoustic Emission (AE): AE involves monitoring the acoustic emissions from a material under stress to detect changes indicative of defects like cracks or leaks. It can be used for both weld and base material inspection.
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