SO Flange Gr2 Gr12 ASME/ANSI B16.5 Titanium Slip On Flange Class 300 SORF Raised Face for Water Treatment Industry
SO Flange Gr2 Gr12 ASME/ANSI B16.5 Titanium Slip On Flange Class 300 SORF Raised Face for Water Treatment Industry
1.Product Introduction of ASME B16.5 Titanium Slip On Flange
Titanium slip-on flanges, conforming to ASME B16.5 standards and made from Grade 2 titanium alloy, play a crucial role in the oil and gas industry. These flanges with raised faces are designed to ensure secure and leak-free connections in pipelines and equipment subjected to high pressures and corrosive environments. This paper examines the specifications, characteristics, and applications of ASME B16.5 Grade 2 Class 150 titanium slip-on flanges with raised face, highlighting their significance in enhancing operational efficiency and reliability within the oil and gas sector.
The oil and gas industry relies heavily on robust and durable components to maintain the integrity of pipeline systems and equipment. Titanium slip-on flanges are preferred for their exceptional corrosion resistance and mechanical properties, making them suitable for demanding applications in offshore platforms, refineries, and chemical processing plants. This paper explores the structural composition, dimensional standards, and performance attributes of ASME B16.5 Grade 2 Class 150 titanium slip-on flanges with raised face, detailing their role in addressing challenges related to fluid transport, high temperatures, and aggressive media encountered in oil and gas operations.
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.
2. ASME B16.5 Titanium Slip On Flange Grade 2 and Grade 12
Composition:
Titanium Grade 2: Grade 2 titanium is a commercially pure titanium (CP titanium) alloy, containing around 99.2% titanium, with traces of oxygen, nitrogen, carbon, and hydrogen. It is the most widely used titanium grade due to its excellent corrosion resistance, formability, and weldability.
Titanium Grade 12: Grade 12 titanium is an alloyed grade, primarily composed of titanium with 0.3% molybdenum and 0.8% nickel. This alloy enhances its strength and toughness compared to Grade 2 while maintaining good weldability and corrosion resistance.
Strength and Mechanical Properties:
Titanium Grade 2: Grade 2 titanium has relatively lower strength compared to alloyed grades like Grade 12. It offers moderate strength combined with excellent ductility and formability, making it suitable for applications requiring easy fabrication and corrosion resistance.
Titanium Grade 12: Grade 12 titanium exhibits higher strength than Grade 2 due to the alloying elements molybdenum and nickel. It provides improved mechanical properties and better resistance to crevice corrosion and stress corrosion cracking in aggressive environments.
Corrosion Resistance:
Titanium Grade 2: Grade 2 titanium offers excellent corrosion resistance in oxidizing and mildly reducing environments, including seawater and chlorides. It is suitable for a wide range of industrial applications where corrosion resistance is critical.
Titanium Grade 12: Grade 12 titanium maintains good corrosion resistance similar to Grade 2 but provides enhanced resistance in more aggressive chemical environments due to its alloy composition. This makes it particularly useful in chemical processing and marine applications.
Weldability:
Titanium Grade 2: Grade 2 titanium is highly weldable using common welding techniques such as TIG (tungsten inert gas) welding and resistance welding. It retains its corrosion resistance and mechanical properties after welding.
Titanium Grade 12: Grade 12 titanium also exhibits good weldability, although special attention is needed to avoid contamination during welding. Proper procedures ensure the alloy's properties are maintained in the weld zone.
3. Specifications for ASME B16.5 Class 300 Titanium Slip On Flange
| ASME B16.5 Class 300 Titanium Slip On Flange | |||||||||
| Nom. Pipe Size |
Flange Dia. |
Flange Thick |
Hub Dia. At Base | Raised Face Dia. |
No. of Holes |
Dia. Of Bolts |
Dia. Of Bolt Circle | Bore Dia. |
Length Thru Hub |
| 1/2 | 3-3/4 | 9/16 | 1-1/2 | 1-3/8 | 4 | 1/2 | 2-5/8 | 0.88 | 7/8 |
| 3/4 | 4-5/8 | 5/8 | 1-7/8 | 1-11/16 | 4 | 5/8 | 3-1/4 | 1.09 | 1 |
| 1 | 4-7/8 | 11/16 | 2-1/8 | 2 | 4 | 5/8 | 3-1/2 | 1.36 | 1-1/16 |
| 1-1/4 | 5-1/4 | 3/4 | 2-1/2 | 2-1/2 | 4 | 5/8 | 3-7/8 | 1.70 | 1-1/16 |
| 1-1/2 | 6-1/8 | 13/16 | 2-3/4 | 2-7/8 | 4 | 3/4 | 4-1/2 | 1.95 | 1-3/16 |
| 2 | 6-1/2 | 7/8 | 3-5/16 | 3-5/8 | 8 | 5/8 | 5 | 2.44 | 1-5/16 |
| 2-1/2 | 7-1/2 | 1 | 3-15/16 | 4-1/8 | 8 | 3/4 | 5-7/8 | 2.94 | 1-1/2 |
| 3 | 8-1/4 | 1-1/8 | 4-5/8 | 5 | 8 | 3/4 | 6-5/8 | 3.57 | 1-11/16 |
| ANSI B16.5 | Titanium Flanges Pressure Rating | ||||||
| Temperature °F | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
| 650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
| 1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
| 1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
| 1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
| 1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
| 1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
| 1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
| 1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
4. Advantages of Titanium Slip On Flanges in the Industry
- Corrosion Resistance: Excellent resistance to corrosion in various aggressive environments.
- Strength-to-Weight Ratio: Provides strength and durability while remaining lightweight.
- High Temperature Resistance: Maintains mechanical properties at elevated temperatures.
- Biocompatibility: Non-toxic and biocompatible, suitable for medical and food processing applications.
- Longevity: Durable and long-lasting performance, reducing maintenance and replacement costs.
5. Applications of ANSI B16.5 Titanium Slip On Flange
- Pipeline Construction: Used to join sections of pipelines, ensuring secure and leak-free connections during fluid transport.
- Refineries and Petrochemical Plants: Installed in processing units for connecting vessels, reactors, and heat exchangers, where resistance to corrosive chemicals is essential.
- Offshore Platforms: Employed in offshore drilling rigs and production platforms to withstand marine environments and harsh weather conditions.
- Gas Processing Facilities: Utilized in compressors, pumps, and valves to maintain operational integrity and safety.
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