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Baoji Lihua Nonferrous Metals Co., Ltd.
Baoji Lihua Nonferrous Metals Co., Ltd.
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Class 900 Titanium Blind Flange | High Pressure | Polished Surface

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Class 900 Titanium Blind Flange | High Pressure | Polished Surface

Brand Name : LHTi

Model Number : Titanium flange

Place of Origin : China

Pressure Class : Class 900 (900lb)

Material Grade : Grade 2, Grade 5, Grade 7, Grade 12

Surface Treatment : Fine Polishing / Mirror Finish (Ra ≤ 0.4μm)

Testing : 100% Ultrasonic Testing (UT), PT Testing

Face Type : RTJ (Ring Joint) or RF (Raised Face)

Pressure Limit : 2250 psi (155 bar)

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Class 900 Titanium Blind Flange | High Pressure | Polished Surface
Our Class 900 Titanium Blind Flanges are built to withstand extreme pressure environments in offshore and heavy chemical industries. These solid disks are used to block off a section of pipe or a nozzle on a vessel that is not in use, ensuring a leak-proof termination under high-stress conditions.
Feature Specification
Pressure Class Class 900 (900lb)
Material Grade Grade 2, Grade 5, Grade 7, Grade 12
Standard ASME B16.5 / ANSI B16.5
Surface Treatment Fine Polishing / Mirror Finish (Ra ≤ 0.4μm)
Testing 100% Ultrasonic Testing (UT), PT Testing
Face Type RTJ (Ring Joint) or RF (Raised Face)
Customization Available for non-standard thickness & PCD
Class 900 Titanium Blind Flange | High Pressure | Polished Surface
Engineered for High-Pressure Safety
  • Forged Strength: To meet the Class 900 rating, our flanges are forged to refine the grain structure, ensuring the titanium can handle rapid pressure fluctuations without fatigue.
  • Advanced Polishing Service: The fine polishing surface treatment removes microscopic surface defects that could lead to stress corrosion. This is critical for high-pressure systems where any surface irregularity can be a point of failure.
  • Strict Quality Control: Every 900lb blind flange undergoes Ultrasonic Testing (UT) to guarantee there are no internal cracks or inclusions, providing 100% reliability for critical infrastructure.
Frequently Asked Questions
Q: What is the pressure limit for a Class 900 Titanium Flange?
A: A Class 900 flange is rated for approximately 2250 psi (155 bar) at ambient temperatures, depending on the specific titanium grade and operating temperature.
Q: Why is polishing recommended for high-pressure blind flanges?
A: Polishing reduces the surface roughness (Ra value), which minimizes the risk of pitting corrosion and ensures a better seal when used with high-pressure gaskets like RTJ rings.

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