FLANGE BL RTJ, Class 900, ASTM A182 F11

Product Description – Blind Flange (BL RTJ)

Brand: KSG (Kasugai Co., Ltd., Japan)
Product: Blind Flange (RTJ Type)
Standard: ASME B16.5
Pressure Rating: Class 900
Material: ASTM A182 F11 (Alloy Steel)
Type: RTJ (Ring Type Joint) Facing

Overview

KSG Blind Flange (BL RTJ) Class 900 is designed to seal the end of high-pressure piping systems. Manufactured from high-quality ASTM A182 F11 alloy steel, it ensures excellent mechanical strength, high temperature resistance, and long service life under demanding conditions.

The RTJ facing provides a reliable, leak-proof sealing performance, making it suitable for critical applications where safety and tight sealing are essential.

Key Features

• High strength alloy steel (F11) for elevated temperature service
• RTJ sealing design for superior leak tightness
• Suitable for high-pressure systems (Class 900)
• Precision machining and strict quality control (Japan standard)
• Long service life with excellent corrosion and creep resistance

Applications

• Oil & Gas (Upstream / Midstream / Refinery)
• Petrochemical plants
• Power generation (thermal / combined cycle)
• High-pressure steam and pipeline systems
• Shut-off points for maintenance and inspection

Advantages for Stockists

• Stable Japanese quality – suitable for long-term supply programs
• Widely used specifications – easy to distribute and stock
• Compatible with international standards (ASME / ASTM)
• Reliable performance reduces after-sales risk

Optional Services

• EN 10204 3.1 / 3.2 certification
• NACE compliance (upon request)
• Custom marking & traceability
• Anti-rust protection & export packaging