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{"title":"ASTM B564 UNS N08825 Spectacle line blinds Flanges Raised Face","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/e7\/cca8bf7dd8b1984b15d79a541c10-200x200-1\/astm_b564_uns_n08825_spectacle_line_blinds_flanges_raised_face.jpg","attrs":{"Brand Name":"Metal","Model Number":"ASTM B564 UNS N08825","Certification":"EN 10204:2004","Place of Origin":"China"}}
{"title":"METAL Customized Large Diameter Carbon Flange Stainless Steel Slip-On Pipe Flat","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/ed\/0f89f6a5d76bcae5bf406d535208-200x200-1\/metal_customized_large_diameter_carbon_flange_stainless_steel_slip_on_pipe_flat_welded_flange.jpg","attrs":{"Brand Name":"TOBO","Model Number":"Flange","Certification":"BV\/ SGS\/ TUV\/ ISO","Place of Origin":"CHINA"}}
We supply spectacle blind flanges manufactured in strict compliance with ASTM A182 F91 (material standard) and ASME B16.48 (dimension standard), made from A182 F91 chromium-molybdenum alloy steel, with pressure rating Class 300 (300#) and sealing face Raised Face (RF). We also offer customized size services to meet specific project requirements.
A182 F91 is a high-performance Cr-Mo alloy steel, renowned for its exceptional high-temperature strength, creep resistance, and oxidation resistance, making it ideal for high-temperature and high-pressure piping systems. The spectacle blind design allows for quick isolation or connection of pipeline sections, with the solid blind side providing complete shut-off and the ring side enabling full flow. The RF sealing face ensures reliable leak prevention under extreme operating conditions.
Key Specifications:
Material Standard: ASTM A182
Material: F91 Chromium-Molybdenum Alloy Steel
Type: Spectacle Blind Flange
Pressure Rating: Class 300 (300#)
Sealing Face: Raised Face (RF)
Dimension Standard: ASME B16.48
Customization: Non-standard sizes available
Application: Power generation, petrochemical processing, refineries, and high-temperature/high-pressure industrial piping systems
All flanges are precision forged and undergo rigorous quality inspection, including material composition analysis, mechanical performance testing, dimensional verification, and pressure testing, to meet international industrial standards, ensuring stable performance and long service life in extreme high-temperature environments.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicians. We have five branch factories which can supply the best quality pipes, tubes, fittings flanges and related accessories.
TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia... TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia...