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| Place of Origin | China |
| Brand Name | Kasugai |
| Model Number | Blind Flange BL |
| Document | Product Brochure PDF |
Blind Flange BL ASTM A182 ASME / ANSI B16.5
Blind Flange
Blind flanges manufactured in accordance with ASME B16.5 can be provided in Class 150 through Class 2500. It is basically a circular disc that does not have a hub or bored center. Bolts holes are drilled and aligned symmetrically along the circumferential edge of the solid disc. Generally the blind flange may be furnished with raised face (RF), ring join face (RJ), or flat face (FF). The blind flange serves a function similar to that of a plug or cap and is used to blank off the end of piping, valves and pressure vessel openings. It may be fabricated from cast, forgings, specific plates, or flat bars.
Product Information
| Product Name | Blind Stainless Steel Flange |
| Size Range | 1/2’ to 24” |
| Pressure Class | 150, 300, 400, 600, 900, 1500, 2500, |
| Standards | ASTM A182 |
| Face Type | Raised Face (RF), Ring Join Face (RJ), Flat Face (FF) |
| Dimensions | ANSI B16.5, Custom Drawings |
| Thickness | Sch5S to Sch160, XXS |
| Origin | China |
| Applications | Used in high pressure applications to seal the end of piping system or pressure vessel openings. |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, Ultrasonic flaw detector, Magnetic particle detector |
| Test Certificates | Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report |
Advantages & Disadvantages: Applications
Since it is bolted, the blind flange provides easy access to the interior of a vessel or pipe, unlike a cap that is welded. From the standpoint of internal pressure and bolt loading, blind flanges, particularly in large sizes, are the most high-stressed of all the standard flange types. However, since the maximum stresses in the blind flange are bending stresses at the flange center (that is robust enough to withstand the stresses), they can be safely permitted to be stressed more than other types of flanges.
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