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| Brand Name : | YUHONG |
| Model Number : | ASTM A105, ASTM A 181, ASTM A 182, GR F1, F11, F22, F5, F9, F91 |
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ASTM A182 F53 Super Duplex Steel Spectacle Figure Eight Blind Flange B16.48
A Spectacle Figure Eight Blind Flange (commonly called a Spectacle Blind Flange) per ASME B16.48 is a piping component used to either fully open or fully close a pipeline. It consists of two discs connected by a small section of metal—one solid plate (to block flow) and one with a hole (to allow flow). The flange is typically rotated to switch between open and closed positions.
A Spectacle Blind Flange is a safety device used in piping systems to either allow or block flow. It consists of two metal discs connected by a bar:
It is typically rotated between these two positions during maintenance or system isolation. Materials: Carbon steel (ASTM A105), stainless steel (ASTM A182 F316/F304), alloy steel, duplex, and special alloys |
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Applications:
Test Certificate
Manufacturer Test Certificate as per EN 10204 / 3.1B

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