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ISO Blank Flange Bolted
Material： SS304, SS316
An ISO Bolted Blank Flange is a type of vacuum flange used in high-vacuum applications. It is a circular plate with bolt holes that are used to close off an unused vacuum port or to create a vacuum-tight seal. The flange is bolted onto a matching ISO flange using bolts and nuts to create a tight seal.
ISO Bolted Blank Flanges are typically made of stainless steel and are available in various sizes and materials to fit a wide range of vacuum systems. They are commonly used in vacuum chambers and other vacuum applications where a secure and leak-free seal is necessary.
| Specification | A | B | C | D*No | P.C.D |
| ISO63BFB | 130 | 70 | 12 | 9*4 | 110 |
| ISO80BFB | 145 | 83 | 12 | 9*8 | 125 |
| ISO100BFB | 165 | 102 | 12 | 9*8 | 145 |
| ISO125BFB | 200 | 127 | 12 | 11*8 | 175 |
| ISO160BFB | 225 | 153 | 16 | 11*8 | 200 |
| ISO200BFB | 285 | 213 | 16 | 11*8 | 260 |
| ISO250BFB | 335 | 261 | 16 | 11*8 | 310 |
| ISO320BFB | 425 | 318 | 20 | 14*8 | 395 |
|
ISO400BFB |
510 | 400 | 20 | 14*8 | 480 |
| ISO500BFB | 610 | 501 | 20 | 14*8 | 580 |
| ISO630BFB | 750 | 651 | 24 | 14*8 | 720 |
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