ISO-KF vacuum flange clamps and bolts provide the sealing force to fully compress the O-ring for a vacuum seal, and mechanical force to hold the two flange faces together. ISO-MF flanges are joined using clamps and ISO-BF flanges require bolts.
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100761006 Single Claw Flange Clamp, ISO-MF, Sizes NW63 to NW100, M8 Thread |
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$3.59 |
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100761016 Single Claw Flange Clamp, ISO-MF Sizes NW160 to NW250, M10 Thread |
In Stock
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$9.22 |
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100761106 Double Claw Flange Clamp, ISO-MF, For Sizes NW63, NW80 or NW100 |
In Stock
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$4.70 |
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100761116 Double Claw Flange Clamp, ISO-MF, For Sizes NW160, NW200 or NW250 |
In Stock
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$9.46 |
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100761206 Bolt and Nut Set, NW63 ISO-BF Flange, M8 Thread x 40 mm, Set of 4 |
In Stock
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$28.88 |
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100761208 Bolt and Nut Set, NW80 or NW100 ISO-BF Flange, M8 x 40 mm, Set of 8 |
In Stock
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$43.44 |
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100761306 Flange Bolt Set, NW63 ISO-BF, M8 Thread x 40 mm, 1.25 mm Pitch, Set of 4 |
In Stock
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$18.81 |
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Flange Bolt Set, NW80 or NW100 ISO-BF, M8 x 40 mm, 1.25 mm Pitch, Set of 8
$28.88
In Stock
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100761308 Flange Bolt Set, NW80 or NW100 ISO-BF, M8 x 40 mm, 1.25 mm Pitch, Set of 8 |
In Stock
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$28.88 |
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100761316 Flange Bolt Set, NW160 ISO-BF, M10 x 50 mm, 1.50 mm Pitch, Set of 8 |
In Stock
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$78.44 |
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100762806 Rotatable Bolt Ring, ISO-MF Size NW63 Vacuum Flange, Aluminum |
In Stock
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$135.14 |
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100762808 Rotatable Bolt Ring, ISO-MF Size NW80 Vacuum Flange, Aluminum |
In Stock
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$125.90 |
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100762810 Rotatable Bolt Ring, ISO-MF Size NW100 Vacuum Flange, Aluminum |
In Stock
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$149 |
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100762816 Rotatable Bolt Ring, ISO-MF Size NW160 Vacuum Flange, Aluminum |
In Stock
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$221.76 |
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ISO-MF vacuum flange components are a vacuum flanging system for 63 mm to 1000 mm fittings. The dimension criteria are based on requirements established by the International Standards Organization (ISO). There are two flange styles: ISO-MF (multi-fastener flange) and ISO-BF (bolted flange).
There are several advantages in the use of ISO-MF components. The seal is on a symmetrical centering ring that interfaces with two identical flanges allowing for rotation. In addition, ISO-MF flanges are more compact than ASA flanges, which were designed for pressure and are unnecessarily massive for vacuum use.
ISO-MF vacuum flanges and components are made of type 304 stainless steel. Centering ring and seal assemblies are available with an aluminum centering ring and spacer ring, or with a stainless centering ring and an aluminum spacer ring. Rotatable bolt rings and clamps are made of aluminum alloy. Retaining rings are made of steel. Flange seal surfaces are carefully machined and inspected for defects.
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