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A back bevel on the knife-edge improves the seal by making it more tolerant to thermal cycles, as well as enhancing its durability.

When size requirements for demountable flanges exceed that of standard Atlas CF™ flanges, Atlas Wire-Seal flanges are the choice. These large, lightweight flanges enable you to utilize the many superior vacuum, physical, chemical and nuclear properties of UHV aluminum vacuum chambers. Atlas Wire-Seal flanges are made from large-area Atlas explosion welded material.

These flanges provide 316L stainless steel for the sealing surface to crush a wire gasket and 6061-T6 aluminum flange body for weld-up to Atlas plate, cylindrical, spherical, monocoque, or extruded chambers. All wire-seal flanges are vacuum tested and guaranteed leak tight to a rate of 1×10 -9 cc/sec of He prior to shipping.

A male and female flange compresses a 0.080 inch diameter OFHC copper wire to affect a seal.



Flange Diameter Tube Through Bore Counter Bore Depth Bolt Circle Size Holes Hole Diameter Thickness Part Number Files Actions
12.38" 10" Domed Blank 11.343" 24 0.375" (24) 2.33" WSBI-1238-02
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12.38" 10" Ø9.75" (248) Through 0.50" (12.7) 11.343" 24 0.375" (24) 1.125" WSBI-1238-01
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14.63" 12" Ø11.75" (298) Through 0.50" (12.7) 13.593" 32 0.375" (24) 1.125" WSBI-1463-01
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14.63" 12" Domed Blank 13.593" 32 0.375" (24) 2.33" WSBI-1463-02
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17.25" 14" Ø13.75" (349) Through 0.50" (12.7) 15.718" 36 0.5" (20) 1.125" WSBI-1725-01
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17.25" 14" Domed Blank 15.718" 36 0.5" (20) 2.6" WSBI-1725-02
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19.56" 16" Ø15.75" (400) Through 0.50" (12.7) 17.875" 36 0.5" (20) 1.312" WSBI-1956-01
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19.56" 16" Domed Blank 17.875" 36 0.5" (20) 3.04" WSBI-1956-02
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22.13" 18" Ø17.75" (451) Through 0.50" (12.7) 20.187" 36 0.625" (18) 1.5" WSBI-2213-01
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22.13" 18" Domed Blank 20.187" 36 0.625" (18) 3.5" WSBI-2213-02
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27.13" 24" Ø23.75" (603) Through 0.50" (12.7) 25.843" 40 0.625" (18) 1.75" WSBI-2713-01
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27.13" 24" Domed Blank 25.843" 40 0.625" (18) 4.43" WSBI-2713-02
Add
Flange Diameter Tube Through Bore Counter Bore Depth Bolt Circle Size Holes Hole Diameter Thickness Part Number Files Actions
12.38" 10" Ø9.75" (248) Through 0.50" (12.7) 11.343" 24 0.375" (24) 1.125" WSBI-1238-03
Add
12.38" 10" Domed Blank 11.343" 24 0.375" (24) 2.33" WSBI-1238-04
Add
14.63" 12" Ø11.75" (298) Through 0.50" (12.7) 13.593" 32 0.375" (24) 1.125" WSBI-1463-03
Add
14.63" 12" Domed Blank 13.593" 32 0.375" (24) 2.33" WSBI-1463-04
Add
17.25" 14" Ø13.75" (349) Through 0.50" (12.7) 15.718" 36 0.5" (20) 1.125" WSBI-1725-03
Add
17.25" 14" Domed Blank 15.718" 36 0.5" (20) 2.6" WSBI-1725-04
Add
19.56" 16" Ø15.75" (400) Through 0.50" (12.7) 17.875" 36 0.5" (20) 1.312" WSBI-1956-03
Add
19.56" 16" Domed Blank 17.875" 36 0.5" (20) 3.04" WSBI-1956-04
Add
22.13" 18" Ø17.75" (451) Through 0.50" (12.7) 20.187" 36 0.625" (18) 1.5" WSBI-2213-03
Add
22.13" 18" Domed Blank 20.187" 36 0.625" (18) 3.5" WSBI-2213-04
Add
27.13" 24" Ø23.75" (603) Through 0.50" (12.7) 25.843" 40 0.625" (18) 1.75" WSBI-2713-03
Add
27.13" 24" Domed Blank 25.843" 40 0.625" (18) 4.43" WSBI-2713-04
Add