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ISO-B80 Weld Flange (Bolted)
Tube OD: 3"

ISO-B80 Internal Socket Weld Flange
ISO-B80 Flange OD: 5.71"
8 Bolt (Clearance) Holes
New Thru Hole Dimension: 2.93"

• 0.35" Bolt Hole Diameter
• 4 lbs.
• 304 Stainless

ISO-B80 Flange Bolted Weld-On Flange
• Weld Flange to 3" Tube OD
• 0.63" Flange Thickness
• Bolted Style, Use Bolts To Tighten
• High Vacuum Socket Weld Flange

ISO-B80 High Vacuum Flange Equivalents
LFB80, NW80, NW-80, Bolted Large Flange
ISO-B80-300-SF compare to: QF80-SWF IS0800300BBB 850008 L300-BW ISO-80-300N 4500136 LFB80-300-SF P101751 100762408

ISO-B80 to 3.00" Tube OD Stainless Weld Flange

ISO-B80-300-SFPrice: $148.84Sale: $74.00

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ISO-B80 Centering Rings

ISO-B80 Bolt Kit

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ISO Bolted Blanks

ISO Bolted Weld Flange

Technical Info on ISO Bolted Style Flanges

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

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The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.