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ISO-B250 Weld Flange (Bolted Style)
Tube OD:  10.00"

ISO-B250 Flange OD: 13.19"
12 Bolt (Clearance) Holes

• 0.43" Bolt Hole Diameter
• 304 Stainless
• 11 lbs.
• A: 9.75"
• B: 10.02"
• C: 0.25"

ISO-B250 Flange Bolted Weld-On Flange
• ISO-B250 Internal Socket Weld Flange
• Weld Flange to 10" Tube OD
• 0.63" Flange Thickness
• Bolted Style, Use Bolts To Tighten
• High Vacuum Weld Flange

ISO-B250 High Vacuum Flange Equivalents
LFB250, NW250, NW-250, Bolted Large Flange
ISO-B250-1000-SF compare to: QF250-SWF LFB250 4500140 LFB250-1000-SF ISO-250-1000N P104114 850004 L1000-BW 100762425 IS2501000BBB ISOB-250

ISO-B250 to 10" Tube OD Stainless Weld Flange

ISO-B250-1000-SFPrice: $840.00Sale: $376.00

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ISO-B250 Centering Rings

ISO-B250 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.