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ISO63 Short Weld Flange
304 Stainless
A: 2.51"
B: 2.37" (Thru Hole)
C: 3.74" (ISO63 Flange OD)
D: 0.25" (setback)

ISO63 Short Socket Weld Flange
ISO63 Flange OD: Ø3.74"
ISO Claw Clamp Series
ISO63 to 2-1/2" Tube OD Weld Flange (Standard)

• Internal Weld
• Self Aligning
• Accepts standard inch tubing
• Infinitely rotatable
• ISO Optional Fastener Bored Flange
• Bakeable to 200°C

ISO63 High Vacuum Flange Equivalents:
ISO-63, LF63, NW63, NW-63, Large Flange,
ISO63-250-SF Compare to: QF63-SWK 100760206 L250-W 813000 ISO-63-250-OF 4500069 LF63-250-SF P101745 88661 C10007138

ISO63 to 2.50" Tube
Short Weld Flange
304 Stainless

ISO63-250-SFPrice: $94.00Sale: $39.00

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ISO63 Series Hardware

ISO Short Weld Flanges (Stainless)

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ISO Series Weld Flanges (All)

Weldable Tube Fittings

ISO63 Flange OD: Ø3.74"
Tube OD: 2.50"

*Don't Forget Your ISO63 Series Accessories*
ISO Series Claw Clamps
ISO63 Centering Rings
ISO63 Plastic Caps

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

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
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.