Click to enlarge

ISO80 Short Weld Flange
6061-T6 Aluminum
Tube OD: 3.00"
A: 3.01"
B: 2.87" (Thru Hole)
C: 4.33" (ISO80 Flange OD) 
D: 0.25" (Setback)

ISO80 Short Weld Vacuum Flange
6061-T6 Aluminum
3" Tube OD

• Internal Weld
• Self Aligning
• Accepts standard inch tubing
• Infinitely rotatable
• ISO Optional Fastener Bored Flanges
Overstock Price! SAVE OVER 50%

ISO80 (ISO-K) Series
• High Vacuum Flange OD: Ø4.33"
• 3" Tube OD
• ISO-K Claw Clamp Style

ISO80 High Vacuum Flange Equivalents:
ISO-80, LF80, NW80, NW-80, Large Flange,
ISO80-300-ASF 4500079 LF80-300-ASF

ISO80 Short Weld Flange Aluminum

ISO80-300-ASF-OSPrice: $54.00Overstock: $23.00

Click to enlarge
Click to enlarge
ISO80 Series Hardware

ISO Short Weld Flanges (Stainless)

Click to enlarge
Click to enlarge
ISO Series Weld Flanges (All)

Weldable Tube Fittings

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.
Images Shown May Be For Reference Only

There is a global helium shortage. Each time an MRI is performed, helium is used. Please rethink your helium balloon purchase. Save helium for science.