ISO LF flanges offer larger diameters than ISO KF flanges and withstand higher pressures. Scientific Vacuum Sales & Support, Inc. has the most in-demand sizes available in-stock.
ISO LF Flanges Ready for Immediate Shipment
Our inventory includes the two most frequently used ISO LF flanges:
- ISO LF NW63 weld 2½”, bolt
Scientific Vacuum Sales & Support, Inc. may have other ISO LF flange sizes and assemblies available in-stock, and we can order any item you need. Please contact us if you require another standard ISO LF flanges size (80, 100, 160, 200, 250, 320, 400, 500 and 630).
All ISO LF flanges are sold with the necessary hardware, including O-ring, clamp and/or nut and bolt. If you only need replacement components, please contact us.
A Note about LF Flange Sizing
Components are available to allow ISO flanges to connect to one another—ISO KF à ISO LF and ISO LF à ISO LF. If you need reducers and other connecting components, please contact us. We can help you get the right sizes and ensure all hardware is included.
Consult with an Experienced Technician before Ordering
All vacuum products from Scientific Vacuum Sales & Support, Inc. come with the standard manufacturer’s warranty (one year) and may be returned within 30 days of delivery date. However, to be returned, all flanges must be in their original, unopened packaging.
To spare yourself the hassle and delays that result from inaccurate orders and returns, please contact us. The technicians at Scientific Vacuum Sales & Support, Inc. have more than 20 years of experience. We can help you identify the right size ISO LF flanges and components you need and get them shipped to you right away.