Click to enlargeNW50 Long Butt Flange
Tube Size: 2.00"
*Vacuum Essential*

NW50 Long Butt Flange (Half Nipple)
NW50 (KF50) Flange OD: 2.95"
Tube Size: 2.00"
Vacuum Essential

• A: 2.00"
• B: 0.07"
• C: 1.58"
• 6061 T6 Aluminum

NW50 (KF50) Flange OD: Ø2.95"
• NW50 Tube OD: 2"
• NW50 Centering Ring Counter Bore: 2.06"

NW50 High Vacuum Flange Equivalents
KF50, KF-50, K200, NW-50, QF50, ISO-QF

NW50 Long Butt Flange Aluminum


Click to enlarge
Click to enlarge
All NW50 Hardware

NW50 Series Long Butt Flanges (All)

***This Vacuum Essential Includes***
• NW50 Long Butt Flange NW50-200-ALF
1-Aluminum Wing Clamp (NW50-200-CW)
1-Stainless/Viton Centering Ring (NW50-200-SR-V)

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.
Viton® is a registered trademark of DuPont Dow Elastomers
Images Shown May Be For Reference Only