Click to enlarge

NW40 Flexible Metal Hose
4" OAL
Thin Wall

NW40 to 4" Flexible Metal Hose (Bellows)
4" OAL (Short Bellows)
Vacuum Essential

• NW40 (KF40) Flange OD: Ø2.18"
• NW40 Centering Ring Counter Bore: 1.62"
• Nominal Hose ID: 1.5"
• 304 Stainless Vacuum Hose
• Hydraulically Formed (Hydro) High Vacuum Bellows
• NW40 Flexible Coupling (Nipple)
• Thin Wall: 0.006"

NW40 High Vacuum Flange Equivalents
KF40, KF-40, K150, NW-40, QF40, ISO-QF

Image Shown For Reference Only
NW40-150-F-VE NW40-150-MH4-VE 100314915

4" Flexible Metal Bellows (NW40-F-VE)

Click to enlarge
Click to enlarge
Thin Wall
Additional Lengths, NW40

Medium/Thick Wall
Additional Lengths, NW40

Click to enlarge
All NW40 Hardware

** Vacuum Essentials Include **
• NW40 Flexible Metal Hose
2-Aluminum Wing Clamps (NW40-150-CW)
2-Stainless/Viton Centering Rings (NW40-150-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 for Reference Only