Click to enlargeNW40 to 4.50" OD CF
Tube OD: 1.50"
A: 2.16"
B: 4.50"
C: 1.96"
*Vacuum Essential*

NW40x450-VE
NW40 (KF40) to 4.50" OD Conflat Flange (CF)
Vacuum Essential

NW40xDN63CF, KF40xDN63CF, DN63CFxNW40
• Straight Reducing Nipple
• Flange to Flange Straight Reducer
• High Vacuum Adapter (450xNW40)

NW40 (KF40) Flange OD: Ø2.18"
• NW40 Centering Ring Counter Bore: 1.62"

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



4-1/2" OD Conflat Flange (CF):
• Non-Rotatable
• 8-Clearance (Thru) Holes
• 0.332" Bolt Hole Diameter

4.50" OD Conflat Flange (CFF) Equivalents
• 450CF, DN63CF, NW63CF, CF63, CF64 CF450
450xNW40-VE KF40x450-VE 450xKF40-VE Del Seal CF to Kwik-Flange KF


NW40 to 4.50" Conflat
Straight Reducer
(NW40x450-VE)

NW40x450-VE$254.00

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All NW40 Hardware


4.50" OD Conflat Series Hardware


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NW to Conflat Adapters (ALL)


Make Your Own!



**This Vacuum Essential Includes**
Straight Reducer, NW40x450
1-Aluminum Wing Clamp (NW40-150-CW)
1-Stainless/Viton Centering Ring (NW40-150-SR-V)

1-Bolt Kit, Fits: 4.50" OD Conflat (450-BK)
10 Copper Gaskets, Fits: 4.50" OD Conflat (450-CG)

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or
info@ldsvacuum.com

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