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3.38" OD Conflat to NW40	
Conical Reducer
A: 2.16"
B: 3.38"
C: 2.75"

338xNW40-CR
NW40 (KF40) to 3.38" OD Conflat Flange (CF)

• Conical Reducing Nipple
• Flange to Flange Conical Reducer
• High Vacuum Adapter
OD Polish

NW40 (KF40) Flange OD: Ø2.18"
• NW40x338-CR, NW40xDN50CF
• NW40 Tube OD: 1.5"
• NW40 Centering Ring Counter Bore: 1.62"

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



3.38" OD Conflat Flange (CF):
• DN50CFxNW40, DN50CFxKF40
• Non-Rotatable
• 2" Tube OD
• 8 Clearance (Thru) Holes
• 0.332" Bolt Hole Diameter

3-3/8" OD Conflat Flange (CF) Equivalents:
338CF, CF338, DN50CF, NW50CF, 3.375" Del Seal
338xNW40-CR Compare to: P103821 338XQF40-CR 5000698 ANC-NW-40-338 CF338XQF40-200X150-CR-2.75 338xNW40-CR-VE NW40x338-CR-VE


3.38" OD Conflat to NW40
Conical Reducer
(338xNW40-CR)

338xNW40-CRPrice: $199.26Sale: $122.00

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3.38" OD Conflat Series Hardware


All NW40 Hardware


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NW to Conflat Adapters (ALL)


Make Your Own!



***NW40 Flange Accessories Available Below***
NW40 Centering Rings
NW40 Clamps, All Types
NW40 Plastic Caps


3-3/8" OD CF Conflat Flange
• 8 Clearance (Thru) Bolt Holes
• 0.332" Bolt Hole Diameter

**3.38" OD Conflat Flange Accessories Below**
3.38" OD Conflat Flange - Bolt Kits
3.38" OD Conflat Flange - Copper Gaskets
3.38" OD Conflat Flange - Viton Gaskets
3.38" OD Conflat Flange – Plastic Caps

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