Click to enlargeNW40 To NW25 
Straight Reducing Nipple

NW40 to NW25 (KF40 to KF25)
Straight Reducer (Reducing Nipple)

• NW40xNW25, KF40xKF25, QF40xQF25
• NW25xNW40, KF25xKF40, QF25xQF40
• 304 Stainless Steel
• 1.70" OAL
Flange to Flange Straight Tube Adapter

NW25 (KF25) Flange OD: Ø1.57"
• NW25 Centering Ring Counter Bore: 1.03"

NW25 High Vacuum Flange Equivalents
KF25, KF-25, K100, NW-25, QF25, ISO-QF

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

Flange to Flange Adapter Fitting
Comparable to KF40xKF25 NW40xNW25 QF40XQF25 732003 KRS2405 KF40X25 2NR-NW-40-25 P103458 4000428 QF40X25 NW25xNW40 NW25x40 4518K32

NW40 To NW25 Reducer

NW40x25Price: $72.79Sale: $39.00

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All NW25 Hardware

All NW40 Hardware

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NW to NW Reducers

NW Ring and Clamp Assemblies

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NW Clamps - All Types

NW Centering Rings

NW Series Flange Sizing Chart

LDS Custom Nipple Fabricator

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.
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