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NW20 To NW25
Adaptive Centering Ring
304 Stainless
Viton O-Ring

NW20-25-ASR-V
NW25xNW20 Stainless Adaptive Centering Ring
Viton O'Ring

• NW20 to NW25 (KF20 to KF25)
• Centering Ring Reducing
• NW20xNW25 High Vacuum Hardware

Viton® O-Ring
• Viton (Fluorocarbon FKM)
• 200°C Maximum

Change Your Flange Size With One Centering Ring!

The use of Adapter Centering Rings is simple:
One side of the ring is NW20 and the other NW25.
By using this centering, you CONVERT a
NW20 flange size to a NW25 Flange

NW, KF, QF Series High Vacuum Flanges

NW20 (KF20) OD: 1.57" Centering Ring Counter Bore: 0.86"

NW25 (KF25) OD: 1.57" Centering Ring Counter Bore: 1.03"

NW20 Flanges Are Sometimes Used Overseas (Uncommon)


The use of Adapter Centering Rings is simple:
One side of the ring is NW20 and the other NW25.
By using this centering, you CONVERT a
NW20 flange size to a NW25 Flange

NW20 (KF20) vacuum flange size is not popular in the US,
but may be necessary to use US flanges.

NW20-25-ASR-V Compare to: 4000055 QF20/25-ACR-VT QF20-25-ASRV NW-20/25-CR P101247 K100087-CR 710011 100315823 KCA2025SV


Stainless Adaptive Ring NW20 to NW25
(NW20-25-ASR-V)

NW20-25-ASR-VPrice: $22.00Sale: $8.50

Click to enlarge
Click to enlarge
Uses NW25 Series
O-Rings



Uses NW25 Series
Clamps



Click to enlarge
All NW20 to NW25
Adaptive Rings




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.
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