Adaptive Centering Rings <br> NW20 To NW25

NW25xNW20 Adaptive Centering Ring
NW20 to NW25 (NWxNW)
• KF20 to KF25 (KF20-KF25)
• QF20 to QF25
• Centering Ring Reducing
• High Vacuum Hardware

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.

Uses NW25 Series Clamps



Stainless Adaptive Centering Ring NW20 to NW25 (NW20-25-ASR-V) Viton O-Ring Price: $22.00 Sale: $8.50		Aluminum Adaptive Centering Ring NW20 to NW25 (NW20-25-AAR-V) Viton O-Ring Price: $10.00 Sale: $8.50



Stainless Adaptive Centering Ring NW20 to NW25 (NW20-25-ASR-S) Silicone O-Ring Price: $14.00 Sale: $9.50		Aluminum Adaptive Centering Ring NW20 to NW25 (NW20-25-AAR-S) Silicone O-Ring $9.50



Stainless Adaptive Ring NW20 to NW25 (NW20-25-ASR-B) Buna-N O-Ring Price: $17.00 Sale: $8.50		Aluminum Adaptive Centering Ring NW20 to NW25 (NW20-25-AAR-B) Buna-N O-Ring $8.50



Stainless Adaptive Centering Ring NW20 to NW25 (NW20-25-ASR) NO O-Ring $8.00		Aluminum Adaptive Centering Ring NW20 to NW25 (NW20-25-AAR) NO O-Ring $8.00



NW25 Clamps, All Types		NW25 O-Rings (All)

**Use NW25 Clamps To Fasten These Rings**
NW25 Series Clamps
Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or
info@ldsvacuum.com

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certified Woman Owned Small Business (WOSB)
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