Click to enlargeNW25 UHV Centering Ring
Pack of 5

NW25 Aluminum Metal Seal Centering Rings For UHV Applications
Pack of 5

UHV Centering Rings for NW25 (KF25) Flanges:
Converts NW (KF) Series High Vacuum Fittings and Flanges to Ultra-High Vacuum (UHV)

• A: 1.57"
• C1: 1.26"
• J: 1.30"
• Knife Edge
• No Elastomer Seal, All Metal Aluminum Seal
• For sealing NW (KF) flange connections made of metal
• Temperature range from -271 to + 150 ° C
• For pressure applications up to 20 bar
• UHV applications up to 10E-11 mbar
• Radiation tolerant and nuclear applications
• Ideal for High and Ultra High Vacuum Gauges
Works with CC Series Chain Clamps
Single Use Only
NW25-100-AR-UHV-PK5 Compare to: NW-25-MS-A P103401

NW25 HV to UHV Metal Seal Centering Rings


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Click to enlarge
All NW25 Hardware

UHV Centering Rings NW (KF) Series

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Click to enlarge
NW25 (KF25) UHV Conversion Hardware

Chain Clamps

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

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certified Woman Owned Small Business (WOSB)
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