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NW25 Centering Ring
304 Stainless with Silicone O-Ring
A: 0.98"
B: 0.21"

• NW25 (KF25) Series
• Stainless Centering Ring
• Silicone O-Ring
• NW25 (KF25) High Vacuum Hardware

NW25 Series Stainless Centering Ring
With Silicone O-Ring

Silicone Replacement O'Ring
• 200°C Maximum
• Chemical Applications

Fits NW25 Flange Series Equivalents:
KF25, KF-25, K100, NW-25, QF25, ISO-QF
NW25-100-SR-S Compare to 100317303 710022 QF25-100-SR-S QF25-100-SRS K100-CRS 4000016 NW-25-CR-SS QF25-100-CTR-SN

NW25 Centering Ring (NW25-100-SR-S)
NW25-100-SR-SPrice: $10.00Sale: $6.00

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All NW25 Hardware

NW25 Clamps, All Types

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NW25 Ring and Clamp Assembly

NW25 O-Rings (All)

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Centering Rings WITHOUT O-Ring

NW25 Mesh Screen Rings

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NW Overpressure Ring

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.
Images Shown May Be For Reference Only

There is a global helium shortage. Each time an MRI is performed, helium is used. Please rethink your helium balloon purchase.