Click to enlargeNW25 Replacement O-Ring
Viton (Fluorocarbon, FKM) 
A: 0.21"
B: 1.10"

NW25 (KF25) Replacement Viton (FKM) O'Rings
Fits NW25 Standard & Adaptive Centering Rings
Pack of 10 NW25-100-OV Viton O-Rings

NW16 Viton (Fluorocarbon, FKM) ORing
• 200°C Maximum
• Viton (Fluorocarbon) O'Ring
• NW25 (KF25) Replacement Elastomer Seals

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

NW25 Viton O-Rings

NW25-100-OV10Price: $80.00Sale: $24.00

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NW25 O-Rings (All)

NW25 Centering Rings

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NW25 to NW20
Adaptive Centering Rings

All NW25 Hardware

**NW25 Flange Accessories Available Below**
NW25 Centering Rings
NW20 to NW25 Adaptive Centering Ring

NW25 Clamps, All Types
NW25 Plastic Caps

Viton® (Fluorocarbon, FKM) O-Ring:
200°C Maximum
• Viton® (Fluorocarbon, FKM)
is normally used in vacuum service. Viton® has a low porosity to most gases and withstands high temperatures up to 200°C for short periods.

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.
Viton® is a registered trademark of DuPont Dow Elastomers