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NW50 Replacement Viton (Fluorocarbon) O-Ring
A: 0.21"
B: 2.10"

NW50 (KF50) Replacement Viton (FKM) O'Rings
Fits NW50, KF50, QF50 Centering Rings
Pack of 10 NW50-200-OV Viton O-Rings

Viton (FKM) O-Ring:
• 200°C Maximum
• Viton (Fluorocarbon) O'Ring
• NW50 (KF50) Replacement Elastomer Seals

NW50 High Vacuum Flange Equivalents
KF50, KF-50, K200, NW-50, QF50, ISO-QF

NW50 Viton O-Rings

NW50-200-OV10Price: $219.50Sale: $32.00

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NW50 Series Centering Rings

NW50 O-Rings (All)

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Click to enlarge
NW50 Series Clamps

All NW50 Hardware

NW50 Flange OD: Ø2.95"

***NW50 Flange Accessories Available Below***
NW50 Centering Rings
NW50 Clamps, All Types
NW50 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