Click to enlargeViton
NW40 Replacement O-Ring 
A: 0.21"
B: 1.60"

NW40-150-OV
NW40 (KF40) Replacement Viton (FKM) O'Ring
Fits NW40 Standard & Adaptive Centering Rings

NW40 Viton (Fluorocarbon, FKM) ORing
• 200°C Maximum
• Viton (Fluorocarbon) O'Ring
• NW40 (KF40) Replacement Elastomer Seal

NW40 High Vacuum Flange Equivalents
KF40, KF-40, K150, NW-40, QF40, ISO-QF
NW40-150-OV Compare to: 100314005, KG40V, 711002, K150-O, O-V326 200 degrees P101219


NW40 Viton O-Ring
(NW40-150-OV)

NW40-150-OVPrice: $8.80Sale: $3.00

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Click to enlarge
NW40 O-Rings (All)


NW40 Centering Rings


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NW40 to NW32 Adaptive Rings


All NW40 Hardware



**NW40 Flange Accessories Available Below**
NW40 Centering Rings
NW32 to NW40 Adaptive Centering Ring

NW40 Clamps, All Types
NW40 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
info@ldsvacuum.com

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