Click to enlargeNW50 Centering Rings Aluminum or 304 SS

NW50 (KF50) Flange Centering Ring with O-Ring
• Buna-N (Nitrile NBR): 100°C Max
• Viton (Fluorocarbon, FKM): 200°C Max
• Silicone (Chemical Series): 200°C Max
• NW50 (KF50, QF50) High Vacuum Hardware
• NW50 (KF50) Flange OD: Ø2.95"

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

NW, KF, QF Series High Vacuum Flanges

NW50 (KF50) OD: 2.95" – Centering Ring Counter Bore: 2.06"





NW50 Centering Ring <br> (NW50-200-SR-V)
NW50 Centering Ring <br> (NW50-200-AR-V)
NW50 Centering Ring
(NW50-200-SR-V)

Stainless - Viton Ring
Price: $22.25
Sale: $10.00
NW50 Centering Ring
(NW50-200-AR-V)

Aluminum - Viton Ring
Price: $15.85
Sale: $9.00
NW50 Centering Ring <br> (NW50-ARB-PK25)
NW50 Centering Ring <br> (NW50-ARV-PK25)
NW50 Centering Ring
(NW50-ARB-PK25)

Aluminum - Buna Ring
PACK OF 25!
Price: $300.00
Sale: $143.00
NW50 Centering Ring
(NW50-ARV-PK25)

Aluminum - Viton Ring
PACK OF 25!
Price: $396.25
Sale: $189.00
NW50 Centering Ring <br> (NW50-200-SR-B-OS)
NW50 Centering Ring <br> (NW50-200-AR-B)
NW50 Centering Ring
(NW50-200-SR-B-OS)

Stainless - Buna Ring
Price: $17.69
Overstock: $6.10
NW50 Centering Ring
(NW50-200-AR-B)

Aluminum - Buna Ring
Price: $12.00
Sale: $6.50
NW50 Centering Ring <br> (NW50-200-SR-S)
NW50 Centering Ring <br> (NW50-200-AR-S)
NW50 Centering Ring
(NW50-200-SR-S)

Stainless - Silicone Ring
Price: $16.00
Sale: $10.00
NW50 Centering Ring
(NW50-200-AR-S)

Aluminum - Silicone Ring
Price: $13.00
Sale: $10.00
Click to enlarge
Click to enlarge
NW50 O-Rings (All)

NW50 Mesh Screened Centering Rings

NW50 Centering Ring Without O-Ring <BR> (NW50-200-SR)
NW50 Centering Ring Without O-Ring <BR> (NW50-200-AR)
NW50 Centering Ring Without O-Ring
(NW50-200-SR)

Stainless
$6.00
NW50 Centering Ring Without O-Ring
(NW50-200-AR)

Aluminum
$5.00
NW50 HV to UHV Metal Seal Centering Ring <br> NW50-200-AR-UHV
NW50 HV to UHV Metal Seal Centering Rings <br> NW50-AR-UHV-PK5
NW50 HV to UHV Metal Seal Centering Ring
NW50-200-AR-UHV

Price: $63.86
Sale: $54.00
NW50 HV to UHV Metal Seal Centering Rings
NW50-AR-UHV-PK5

$257.00
NW50 Overpressure & Centering Ring Assembly <br> (NW50-200-SRV-OPR)
NW50 Overpressure Ring <br> (NW50-200-OPR)
NW50 Overpressure & Centering Ring Assembly
(NW50-200-SRV-OPR)

Price: $38.96
Sale: $17.00
NW50 Overpressure Ring
(NW50-200-OPR)

Assembly Required
Price: $11.00
Sale: $6.00
NW50 Clamp & Ring Assembly <br> (NW50-CW-SRV)
Click to enlarge
NW50 Clamp & Ring Assembly
(NW50-CW-SRV)

Price: $50.70
Sale: $17.00
All NW50 Hardware


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