Click to enlargeNW25 Centering Rings Aluminum or 304 SS

NW25 (KF25) 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
• NW25 (KF25) High Vacuum Hardware

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

NW, KF, QF Series High Vacuum Flanges

NW25 (KF25) OD: 1.57" – Centering Ring Counter Bore: 1.03"





NW25 Centering Ring <br> (NW25-100-SR-V)
NW25 Centering Ring <br> (NW25-100-AR-V)
NW25 Centering Ring
(NW25-100-SR-V)

Stainless - Viton Ring
Price: $11.33
Sale: $6.54
NW25 Centering Ring
(NW25-100-AR-V)

Aluminum - Viton Ring
Price: $9.70
Sale: $5.50
NW25 Centering Ring <br> (NW25-ARB-PK25)
NW25 Centering Rings <br> (NW25-ARV-PK25)
NW25 Centering Ring
(NW25-ARB-PK25)

Aluminum - Buna Ring
Pack of 25!
Price: $156.25
Sale: $85.00
NW25 Centering Rings
(NW25-ARV-PK25)

Aluminum - Viton Ring
Pack of 25!
Price: $242.50
Sale: $131.00
NW25 Centering Ring <br> (NW25-100-SR-B)
NW25 Centering Ring <br> (NW25-100-AR-B)
NW25 Centering Ring
(NW25-100-SR-B)

Stainless - Buna Ring
Price: $10.40
Sale: $5.50
NW25 Centering Ring
(NW25-100-AR-B)

Aluminum - Buna Ring
Price: $6.25
Sale: $4.00
NW25 Centering Ring <br> (NW25-100-SR-S)
NW25 Centering Ring <br> (NW25-100-AR-S)
NW25 Centering Ring
(NW25-100-SR-S)

Stainless - Silicone Ring
Price: $21.16
Sale: $6.60
NW25 Centering Ring
(NW25-100-AR-S)

Aluminum - Silicone Ring
Price: $7.50
Sale: $6.00
Click to enlarge
Click to enlarge
NW25 Mesh Screen Rings

NW25 O-Rings (All)

NW25 HV to UHV Metal Seal Centering Ring <br> NW25-100-AR-UHV
NW25 HV to UHV Metal Seal Centering Rings <br> NW25-AR-UHV-PK5
NW25 HV to UHV Metal Seal Centering Ring
NW25-100-AR-UHV

$75.76
NW25 HV to UHV Metal Seal Centering Rings
NW25-AR-UHV-PK5

$340.92
NW25 Centering Ring Without O-Ring <br> (NW25-100-SR)
NW25 Centering Ring Without O-Ring <BR> (NW25-100-AR)
NW25 Centering Ring Without O-Ring
(NW25-100-SR)

Stainless
$4.40
NW25 Centering Ring Without O-Ring
(NW25-100-AR)

Aluminum
$3.30
NW25 Centering Ring Sintered Metal Filter <br> (NW25-SMF)
NW25 Clamp & Ring Assembly <br> (NW25-CW-SRV)
NW25 Centering Ring Sintered Metal Filter
(NW25-SMF)

Price: $134.84
Sale: $70.80
NW25 Clamp & Ring Assembly
(NW25-CW-SRV)

Price: $22.54
Sale: $14.17
NW25 Overpressure & Centering Ring Assembly <br> (NW25-100-SRV-OPR)
NW25 Overpressure Ring <br> (NW25-100-OPR)
NW25 Overpressure & Centering Ring Assembly
(NW25-100-SRV-OPR)

Price: $31.70
Sale: $14.04
NW25 Overpressure Ring
(NW25-100-OPR)

Assembly Required
Price: $8.50
Sale: $5.50
Click to enlarge
Click to enlarge
All NW25 Hardware

NW25 to NW20 Adaptive Rings


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