Single Iridium Filament <br> NW40 (KF40) Flange <br> GK-IR-NW40

GK-IR-NW40
Replacement Ion (Hot Filament) Gauge Tube
Glass Bayard-Alpert Type Ionization Vacuum Gauge
Hot Cathode Ion Gauge Tube
Standard Range
NW40 (KF40) Port OD: Ø2.18"
• Uncoated Kovar Glass
• High Vacuum Glass Ion Gauge Tube
• Iridium Filament (Single)

NW40 High Vacuum Flange Equivalents
KF40, KF-40, K150, NW-40, QF40, ISO-QF

Former LDS PN: 1050-1020-NW40
Varian Equivalent: K2471311, X3004-64311
(571 Series)

571 equivalent ionization gauge tube with thoria-coated iridium filament, NW40 KF

Equivalents: X3004-64311, 0571-K2471-311, 571-K2471311, G100KQF40, I-KF40, P102037



View All Ion Gauge Tubes		All NW40 Hardware



NW40 (KF40) UHV Conversion Hardware

Operating at a pressure below 10^-8?
Viton O-Ring Sealed compression ports limit the system pressure because of leakage and permeation.
Use Conflat Flanges & Copper Gaskets Instead!
Click Here To Change Port To Conflat Flange

NW40 Flange OD: Ø2.18"

***NW40 Flange Accessories Available Below***
NW40 Centering Rings
NW40 Clamps, All Types
NW40 Plastic Caps
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.