Click to enlarge

Solenoid High Vacuum Valves 
Designed For Low Conductance Applications
No bellows or o-rings to wear

NW25 (KF25) OD: Ø1.57" Ports
NW25 Centering Ring Counter Bore: 1.03"
Low Conductance Solenoid Valve (LCSV)

• Normally Closed, Fail Safe
• Orifice Size: 5/32
• Cv Flow Factor: 0.50
• Leak rate lower than 1x10-9 standard cc/sec (Helium)
• Pressure working range: From atmosphere to 1x10-8 Torr
• All Welded Stainless Steel Construction
• All Leak Detection and High Vacuum Applications

Part Number Updates:
• LCSV-NW25-120 Replaces: LDS-8262G220-NW25
• LCSV-NW25-24 Replaces: LDS-8262G220-24-NW25

Select Voltage Below: 24VDC or 120VAC

NW25 Low Conductance Solenoid High Vacuum Valve


Click to enlargeAll NW25 Hardware

NW25 (KF25) Flange OD: Ø1.57"
• NW25 Centering Ring Counter Bore: 1.03"

***NW25 Flange Accessories Available Below***
NW25 Centering Rings
NW25 Clamps, All Types
NW25 Plastic Caps

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.