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Manual SS All-Metal Leak Valves (CF flanged): LVM Series

Bakeable leak valves are used to control the flow of gas into a vacuum system from an external source. A soft metal pad is compressed against a harder metal seat, creating the necessary seal for precise gas flow control.

  • Available in two different series
  • Each series utilizes different types of sealing materials tailored for specific applications
  • Typical applications include argon processing, sputtering, system purging, precision gas control, and laser back-filling

LVM Series

  • Stainless steel and copper alloy construction for long life
  • Inlet pressure to 10 bar maximum
  • Operating pressure from 1 bar to 10-11 mbar
  • Precision control mechanism
  • Adjustable graduated indexing
  • Bakeable to 450° C (open)/ 250 ° C (closed)
  • Minimum control backlash
  • User serviceable

Dimensional Drawings

Product Manual
For a download of the product manual, click here.
Contact Us
To speak with someone directly, please call 1-412-387-9200 or email international@lesker.com.

Accessories Table

Type Description Manual PartNo Price Add
Type Description Manual PartNo Price Add
Anti-Seize Thread Lube
Prevents Seizing and Corrosion
Bolt & Nut Set
1/4-28 x 1-3/8" for 2-3/4" CF Flanges (25/pkg)
OFHC Copper Gasket
For 1-1/3" CF Flanges (10/pkg)
OFHC Copper Gasket
For 2-3/4" CF Flanges (10/pkg)