Close

Please select your country or region to be
directed to the appropriate Lesker site.

Representative Image

V77 Series:
Rectangular Transfer Valve (Slit Valves) - Door

Applications

  • Plasma Etch, CVD, Sputter Deposition
  • Manufacturing of solar panels
  • Semiconductor processing
  • LCD/flat panel processes
  • All other cluster vacuum systems

Features

  • Semi standard application (Semi E21-94, Semi E24-92, Semi E21.1-1296)
  • Dust seal on the vacuum side of the bonnet flange that virtually eliminates particulate from entering the bellows
  • Particle and vibration free
  • Realization of exact L-motion
  • Easy maintenance

Options

  • Custom sizes available
  • Various o-ring compounds (Kalrez®, Chemraz®, etc.)
  • Double gate seal door valve available

Specifications Table

Temperature (°C) Valve body: 120°C
Valve actuator: 80°C
Pressure Range (torr) 1 X 10-9 mbar - ATM
Differential Press (torr) ≤ 1.0 bar in either direction
Material Valve body, bonnet seal: AL6061
Gate: AM350
Valve actuator: SS 304, AL6061
Seal Material Fluorocarbon (option KALREZ, ETC)
Leak Rate (cc/sec) <1 X 10-9 mbar. l/s
Cycles Until Service (approx.) ≥ 3 million
Position Indicator SMC: D-A93
Operation Double acting

Dimensional Drawings

Product Datasheet
For a download of the Product Datasheet, click here.
Gate Vacuum Valves Selection Guide
Discover our comprehensive Gate Valve Selection Guide, designed to simplify your choices. Explore various types, materials, and specifications to find the perfect fit for your specific vacuum needs.
Gate Valves FAQ
Click here for answers to some of the most common questions we are asked.
Contact Us
Contact Us
Questions? Let's Talk!
Contact your dedicated Lesker sales team today.
+1 412 387 9200
Would You Like More Information?

Do you have any questions? Click below to get in contact with one of our many experienced team members.

Contact Us - V77 Series: Rectangular Transfer Valve (Slit Valves) - Door