Model Drawings, CAD & Specs Body Configuration Actuation Port Size Flange Type Availability Price
Vacuum Isolation Valve, Cv, NW16 ISO-KF, Angle Ports, Viton, Manual
$350
Angle Manual 0.75 in. ISO-KF
Vacuum Isolation Valve, Cv, NW16 ISO-KF, Angle Ports, Viton, Pneumatic
$350
Angle Pneumatic 0.75 in. ISO-KF
Vacuum Isolation Valve, Cv, NW25 ISO-KF, Angle Ports, Viton, Manual
$385
Angle Manual 1.0 in. ISO-KF
Vacuum Isolation Valve, Cv, NW25 ISO-KF, Angle Ports, Viton, Pneumatic
$385
Angle Pneumatic 1.0 in. ISO-KF
Vacuum Isolation Valve, Cv, NW16 ISO-KF, Inline Ports, Viton, Manual
$395
Inline Manual 0.75 in. ISO-KF
Vacuum Isolation Valve, Cv, NW16 ISO-KF, Inline Ports, Viton, Pneumatic
$395
Inline Pneumatic 0.75 in. ISO-KF
Vacuum Isolation Valve, Cv, NW25 ISO-KF, Inline Ports, Viton, Manual
$410
Inline Manual 1.0 in. ISO-KF
Vacuum Isolation Valve, Cv, NW25 ISO-KF, Inline Ports, Viton, Pneumatic
$410
Inline Pneumatic 1.0 in. ISO-KF

Configuration Options

Description
     CV Compact Vacuum Valve, Inline Body Configuration

Specifications

  • Type
    Compact Bellows-sealed Isolation Valves
  • Vacuum Range
    Atmosphere to below 10-9 Torr
  • Body Configuration
    Angle or Inline
  • Helium Leak Rate
    Less than 1.0 X 10-9 std cc/sec
  • Wetted Volume
    1.09 in3 (17.8 cm3) depending on configuration
  • Cylinder Volume
    0.25 in.3 (4.1 cm3 )
  • Cylinder Air Pressure
    60 to 120 psig
  • Limit Switch Rating
    .5 A - 115 VAC
  • Single Pole, Single Throw
    5 A - 24 VDC
  • Solenoid Voltage
    6.0 watts: AC
    7.0 watts: DC
  • Blow-By Pressure
    30 psi (1500 Torr) differential
  • Operating Temperature
    -26 to 125° C
  • Maximum Bakeout Temperature
    150° C
  • Orientation
    Seals against atm at either port
  • Conductance
    Angle KF25 - 4.5 l/sec
    Inline: KF25 - 3.4 l/sec
  • Closing Time
    100 msec
  • Typical Life
    1,000,000 cycles
  • Weight
    12.8 - 16.9 oz, depending on configuration

Features

Gauge Isolation Applications

In gauge isolation applications, the Cv Valve’s high conductance ensures more accurate readings and helps improve gauge response time. The Cv Valve can isolate the sensor from the chamber during venting to atmosphere. If a capacitance manometer is being used, the isolation valve will prevent overpressuring the diaphragm. Where the gauge is used to monitor pressure, and not required for process control, it can be isolated during the process to prevent process gases from contaminating the gauge.

Valve Options

The Cv Valve has many configurations to suit your system’s particular needs. The angle and inline valves include pneumatic or manual actuation. The manual actuation is attained either through a rotary knob or toggle lever. The rotary knob option allows for conductance variability and includes a visual position indicator. Seal choices for the Cv Valve include Viton® and Chemraz® elastomers for leak-tight operation with a metal bonnet seal option in UHV applications. Vacuum exposed parts are clean and free of lubricants.

Need help?

Contact an Applications Specialist by sending us an email