Valve Actuation:Other Vacuum Valves Datasheets

Series 225 AUTO-SOFT® Check Valve -- Series 225 AUTO-SOFT®
from MKS Instruments, Inc.

The MKS, HPS ® Products Series 225AUTO-SOFT ® is a flow actuated check valve used for throttling roughingpumps during initial evacuation. AUTO-SOFT ® closes very quickly at thestart of system evacuation and opens automatically upon reaching a setpressure differential. This leaves the... [See More]

  • Type: Check Valve
  • ISO Port Flange Size: NW 40  (optional feature); NW 50 (optional feature)
  • Port OD: 1.5 to 2
  • Vacuum / Pressure Range: Low or roughing vacuum level (> 1 torr)