keystone 79u

Proval / Regmatic actuators

  • Extruded aluminium body, hard anodized for maximum environmental protection.
  • Nickel plated shaft with dimensions in accordance with Namur/ISO 5211.
  • Die cast aluminium pistons with ptfe bearings for low friction and extended life.
  • Pinion bearings ensure maximum torque and long life.
  • Travel stops for open/closed positions.
  • Spring cartridges with captive springs permit safe end cap removal.
  • End caps resin coated, standard size for double acting/spring return.
  • NBR O-rings standard, viton and silicone optional to suit high & low temperature applications.
  • Torque range Double acting 21 -3217 Nm Spring return 10-1342Nm.
  • Position indicator/dust cover.