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Product Name: Keystone Figure 777 Electric Actuator
Product Description
Electric actuator for quarter-turn valves.
For output torques to 15,100 lb.in.
Features: -
Permanently lubricated self-locking gear train eliminates the need for motor brakes
Manual override, if equipped, does not require use of levers or latches
Mechanical travel stops, if equipped, provide positive stop during manual operation
Available in Type 4, 4X or Type 7 enclosures with Factory Mutual/CSA approvals
UL recognized motor with thermal overload devices in motor windings protects the motor should overheating occur
Dynamometer calibrated torque switches, if equipped in units with 600 lb.in. or more torque output, provide motor overtorque protection
Epoxy coated aluminum enclosures or aluminum bases with Polycarbonate covers permit service in aggressive environments. Type 7 versions utilize zinc-aluminum alloy for maximum enclosure integrity. (Ductile iron enclosures also available.)
Visual mechanical position indicator for accurate visual reference of valve position
Exclusive K-Cams allow for simple and convenient travel switch adjustment
Direct mounting to Keystone valves or readily adaptable to other quarter-turn valves minimizes costs associated with adaptation
General applications: -
For remote control of any quarter-turn application, for example: ball, butterfly, or rotary plug valves, dampers, etc.
Technical Data: -
Temperature : -40°F to 140°F
[-40°C to 60°C]
Output torque : up to 15,100 lb.in.
[1706 Nm]
Voltage
220 VAC, 1 phase 60/50 hertz (EPI-3 to EPI-151)
208 VAC, 3 phase 60/50 hertz
220 VAC, 3 phase 60/50 hertz
440 VAC, 3 phase 60/50 hertz
575 VAC, 3 phase 60 hertz (EPI-6 to EPI-151)
12 VDC
24 VDC
(EPI-3 to EPI-36)
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