HEM-Summary
Multi-turn electric actuator
Available torque range from 60N.M to 3000N.m.
Available speed range from 18rpm to 144rpm.
Designs and controls with basic,intelligent,fieldbus and separated control box to select.
IP67 enclosure protection as standard,IP68,BT4/BT6,CT4/CT6 as options.
Suitable for ball valve,butterfly valve,plug valve,gate valve,globe valve,check valve and regulating valve.
HEM-Advantages
Advance technology
Reliable operation
Heavy duty motor
Accurate torque measure
Continuous position tracking
Real time valve and actuator performance information
Auto self test and diagnosis
Versatile enclosure
Easy maintenance
Hardwired controls and fieldbus communication options.
Asset management
Non intrusive setting
Command/Mode selector switch for remote or local control
Infrared remote control to set and commissioning
Valve and Actuator Protection
Phase monitoring
Protection of change in direction
Motor thermal protection
Torque protection
Emergency shutdown protection
Failure monitor relay
Password protection
Failure Alarms indication
User friendly &intuitive controls
High resolution LCD display(except for basic type)
Local signal
Local commands
User friendly menu
Specificities
1.Double sealing
Two o-rings insure an optimum protection against water ingress into the electrical compartment based on GB/T4942.2-93,IP68 as option.
2.Non intrusive setting
Open/Close/Stop button and LOC/OFF/REM selector switch to achieve the close and open operation at site.
The infrared remote control to set and commissoning the data.
3.Rotatable electrical compartment and LCD display.
Possible to rotate the electrical compartment with LCD display to suit the actuator mounting.
Possible to rotate the direction of cable entries to meet the wiring requests.
The high resolution display has a wide view making it legible from a distance.
4.Heavy duty motor
Squirrel cage motor with built-in 135℃ thermostat protection,low inertia design,Class F insulated.
5.Position measure
Absolute position encoder output the accurate position to show on LCD,there is no position loss due to mains power loss or any interferences.
6.Torque sensor
The torque sensor directly measures output torque and converts value to a voltage signal.Torque of intelligent type can be set in the range 40% to 100% of rated torque with the additional facility to bypass torque switch.
7.Drive train
The drive train uses the basic design with the features of simple,reliable and robust, the components are oil lubricated with maintenance-free.
8.Explosion proof enclosure as option
In accordance with ExdIICT4,atmospheric pressure range from 86Kpa to 106Kpa,ambient temperature range from-30℃ to 60℃.
ExdIIBT4,ExdIIBT6,ExdIICT6 as options.
9.Handwheel and Declutch button
Push the red declutch button to achieve the handwheel operation when emergency or commissioning.
Model meaning
