Emtork Thrust unit actuators are Positioning Devices suitable for operating large size dampers, flaps, shutters fan blades etc. from a remote control station in ON/OFF and Regulating modes. The Thruster units swivel either in one, two axis while imparting the Thrust, so as to achieve correct alignment with the final control element.
Marsh Offers:
- 2 Types 1 Axis/2 Axis movement units.
- 5 Modes Thrust rating up to 500kg force
- Stroke length up to 1000 mm.
- Large variety of operating speeds.
- ON/OFF & Regulating duty models.
- Area of Operation Safe or Hazardous.
- Manual operation with motor over riding provision.
- Weather proof construction.
- Provision for integral starter.
- Self locking units.
- Various accessories available on demand.
Features of Emtork Electric Thrusters:
Standard Features:
- Electric motor TEFC, 3 phase, S-1 Duty.
- Insulation class ‘F’
- Travel limit switches 2 Nos (1 NO + 1 NC)
- Torque limit switches 2 Nos (1NO + 1 NC)
- Continuous type local position indicator
- Hand wheel with clutch mechanism.
- Protection class IP 65
- Hammer blow effect
Optional Features:
- Electric motor TESC.3 Phase, S2 or S4 Duty
- Protection class IP 67 / IP 68
- Better class of insulation for motor
- Travel limit switches 2 NO + 2 NC in place of 1 NO + 1 NC-2 Nos.
- Torque limit switches 2 NO + 2 NC in place of 1 NO + 1 NC-2 Nos.
- Electric Thruster
- Additional limits switch (1 NO + 1 NC) 4 Nos. (extra)
- Feed back potentiometer
- Feed back Transmitter
- Remote position indicator Analogue / Digital
- Space heater
- Valve positioner
- Various types of local & remote panels
- Set of linkages
- Tailor made accessories to suit customer’s requirements
Ordering Specifications:
Examples:
- A simple Single Axis swiveling Thruster having thrust power of 3000 kgs. & the stroke Length of 500 mm will be denoted as MS/3K/500
- A dual Axes swiveling Thruster having power 0f 2000 kgs. Stroke length of 200mm will be denoted as: MU/2K/200
G. A. Drawing for Thruster
Technical Specifications:
| Model | Rated |
Operating Speed mm/Sac |
Motor Date | |||
| KW / HP | Speed | Rated Current RPm AMP |
Efficiency % (FL) |
|||
| MS MU |
1000 2000 3000 |
1/1.5/2 3/4/6/7 8/12/19/24 27/36/42 |
0.5/0.75 0.75/1.0 2.2/3.0 |
1405 1405 2850 |
1.4 1.8 4.55 |
72 76 81 |
| 4000 5000 |
1/1.5/2 3/4/6/ 8/9/12/19 |
0.75/1.0 1.5/2.0 2.2/3.0 |
1405 1405 2850 |
1.8 3.3 4.55 |
76 78 81 |
|
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