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Emtork Electric Thrusters
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Emtork Electric Thrusters

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 axes while imparting the Thrust, so as to achieve correct alignment with the final control element.

Marsh Offers:

    Thruster
  • 2 Types 1 Axes/2 Axes 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:

    Thruster
  • 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:

Ordering Spesifications

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

G.A. Drawing for Thruster

Technical Specifications:

Model

Rated
Thrust Kgs.

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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