Actuators

Actuators

Type / Brand - rotork
Type / Brand - rotork
brochure
 
rotork JR Series

The JR Series was designed specifically for wall-fired boilers with burners using a combination of fuel and combustion air. The JR Series controls the secondary air that is introduced at the burner and the air/fuel ratio is regulated by a sliding-sleeve damper to balance the air flow distribution. The JR Series offers ‘split architecture’ with the Power cylinder and the DPC-777 positioner mounted separately to remove sensitive electronics from the high-temperature area around the boiler and burner.

Power cylinder:

  • High-temperature rated Linear Position Transducer (LPT) feedback to DPC-777
  • 100% duty cycle, rated for continuous modulating service
  • 4” diameter thrust rating 1,178 lbf. (5,240 N) at 100 psi
  • 5” diameter thrust rating 1,885 lbf. (8,385 N) at 100 psi
  • 6”, 12” and 18” stroke lengths, digitally adjustable
  • Rated for +300 °F (+149 °C) ambient environment
  • Fail-in-Place of field selectable to fail-extend or fail-retract

DPC-777:

  • Digital position controller accurate to +/- 0.5%
  • Push button calibration
  • Direct or reverse acting, field selectable
  • Limit switch and continuous position feedback options
  • 4 to 20 mA, 1 to 5, 0 to 5 or 0 to 10 VDC input

Options:

  • Reset and local / remote pushbuttons for manual control
  • End position feedback alarm switches
  • Continuous analogue position feedback
 
 
Specification Of rotork JR Series



 
 
At Instronline we list supplier, manufacturer, dealer, distributor of rotork JR Series rotork Select
 
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