Tritex EVA Valve Actuator for Oil & Gas

June 4, 2024
Curtiss-Wright's Exlar Tritex EVA electric valve, CSA Class 1, Division 2 (C1D2) Hazardous Location certified, offers a high-speed solution while meeting the Methane Emissions Reduction Program (MERP) and Quad-O zero-emissions regulations in the oil & gas industry.

The Exlar Tritex EVA electric valve actuator is CSA Class 1, Division 2 (C1D2) Hazardous Location certified. The Tritex EVA answers the demand for an efficient, high-speed solution while meeting the Methane Emissions Reduction Program (MERP) and Quad-O zero-emissions regulations in the Oil & Gas Industry.

The Tritex EVA is environmentally friendly and efficient with a powerful, compact system integrating a servo drive, motor, and roller screw actuator to achieve extreme life, speed, and accuracy. Combining the simplified actuation system with Modbus RTU communications enables producers to have remote operation and monitoring with fewer components when compared with pneumatic systems.

Features:

  • Field tested and approved for use in American oil fields
  • 100% duty cycle rated for continuous modulation
  • Fast valve close times in as little as 1 second 
  • Robust roller screw drive train for low maintenance and industry-leading life
  • Servo design allows for valve jam protection 
  • Advanced valve seating control extends valve life 
  • Absolute position sensing for increased control 
  • Compact overall footprint

Applications/Industries:

  • Oil & gas wellhead valve control
  • Pipeline valve control
  • Dump valve
  • Separators
  • Pressure valves
  • Gas lift valves
  • Compressor scrubbers
  • Damper control
  • Knife valve control
  • Chemical pumps
  • Plunger lifts
  • Injection pumps and more
Rated Thrust 1,000 lb-ft (4.4 kN)
Seating Thrust 1,500 lb-ft (6.67 kN)
Speed 1 in/s (24 mm/s) @ 24V DC
Stroke Length 4 in. (102 mm)
Input Voltage 12 to 24V DC nominal, 9 to 32V DC
Input Current 10 A @ rated thrust, 1 A @ nominal thrust
Endurance 10,000 + starts, 3,600+ starts/h
Duty Class D continuous modulating, 100% duty cycle
Life 10,000,000+ cycles over 10 years
Serial Interface Isolated Modbus RTU (RS-485), max baud rate 38.4 k
Software Tool Free-to-download Expert PC commissioning tool
Digital Inputs 3 Isolated, 9 to 30V DC
Digital Outputs 2 Isolated, 9 to 30V DC
Analog Input 1 Isolated, 4-20 mA, position/thrust demand
0.1% resolution 0.5% linearity over temp range
Analog Output Isolated, 4-20 mA, position/thrust feedback
0.1% resolution, 0.5% linearity over temp range
Enclosure NEMA 4X, IP66
Operating Temp. -40 to 149°F (-40 to 65°C) 
Storage Temp. -58 to 185°F (-50 to 85°C)
Mounting Face mount, any orientation, with valve adapter
Noise Less than 70 dB operation
Approvals cCSAus Class 1, Division 2, Group A, B, C, D, T5

Curtiss-Wright
Shelby, NC
(704) 481-1150
[email protected]
www.cw-actuation.com

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