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QT-50 Quarter Turn Marine Electric Valve Actuator

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Featured Specifications:

Compact Footprint
Low Power Consumption
Versatile Communication Protocols
50NM of Instant Torque
Inexpensive and Maintenance Free

QT50 is the most compact quarter-turn actuator.. With an operating torque of 50 Nm, the QT50 is ideal for use with butterfly and ball valves from DN25 to DN80. IP68 protection rating and maritime type approval ensures robustness and durability. The QT50 is designed in line with Eltorque`s Lifelong Intelligent Control philosophy, meaning a maintenance free product with improved functionality and real-time feedback
NAG electric valve actuators are designed to be maintenance free, and feature completely enclosed, permanently lubricated transmissions to ensure extended reliable service in the harshest operating conditions.

Attachment	Size
NAG QT50 (2022 Update) .pdf	207.19 KB

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Torque*	10-50 Nm
Valve Stem Connector	Valve Spindle Adaptor SQ11
Valve Applications	Butterfly and Ball Valves with partial turn operation
Valve Flange	F04, F05, F07. According to ISO5211
Min-Max Closing Time	0-100% / 0-90° / Min: 5 sec. / Min Recommended: 8 sec. / Max: 15 sec

Dimensions (H,W,D)	6.42, 4.6, 6.45 in (163, 118, 164 mm)
Weight	9.92 lbs (4.5 kg)
Housing	IP68 (continous submersion, 32ft/10m - 72hr) Corrosion resistant aluminum housing
Operating Temperature	-13° to 158°F (-25° to +70°C)
Over Temp. Protection	Current controlled
Under Temp. Protection	Stator coils used as heating element
Finish	Black

Interface Options	Digital: 2x digital input (Open & Close) 3x digital output (Open, Closed & Alarm) Analog: analog input (set position) analog output (feedback position) digital output (open, closed & alarm) CANopen Fieldbus: Max. 127 nodes/network, allows positioning and other extended controls. *Number of Nodes will be limited by control system
Network Valve-Position Sensor	Absolute position sensor; provides correct feedback even after power failure.
Resolution	0.39% / 0.35° & 360° range
Configuration / Set-Up	USB connection to PC with Eltorque Manager v.3
Configurable Parameters	Open & Closed Postions Speed, torque, valve postion, valve seat region postion. Inverted I/O or fieldbus parameters depending on control interface.

Manual Operation	Standard fixed hand wheel, mechanical valve-position indicator
Apprx. Number of Turns Closed - Open	19: 0-100% / 0-90°

QT-50 Quarter Turn Marine Electric Valve Actuator

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