MT-50 Multi-Turn Marine Electric Valve Actuator

Product Overview

Easy-Install, User-Configurable Electric Multi-Turn Valve Actuator for Gate & Globe Valves

The MT-50 offers a high level of precision valve control. As a member of our Multi-Turn Series, they are the ideal solution for requirements demanding accurate flow control, easy installation, and low cost operation.

NAG Marine has designed our Electric Valve Actuators to be maintenance free and feature completely enclosed, permanently lubricated transmissions to ensure extended reliable service in the harshest operating conditions.

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Features Technical Specs View Datasheet Get Support

Features

Precise multi-turn control for gate and globe valves
50 Nm max torque
IP68 aluminum housing (stainless steel available)
Easy installation/retrofit
User-configurable torque, closing time, & position
Permanently lubricated
Low power consumption
Manual emergency override

Technical Specs

Technical Data
Torque*	7-37 ft/lbs (50 Nm max)
Valve Stem Connector**	7-17 RPM
Valve Applications	2, 3, 4 inch multi-turn valves (typical)
Min-Max Closing Time	2 inch: 20 sec / 3 inch: 25 sec / 4 inch: 30 sec
Configurable using Eltorque Manager - download free at: www.eltorque.no/downloads *Adapted flange bracket and stem connection is required and must be ordered with the actuator. Customer must provide a valve/manifold drawing to ensure proper mechanical interfacing.
Mechanical
Dimensions (H, W, D)	16, 4.5, 9 in (406.4, 114.3, 228.6 mm)
Weight	26.5 lbs (10.5 kg)
Housing	IP68 (continuous submersion, 10m - 72hr) Corrosion resistant aluminum housing
Operating Temperature	-13° to 131°F (-25° to 55°C)
Over Temp. Protection	Current controlled
Under Temp. Protection	Stator coils used as heating element
Finish	Black
Electrical
Supply Voltage	110-240 V AC/DC (50/60 Hz)
Power Consumption	Max: 240 VA
Cables & Cable Glands
Cable Glands	Up to four (4) M20 cable glands allow for serial connection of power supply and fieldbus wiring Actuator housing includes threaded mounting holes Use IP68 glands for all wires to maintain IP rating Optimized for fieldbus installation (refer to installation manual for specific requirements)
Control
Interface Options	Digital: 2x digital input (Open & Close) 3x digital output (Open, Closed & Alarm) CANopen Fieldbus: Max. 127 nodes/network, allows positioning and other extended controls
Network Valve-Position Sensor	Absolute position sensor; provides correct feedback even after power failure.
Resolution	4.85° / Maximum 13 turns
Configuration / Set-Up	USB connection to PC with Eltorque Manager v.3
Configurable Parameters	Open & Closed Positions Speed, torque, and valve position regions. Inverted I/O or fieldbus parameters depending on control interface.
Emergency & Safety
Manual Operation	Ergonomic hand wheel, mechanical valve-position indicator, status LED when actuator is powered Safety function disables motor if actuator is operated manually while powered
Apprx. Number of Turns Closed - Open	2 inch valve - 39 3 inch valve - 49 4 inch valve - 59
Certifications & Approvals
Certifications	DNV-GL: TAA000006V DNV-GL: TAA000006V

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MT-50 Multi-Turn Marine Electric Valve Actuator

Product Overview

Easy-Install, User-Configurable Electric Multi-Turn Valve Actuator for Gate & Globe Valves

MT-50 Electric Multi-Turn Valve Actuator Datasheet

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