SEA Hydraulic Mark Tank – Swing Gate Motor

Newtower is a supplier of SEA gate motors. Please call us for more information and assistance in choosing the right motor for your gate.

Product Codes: Marktank, MT, Mark


Contact us for price and availability on (03) 9305 1400


  • A premium hydraulic swing gate motor for residential/light commercial use
  • Maximum gate weight of 500-kg per leaf
  • Maximum opening degree of 120 degrees (subject to hinge location)
  • Self-contained unit consisting of; electric motor, fluid pump & valve block
  • Durable, silent & reliable in a semi-intensive application
  • Suitable for gates up to 1.8 mts each leaf
  • Integrated using the advanced multi-functional LRS2151 control board
  • Can be securely locked in both positions utilising the SEA Mark Tank (AC) version – Internal hydraulic locking system
  • Gate stops required in both open & closed positions
  • Manual release via a ‘unique’ key in the event of power failure
  • Features the anti- crashing protection system, which adjusts internal working pressures to a safe level, through force adjusting by-pass valves
  • 50 cycles per hour at a temperature of 20 degrees


  1. Gates in excess of 1.8mts – we recommend non hydraulic locking operators devices be used in conjunction with a separate mechanical locking system.
  2. Maximum gate weights reflect gates without cladding & are subject to high wind conditions
  3. Duty cycles depend on gate size & installation


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Product Brochure

Installation Instructions

Additional Instructions




wdt_ID Specification Detail
1 Supply Voltage 230 Vac±5% 50/60 Hz
2 Motor Power 220 W
3 Maximum Absorbed Current 1A
4 Frequency Of Use 50%
5 Thermal Circuit Breaker 130 C
6 Operating Temperature from -40 °C to + 60 °C
7 Max Leaf 4-mtrs
8 Weight 11-kg
9 Protection Class IP 55
10 Starting Capacitor 12,5 μF
11 Max Thrust 640 da N
12 Shaft Speed 1,2 cm/s (pump 1l)
13 Shaft Stroke 270mm

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