SEA Half Tank 100 – Hydraulic Gate Operator

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: Halftank100, Halftank, HT100


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


  • A premium 240v hydraulic gate operator for residential/light commercial use
  • Maximum gate weight of 700-kg per leaf
  • Suitable for gates up to 1.8 mts each leaf
  • Can be securely locked in both positions utilising the SEA Half Tank (AC) version – Internal hydraulic locking system
  • Self- contained unit consisting of; electric motor, fluid pump & valve block
  • Features the anti- crashing protection system, which adjusts internal working pressures to a safe level, through force adjusting by-pass valves
  • Integrated using the advanced multi-functional LRS2151 control board
  • Manual release via a ‘unique’ key in the event of power failure
  • Maximum opening degree of 120 degrees (subject to hinge location)
  • Gate stops required in both open & closed positions
  • 55 cycles per hour at a temperature of 20 degrees (outside)


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



Half Tank 100

wdt_ID Specification Detail
1 Supply Voltage 230 Vac±5% 50/60 Hz
2 Motor Power 220 W
3 Maximum Absorbed Current 1:00 am
4 Frequency Of Use 55%
5 Thermal Circuit Breaker 11
6 Operating Temperature from -20 °C to + 55 °C
7 Max Leaf 6 m
8 Weight 11,4 kg
9 Protection Class IP 55
10 Starting Capacitor 12,5 μF
11 Max Thrust 640 daN
12 Shaft Speed 1 cm/s (pump 1 l)
13 Shaft Stroke 270 mm
14 Leaf Maximum Weight 700-kgs
15 Leaf Maximum Width 1.8 - 4-mtrs *

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