The hydraulic ram type steering gear series consists of one set of rudder mechanism with two piston type of cylinders, two oil pump power units, one reserve tank. One set of emergency pumps, pressure accumulator or DC motor pump unit is added for using in navigation zone of inland rapid flowing river, to comply with CCS rules.
Control modes includes direct control of manual direction valve, electronic control, pump control, among which, electronic and pump control can be used together with any form of autopilot and follow-up pilot.
 

Technical specifications

1) Technical data

Nominal torque:40KN.m (+35°or -35°)

No. of rudder: 2 rudder /ship

Maximum turning angle of rudder:±35°

Turning time of rudder(-35°~ +30°):≤28S/65°

Design pressure:17.5MPa (subject to approval drawings)

Maximum working pressure:14MPa(subject to approval drawings)

low oil level, filter block, high oil temperature, overload, phase failure, power failure, control failure.

2)     Motor

Type:Y100L2-4-H (subject to the approval drawings)

Power:3kW (subject to the approval drawings)

Voltage:AC380 V 50Hz

Comply with CCS requirement

Yes √             No×

Protection grade:

IP44√   IP54 ×    IP56  ×

Starting method:

Direct √  Star-delta×  Auto-trans ×

3)     Hydraulic pump

Model:25SCY14-1B(subject to the approval drawings)

4)     Electro-magnetic valve:subject to the approval drawings

5)      Comply with Manufacturer standard and CCS classification society requirements.

2.8 Painting: In according with the common standard of seller factory.

2.9 Tiller hole diameter: confirmed by buyer before machining.

2.10, pump motor units: two sets of AC pump motor units, one is standby.

2.11.  START AND STOP OF MOTORS FROM WHEELHOUSE AND IN STEERING GEAR COMPARTMENT