Wide Angle Piston Type Steering Gear

Wide Angle Piston Type Steering Gear


A Solenoid Valve Operated Wide Angle Electro-Hydraulic Steering Gear (JH Steering Gear) is capable of steering a rudder to such wide angle as 700 port and 700 starboard, and is optimum for making a Schilling Rudder exhibit its specific character.

A JH Steering Gear has performance accordant with torque requirement of Schilling Rudders.

A JH Steering Gear employs hydraulic pumps of constant discharge, inscribing gear type, and hydraulic cylinders of double-acting piston type.

The Steering Gear is controlled by solenoid operated valves, and hence construction is extremely simple and operation is easy.

The Steering Gear is compactly designed, and excellent in terms of high control accuracy and good respond ability.

The Steering Gear is so constituted that an installation error can be absorbed by spherical bearings adopted for joint parts.

The Steering Gear has been approved by major Classification Societies.

The Steering Gears have been installed on board of variety of ships, and gain public favor.

The Steering Gears can be easily connected to any steering system and automated system, and operate very efficiently.


Hydraulic Circuit
Hydraulic Circuit


General Arrangement Type Steering Gear
General Arrangement Type Steering Gear


Model JH3 JH7 JH10 JH12 JH17 JH22 JH30
Torque at 40angle t-m 3 7 10 12 17 22 30
Max.rudder angle Degree 70°×2
Rudder speed Sec 18/35°-30°(28/35°-30°)
Radius of action mm 270 360 470 630
Piston diameter mm 100 140 160 180
Piston rod dia mm 65 85 90 100
Rated hyd. pressure kgf/cm2 170 160 168 148 168 188 168
Relieving pressure kgf/cm2 220 200 210 185 210 235 210
Motor Normally 1 pump KW 3.7 5.5 7.5 7.5 11 15 18.5
Normally 2 pumps 2.2 2.2 3.7 3.7 5.5 7.5 11
Width mm 360 480 670 840
Length mm 1255 1355 1590 1735 2040 2185 2700

Read more : New VecTwin Rudder System; Mariner Fish Tail Rudder; Fish Tail Rudder; Ocean Fish Tail Rudder; Thordon SXL Rudder Carrier BearingsThordon Thorseal Rudder Seals


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