DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

250KN.m fork type electro-hydraulic steering gear(twin cylinders with one piston type)

Category
Steering Gear System
Origin
China
250KN.m fork type electro-hydraulic steering gear(twin cylinders with one piston type)

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category Steering Gear System
Model / SKU 250kn-m-fork-type-electro-hydraulic-steering-gear-twin-cylinders-with-one-piston-type
Origin China

Technical Information

10-500KN.m fork type electro-hydraulic steering gear(twin cylinders with one piston type)

The fork type electro-hydraulic steering gear series consists of one set of fork type driving mechanism,two sets of motor kinetic tank for oil pump,one oil box,which has simple structure to install and is widely used in navigation zone of inland rapid flowing river,normal navigation zone,and for sea ship.
When use for navigation zone of inland rapid flowing river,the steering gear ,specification below 16KN.m,is added an extra pressure accumulator or a set of manual emergrncy steering control;specification above 16KN.m,is added an extra set of DC motor pump unit for emergency,to comply with CCS rules.
Control mode of this steering gear series includes direct control of hand-operated direction valve,direct control of steering mechanism,electronic control,pump cpntrol and etc.Electronic and pump control can be used together with any form of autopilot and follow-up pilot.

Drawing
Technical specifications

Nominal
torque
(Kn.m)
A B1 B2 C Center
height
H1
H2 Single rudder
tiller thickness
h1
Double rudder
thickness
h2
Rudder radius
R
Single rudder
rudder diameter
D1
Double rudder
rudder diameter
D2
10-16 1470 490 670 1280 280 510 215 180 180 ≤125 ≤100
20-40 1870 615 840 1480 320 560 260 180 240 ≤165 ≤140
50-63 2238 706 935 2000 360 776 320 180 300 ≤180 ≤140
75-125 2498 925 1210 2460 380 734 345 280 350 ≤250 ≤250
160-200 2956 1065 1299 2830 380 735 345 310 450 ≤300 ≤250
250-320 3610 1296 1520 3400 560 1040 500 400 500 ≤340 ≤300
350-400 3914 1456 1606 3600 560 1053 500 400 570 ≤340 ≤320
450-500 4300 1550 1700 3800 560 1070 570 450 600 ≤360 ≤340