1. Kawasaki Precision Machinery Ltd.
Electro-hydraulic Steering Gear
February 01, 2008
Kawasaki Precision Machinery Ltd.

2. Products
For Marine Machinery
Steering gear
Deck machinery

3. Amount of Production Amount of Production per Year
Steering Gear : approximately 180 ship sets/year
Deck Machinery : approximately 150 ship sets/year

4. Total Sum of Production Since 1924

5. Kawasaki Brand
FLUTEK
Flutek
Korea
Wuhan
China
武漢船用機械
KPM
KPM
Japan

6. Market Share of Steering Gear in the World
Share No.1

7. Control System of Steering gear
Mechanical Pump Control
Electrical Pump Control
Valve Control

8. Torque range E series : Electrical Pump Control system
(FE,RE) kN-m ～　9810 kN-m
M series : Mechanical Pump Control system
(FM,RM) kN-m ～　4760 kN-m
V series : Valve Control system
( RV ) kN-m ～　844 kN-m

9. V series steering gear
RV21
Pump unit
Cylinder
Ram

10. Hydraulic Circuit of V series
1-Ram,
2-Cylinder
Stop valve
Relief valve
Directional spool valve
2 Pumps
Fixed displacement pump

11. M series steering gear Mechanical link
Variable displacement pump in Tank

12. Hydraulic Circuit of M series
1-Ram,
2-Cylinder
Variable displacement pump
2 Pumps

13. Hydraulic Circuit of M series
2-Ram,
4-Cylinder
Isolation valve
2 Pumps

14. E series steering gear FE21 No Link Regulator
Variable displacement pump in Tank

15. Hydraulic Circuit of E series
1-Ram,2-Cylinder
Regulator
2 Pumps

16. Hydraulic Circuit of E series
2-Ram,4-Cylinder
2 Pumps

17. Hydraulic Circuit of E series
2-Ram,4-Cylinder
3 Pumps

18. Features of Control system
Cost
Quality
Feature
V series
Reasonable
Normal
Simple
M series
Common
Good
Traditional
E series
High-Grade
High-Class
Excellent

19. Features (Construction)
Easy Maintenance
・Easy Replaceable Cylinder V-Packing
・Oil-less Metal Bearing
Compact arrangement
･Tank & Motor on Cylinder
･Valve & Reg. on Tank

20. Features (Pump unit) Long Life & Excellent Reliability
Kawasaki “ LV Series”
Bent Axis type Axial Piston Pump
Quiet Operation &
Minimize piping by Pump in Tank