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Marine Kawasaki Hydraulic Valve

About product

Hot Sale Model Types:

  • KMX15RA
  • KMX15YD-B44014B
  • KMX32N-B45202

We mainly offer the Marine Kawasaki Hydraulic Valve, focusing on supplying the KMX series, particularly tailored for marine excavator applications.

Additional information

Series

KMX series

Applications

Hydraulic excavators for maritime operations

Product Detail

Kawasaki KMX Series Hydraulic Control Valve

The Marine Kawasaki KMX Series Hydraulic Control Valve comprises three main control valve sizes tailored for marine hydraulic excavator management. With a semi-monoblock design, it offers a compact installation for main and pilot circuits, ensuring superior controllability and system efficiency.

Kawasaki KMX Series Hydraulic Valve SpecificatIons

Model

KMX13

KMX15

KMX32

KMX36

Max pressure / Mpa

34.3

Rated Flow ( L/min)

180

300

450

550

Marine KMX Series Hydraulic Control Valve Features

  • Support for Negacon, Posicon, and Electronic Posicon systems
  • Service flow rates of 130, 240, and 360 l/min
  • Continuous pressure rating of 350 bar
  • Features like straight travel, swing priority, and circuit confluence

Marine Kawasaki KMX Series Valve Model Types

We primarily supply three model types of the Marine Kawasaki KMX Series Valve: KMX15RA, KMX15YD, and KMX32N.

KMX15RA Hydraulic Valve

The Marine KMX15RA Hydraulic Valve is suitable for use with 20-26 ton grade equipment.

KMX15RA Specifications

Max flow (L/min)

250

Oil temp range / ºC

-20~+90

Main relief valve set pressure

Std 31.5(+1/0)MPa, when 180L/min

Main relief valve set pressure

Boost 35(+1/0)MPa, when 160L/min

Port relief valve set pressure

Boom,arm,bucket 37(±0.5)MPa, when 20L/min

Port relief valve set pressure

Option 20(±0.5)MPa, when 20L/min

Negative control valve set pressure

3.2(+0.7/0)MPa, when 30L/min

KMX15RA Installation Drawing

Hydraulic Schematic Of KMX15RA

KMX15RA Control in Neutral Position

The control mechanism of the Marine KMX15RA valve in the neutral position involves the following hydraulic flow operations:

  • Hydraulic fluid from pump P1 enters casing A (101) through the inlet port (P1), passing through the center bypass (21) and the parallel path (22).
  • Hydraulic fluid from pump P2 enters casing B (102) via the inlet port (P2), flowing through the center bypass (18) and the parallel path (6).
  • Pump P1’s fluid is directed back to the tank through the center bypass (21), negative control orifice (NR1), the return path (13), and the return port (R2).
  • Pump P2’s fluid is also returned to the tank through the center bypass (18), negative control orifice (NR2), return path (4), and return port (R2).
  • Fluid in paths (6) and (22) is blocked, preventing it from returning to the tank.

When a control lever is activated:

  • Fluid from pump P2 is directed to the travel right spool (301) via path (18) and to the spools: option (309), boom1 (303), bucket (304), and arm2 (306) via path (6).
  • Fluid from pump P1 is supplied to the travel left spool (310) through path (7), while the swing (305), boom2 (307), and arm1 (302) spools are fed from path (22).

 

 

 

 

 

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