Axial Piston Variable Motor, K4VSM
Axial Piston Variable Motor, K4VSM Axial Piston Variable Motor, K4VSM

K4VSMAxial Piston Variable Motor, K4VSM

  • For open or closed circuits
  • Sizes 40-500
  • Maximum nominal pressure 350 bar
  • Maximum peak pressure 420 bar
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K4VSM series axial piston variable motor is specially designed for high-pressure engineering machinery. The engine is an oblique axial piston pump with a spherical valve, large runner and shaft drive. The product is suitable for open and closed-circuit hydrostatic drive.

Features
  • Through shaft variable displacement piston motor, high rigidity casing and integral swash plate, specially designed for hydrostatic drive in open and closed circuits
  • Flow proportional to speed, suitable for variable speed drive
  • Proportional speed regulation motor, electronically controlled to adjust the cradle which can steplessly change the output speed
  • 100% torque transmission through the shaft for mounting additional pumps
  • High power/weight ratio
  • Steplessly variable spherical flow, displacement from 50% Vmax to Vmax
  • Swashplate angle indicator, observe the working state of the pump directly
  • Suitable for drives that need high reliability, high pressure, long service life and wide speed range
Technical Parameters
Size 40 71 125 180 250 355 500
Displacement Vg cm 40 71 125 180 250 355 500
Max. rotating speed nmax cont. rpm 3700 3200 2600 2400 2200 2000 1800
nmax cont.1 rpm 4000 4000 - - - - -
Max. flow at nmax qVmax L/min 148 227 325 432 550 710 900
Torque constant TK Nm/bar 0.64 1.13 1.99 2.86 3.97 5.63 7.95
Torque at Δp = 350 bar 223 395 696 1002 1391 1976 2783
Fluid volume L 0.4 2 3 5 7 9 11
Moment of inertia J kgm2 0.0043 0.0121 0.0300 0.0500 0.0959 0.1500 0.3325
Starting torque at n = 0 rpm and Δp = 350 bar Nm(approx) - - 320 460 564 800 1127
Weight m Kg 42 60 107 112 220 235 335
Applications
  • Metal CrusherMetal Crusher
  • Dynamic Compaction MachineDynamic Compaction Machine
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Guangdong KEDA Hydraulic Technology Co., Ltd. is an industry leader in producing high-pressure piston pumps and high-speed motors, leveraging our core technology to provide superior technical solutions for customers worldwide. Our products including hydraulic pumps, hydraulic motors and hydraulic spare parts are used across a wide range of industries, including metallurgy, forging, TBM, building materials, pile drivers, mobile machinery, and marine engineering. We have domestic and international sales and service bases to ensure fast and satisfactory services for all our customers. As part of KEDA Industrial Group Co., Ltd. (stock code 600499), we strive to offer innovative solutions that exceed expectations every time.

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