Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust::
2-G3/8; Compact in design, yet highly efficient.
3-G1/2; Renowned for reliability and robustness.;
4-G3/4; Advanced connectivity for superior performance.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics.;
6-G1 1/4; Unmatched in performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline for all applications.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered; D./F. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Pioneering advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Expertly configured settings available at 63, 120, 210, 280, 315, 350, 400 bar ensure you have full control over your system's pressure dynamics; /NF: Enjoy seamless operation without a pressure limiting valve (HLPSV only); Guaranteeing optimal pressure control and uncompromised safety.
(7) Product Series Classification - Identifying excellence with precision:;-2 2 Series; -3 3 Series; -5 5 Series; Designed to meet the specific needs of every application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, adaptable ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve for enhanced functionality.
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, dynamic 3-way flow controllers for both inlet and outlet, ideal for N 3/3-way valve; 5, strengthened inflow controller; 8, pre-selectable for tailored precision.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; providing a diverse range of functional capabilities.
(11) Output flow code for ports A & B: Ensure optimal performance with available maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individual pressure limitation for actuator ports A & B, unit (bar);
(13) Function ON/OFF and pressure outlet options: N, standard function without ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, advanced electrical ON/OFF on side A; B, electrical ON/OFF on side B;
(14) Operation modes: A(1,2), manual operation with long handle option (1=without handle, 2=with short handle); E, state-of-the-art electric proportional control; EA(1,2), combined electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), integrated electric switching value control and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control with oil ports aligning with A and B; F, exclusive hydraulic control with oil ports positioned perpendicularly and outward respectively.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; delivering versatile connection options.
(16) End plate options: E1, standard end plate with external discharge of pilot oil, allowing for an external connection of oil return control port T; E2, similar to E1, with an additional port Y for external discharge; E3, engineered with a 2-position 3-way magnetic ball valve for external discharge of pilot oil, where system pressure seamlessly rises to the safety valve pressure;
E4, similar to E1, featuring internal discharge of pilot oil with the option to seal port T; E5, akin to E2, offering internal discharge of pilot oil with a sealable port T; E6, comparable to E3, with internal discharge of pilot oil and a sealable port T for secure system configurations;
(17) Control Voltage and Anti-Explosion Cable Options: Our Smart Proportional Valve System offers diverse control voltage options tailored to your needs. Choose from the reliable G12-12VDC to ensure seamless operations in various environments.G24 - Experience the power and efficiency with the 24VDC option, perfectly designed to meet high-demand applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - For enhanced operational safety, select our anti-explosion type cables in varying lengths and voltages. Options include G24Ex-3m-24VDC, G12Ex-3m-12VDC, and G24MA-3m-24VDC for tailored safety and performance.12 - Opt for the G12Ex-3m-12VDC to ensure robust performance in sensitive environments.bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As an esteemed subsidiary of the China Baoan Group (stock code: 000009), we proudly represent one of the leading national high-tech enterprises. Our core expertise is dedicated to the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our acclaim as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological prowess and superior quality. This relentless dedication positions us as industry frontrunners, consistently pushing the boundaries of excellence.
Our flagship innovation, the Smart Proportional Valve System for Load Sensitive Applications, stands as the ultimate in advanced hydraulic system control. This expertly engineered marvel is designed for construction machinery and heavy-duty equipment, playing an indispensable role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly collaborate with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our mission to deliver exceptional products, services, and solutions. Our vision is to rise as a globally trusted supplier of premier hydraulic components, setting new global standards of excellence.
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