Introducing our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering innovations effortlessly combine pressure, flow, and directional control into one seamless and elegantly efficient unit, ensuring unrivaled performance and dependability. Comprising three pivotal functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for integration into elite hydraulic systems, essential in premier engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact design, exceptional energy efficiency, and the ability for stepless speed control. Additionally, they allow multiple actuators to function simultaneously under diverse loads, offering unparalleled performance and adaptability for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and unwavering operation. On the other hand, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may demonstrate a slightly delayed response time, they excel in providing outstanding energy-saving performance, making them the superior choice for applications where efficiency is vital. With their innovative engineering and energy-efficient design, HLPSV valves stand out as the ultimate solution for sophisticated hydraulic control demands.
| 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 reliable performance.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and efficiency at its finest.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Compact size with remarkable efficiency.
3-G1/2; Dependable and robust in every application.;
4-G3/4; Offers advanced connectivity features.;
5, 55-G1; Ensures a superior flow rate for demanding applications.;
6-G1 1/4; Delivers unmatched performance and reliability.;
(3) Additional Components and Specifications - Elevating your system's capabilities::
C,Standard Type - A dependable baseline for various requirements.;
G,Throttle Valve (For HLPSL only) - Assures precision control for enhanced system stability.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management for maximum efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Precisely tailored to meet your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency at its core:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads the pump when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered; D./F. . , Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Advanced safety measures ensuring comprehensive protection.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Guaranteeing optimal pressure control and system efficiency.
(7) Product Series Classification - Identifying Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application, these series are designed to provide unmatched adaptability and effectiveness for diverse requirements, ensuring optimal performance and reliability wherever applied.
(8)Thread Size of Directional Spool Valve Ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; These ports allow seamless integration with ancillary blocks or intermediate transition blocks like the ZPL 5S(V)/H hydraulic control shut-off valve, ensuring effective fluid management and control.
(9)Directional Valve Block Inflow Controller Options: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (ideal for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable. Each option is meticulously engineered to cater to specific control needs, enhancing system precision and efficiency.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N; These symbols denote various core functions, providing diverse operational capabilities to meet specialized hydraulic demands.
(11) Output Flow Code for Ports A & B: Available Maximum Output Flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); This extensive range of flow capacities ensures maximum flexibility and performance across different applications.
(12) Secondary Pressure Limitation Options: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, unit (bar). These options offer critical pressure management capabilities, safeguarding system integrity and performance.
(13) Function ON/OFF and Pressure Outlet Options: N, without function ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B; Diverse configurations allow for enhanced operational control, meeting varied pressure and switching needs.
(14) Operation Modes: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), 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 (two pilot oil ports align with oil ports A and B); F, pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively). This comprehensive range of operation modes offers tailored solutions for various operational preferences and application needs.
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; These port sizes are designed for precise compatibility and integration, providing efficient fluid transfer solutions.
(16) End Plate Options: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y is additionally attached; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted; in power supply scenarios, the system pressure rises to the safety valve pressure. These end plate configurations ensure proper fluid discharge and pressure management, enhancing system safety and efficiency.
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed. Offering internal discharge options for enhanced sealing and system integrity.
(17) Control Voltage and the Length of Anti-Explosion Type Cable Options: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G123d8c99f0
Illuminating the landscape of the hydraulic industry since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. stands as a beacon of innovation and excellence. A prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are honored as a distinguished national high-tech enterprise. Our expertise is deeply rooted in the precision-driven research, development, manufacturing, and sales of top-tier hydraulic components. As a nationally recognized 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of technological advancement and unmatched quality. This unwavering commitment propels us as leaders in our domain.
At the heart of our product line is the load-sensitive proportional valve, the embodiment of sophisticated hydraulic system control. Meticulously crafted for construction machinery and heavy-duty equipment, this indispensable component is crucial for critical applications like emergency rescues, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic alliances with numerous leading domestic manufacturers, significantly contributing to the localization of high-end mechanical equipment's core hydraulic components. Guided 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 outstanding products, services, and solutions. Our goal is to rise as a globally trusted provider of superior hydraulic components, setting new standards of excellence worldwide.
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