Presenting the pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true testament to engineering excellence. These groundbreaking components artfully blend pressure, flow, and directional control into one meticulously crafted unit, ensuring extraordinary performance and dependability. Comprising three integral modules: connecting blocks, directional valves, and end plates, these valves are engineered to integrate seamlessly into sophisticated hydraulic systems, essential for elite engineering machinery. They offer precise regulation of movement direction and speed for hydraulic cylinders, motors, and other actuators, ensuring supreme accuracy and command. Noteworthy features include a compact and streamlined structure, remarkable energy efficiency, and seamless speed modulation. Additionally, they empower multiple actuators to function concurrently under diverse load conditions, offering unmatched versatility and top-tier performance across any application.
The HLPSL valves are meticulously designed for use with constant displacement pump systems, offering unwavering and dependable operation. In contrast, the HLPSV valves are expertly crafted for variable pump systems. Though the HLPSV valves may have a slightly delayed response time, they are unparalleled in their energy-saving capabilities, making them the optimal choice for scenarios where efficiency is of utmost importance. With state-of-the-art engineering and an emphasis on energy conservation, the HLPSV valves stand out as the top-tier solution for sophisticated hydraulic control needs.
| 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, ensuring your system always operates at peak efficiency.;
HLPSV: Variable Displacement Pump - Experience adaptability at its finest with this flexible and dynamic component.;
(2) Connection Block Ports P & R Specifications - Delivering the precision you can trust for flawless performance::
2-G3/8; Compact yet highly efficient, perfect for streamlined operations.
3-G1/2; Renowned for its reliability and robust performance.;
4-G3/4; Elevate connectivity with advanced design.;
5, 55-G1; Ensures a superior flow rate for optimal system performance.;
6-G1 1/4; Unmatched performance with a focus on excellence.;
(3) Additional Components and Specifications - Further enhancing system capabilities::
C,Standard Type - Provides a dependable baseline for your system's foundation.;
G,Throttle Valve (For HLPSL only) - Achieve precision control for your hydraulic needs.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterly optimized flow management for elevated performance.;
(4) Pilot Oil Circuit Pressure Options - Offering customizable pressure control for tailored solutions:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option is tailored for your unique needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamline your efficiency effortlessly:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump under power, disengages when unpowered; D - Normally closed magnetic ball valve, engages when powered, activates when unpowered; D./F. . , Incorporates pressure limiting valve for secondary pressure (F50) with specified pressure value; Implements advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings selectable at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensures optimal and controlled pressure management.
(7) Product Series Classification - Identifying excellence: A testament to superior engineering and design,;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application, ensuring a perfect fit for all your operational needs.
(8)Thread size of directional spool valve ports A & B: Precision-crafted to meet diverse requirements,2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve; Offering seamless integration for enhanced performance.
(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 meticulously designed to ensure maximum efficiency and control.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Embodying versatility and adaptability across a broad spectrum of applications.
(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); Accommodating a wide range of flow requirements with precision and reliability.
(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); Ensuring the safety and integrity of your hydraulic system.
(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; Offering flexibility and control at your fingertips.
(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); Designed for seamless adaptability to any control needs, empowering precise and effective operations.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Tailored connections that perfectly complement your system's configuration.
(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; Ensuring optimal performance and reliability in diverse operational scenarios.
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 secure and dependable options for various operational environments.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Empowering you with choice and safety in volatile conditions.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12828092cd
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
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