Introducing a revolution in hydraulic solutions with the state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they are masterpieces of engineering excellence and the pinnacle of innovative hydraulic technology. With seamless integration of pressure, flow, and directional control into a single, harmonious system, these valves promise unmatched performance and reliability across all applications. They consist of three essential functional modules - connecting blocks, directional valves, and end plates - engineered with precision to be an indispensable part of elite hydraulic systems vital for top-tier engineering machinery. These valves meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering extraordinary precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and the ability for stepless speed regulation. Moreover, they enable simultaneous operation of multiple actuators under varying loads, offering unmatched performance and versatility tailored to any application.
The HLPSL valves are crafted with expertise for constant displacement pump systems, ensuring steadfast and reliable operation across all scenarios. In parallel, the HLPSV valves are designed with mastery for variable pump systems. Although the HLPSV valves may have a marginally slower response time, their outstanding energy-saving performance distinguishes them as the ultimate choice when efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable blend of precision, reliability, and energy conservation.
| 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 - This steadfast cornerstone of dependability delivers unwavering and consistent performance, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, enabling pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered, and pressurization when unpowered;D/F - Elevate your safety protocols to new heights with our precision-engineered pressure limiting valve, crafted meticulously for secondary pressure (F50). This cutting-edge feature ensures unparalleled safety measures, boosting operational security and reliability to impressive standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unprecedented versatility and precision with pressure settings adjustable from 63 to 400 bar. This component is the epitome of adaptability, seamlessly accommodating a wide array of hydraulic demands. For configurations with ease, /NF symbolizes no pressure limiting valve, meticulously optimized for HLPSV, ensuring flawless pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering brilliance, expertly constructed to cater to diverse applications, offering you a product perfectly aligned with your exacting specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precision-engineered for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from a broad selection: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, crafted specifically for the N 3/3-way valve; 5, superior inflow controller; 8, pre-selectable options, each delivering precision and remarkable efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet specific functional demands with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously engineered to deliver top-tier performance and reliability.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with choices like: N, without function ON/OFF or 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, each option expertly crafted for precise control and functionality.
(14) Operation modes: Select from a comprehensive range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously designed for comprehensive and precise control.
(15) Ancillary block port sizes: Experience the epitome of precision with our expertly engineered port size options, crafted for unparalleled adaptability and seamless integration. Choose from our meticulously designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection offers the ultimate in flexibility, perfectly tailored to meet your specific requirements with exceptional efficiency and performance.
(16) End plate options: Dive into our remarkable array of meticulously crafted end plate solutions. E1 is our quintessential choice, boasting an external discharge of pilot oil and an external oil return control port T. Elevate to E2 for even more sophistication, featuring an additional port Y. Explore the cutting-edge innovation of E3, which includes a 2-position 3-way magnetic ball valve. This transforms your system's pressure to the highest safety valve standards when activated, ensuring extraordinary performance and reliability.
E4, resembling E1, distinguishes itself with the internal discharge of pilot oil and a sealed port T. E5 reflects the excellence of E2, upgraded with internal discharge capabilities. Embark on innovation with E6, mirroring the advanced design of E3. Each variant guarantees superior discharge control, ensuring your system functions with maximum efficiency and outstanding performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our extensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications that require unmatched safety and flawless compatibility.G24: The ultimate choice for powerful performance and steadfast reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Amplify your strategic selections with these options, designed for optimal efficiency and versatility across a variety of demanding environments.12: A hallmark of precision and dependability, crafted for seamless integration into your systems.bb621436: The emblem of excellence, setting a benchmark in our cutting-edge design.
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 enhanced Safety Atex Valve, the flagship product, embodies 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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