Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into one cohesive marvel. Ensuring unmatched performance and reliability for any application. Comprised typically of three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously designed for seamless integration into high-end hydraulic systems, crucial for superior engineering machinery. They masterfully manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for diverse applications.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. On the other hand, the HLPSV valves are ingeniously developed for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in delivering outstanding energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal combination of precision, reliability, and efficiency.
| 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 - The keystone of reliability, known for delivering unwavering performance that ensures your operation runs smoothly and efficiently. Depend on this powerhouse to maintain optimum functionality like clockwork, keeping your machinery in peak condition.;
HLPSV: Variable Displacement Pump - A true embodiment of adaptability and versatility, this pump is engineered to cater to a diverse range of operational needs. Its ability to seamlessly transition and provide superior control makes it an indispensable tool for maximizing efficiency and productivity.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, forming a solid foundation for your operations. Masterfully crafted for impeccable performance, this design enhances reliability, ensuring every application achieves top-tier efficiency.:
2-G3/8; Specifically designed for compact settings, offering streamlined and efficient operational flows. With precision-engineered capabilities, it guarantees optimal performance even in confined spaces, meeting the highest standards of operational excellence.
3-G1/2; Constructed for strength and reliability, this connection forms a robust base for maintaining system integrity. Built to endure, it delivers consistent durability even under the most challenging conditions, ensuring longevity and unwavering performance.;
4-G3/4; Offers advanced connectivity and superior system integration. This intelligently designed component boosts your system's efficiency and control, elevating your operational capabilities to new heights.;
5, 55-G1; Equipped for high flow rates, it excels in demanding applications, ensuring reliable and consistent performance. This component is engineered to handle high-pressure situations with ease, making it an essential asset in challenging environments.;
6-G1 1/4; Delivers exceptional performance, expertly crafted to thrive in demanding conditions. This connection sets new industry standards for power and performance, solidifying its standing as an industry leader.;
(3) Additional Components and Specifications - Transforming system capabilities: These advanced components push the boundaries of excellence, ensuring your operations remain at the cutting edge of industry standards.:
C,Standard Type - The backbone of reliability, meticulously crafted to meet essential requirements while providing steadfast support. This reliable foundation ensures your system withstands daily operational demands with unmatched dependability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and enhances system efficiency, allowing operations to be finely tuned for maximum effectiveness and optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for unparalleled performance and reliability, consistently delivering extraordinary results by pushing the boundaries of conventional performance.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailor-made to fit your exact requirements, delivering precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that effortlessly cater to your specific operational needs. Customizable configurations ensure you achieve your desired outcomes with unparalleled convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to enhance your system's performance, delivering unrivaled control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered; Offering precision tuning for unmatched system efficiency.D/F - Unveiling a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a precisely defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly accommodating every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a wide range of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Unlock the potential of peak efficiency with our strategically engineered maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is precisely designed to deliver supreme performance and unwavering dependability, ensuring your systems operate at their best.
(12) Secondary pressure limitation options: Elevate your system's safety with our premium pressure limitation selections: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, allowing independent pressure limitation for ports A & B. Each option is meticulously calibrated in bar, delivering uncompromised protection for your critical operations.
(13) Function ON/OFF and pressure outlet options: Personalize your control with our expertly curated selections: N, for systems without function ON/OFF or pressure outlet; X, incorporating C type pressure limitation; S/S1, featuring AB type pressure limitation; A, providing electrical ON/OFF control on side A; B, featuring electrical ON/OFF control on side B. Each option is engineered for precision and reliability, ensuring seamless functionality.
(14) Operation modes: Discover the power of control with our comprehensive operation modes: A(1,2), offering manual operation with long or short handle options; E, introducing electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, offering electric switching value control; DA(1,2), combining electric switching value control with manual operation; M, featuring manual friction positioning with a long handle; H, providing pure hydraulic control with aligned pilot oil ports for ports A and B; F, featuring pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted to deliver precision and versatility, enabling you to achieve optimal control.
(15) Ancillary block port sizes: Experience exceptional versatility with our precisely engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These meticulously designed options ensure seamless adaptability and flawless integration across a wide array of systems, guaranteeing efficiency and peak performance every time.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, designed to ensure an external discharge of pilot oil with an external oil return control port T; E2, an evolution of E1 with added flexibility through port Y; E3, featuring a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring maximum performance and reliability.
E4 mirrors E1, but innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. Experience enhanced features with E5, which builds on E2 with an internal discharge for top-tier performance. E6 mirrors E3's advanced design, delivering cutting-edge discharge control for complex system requirements, ensuring robust and reliable operations.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including G12-12VDC, specifically tailored for demanding applications with an emphasis on safety and reliability. Our offerings ensure that your operations are both specialized and secure.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Presenting our flagship innovation, the Hydraulic Load Sensing Valve for Improved Mining Machine Safety, a groundbreaking advancement epitomizing the zenith of cutting-edge hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
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Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
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