Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously 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. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable 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, providing an ideal blend 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 - Embodying the very essence of reliability, this pump is the stalwart guardian of consistent performance, granting your system the power to operate with seamless efficiency. With its unmatched trustworthiness, it ensures your machinery functions effortlessly, like a meticulously engineered masterpiece.;
HLPSV: Variable Displacement Pump - This pump stands as a beacon of adaptability and versatility, offering exceptional flexibility to address a wide array of operational challenges. Expertly crafted to adapt to changing demands, it enables effortless transitions and exceptional control.;
(2) Connection Block Ports P & R Specifications - A harmonious blend of precision and reliability, establishing a dependable operational framework: Meticulously crafted to deliver impeccable performance, it elevates reliability across all applications.:
2-G3/8; Engineered for compact excellence, designed to bolster streamlined and seamless operational efficiencies. Perfectly crafted for accuracy, it ensures outstanding performance even in the most constrained environments.
3-G1/2; Designed with robustness at its core, providing a rock-solid foundation for your system's structural integrity. Built for resilience, it offers steadfast durability in the most challenging conditions.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration. By combining sophistication with efficiency, it elevates your system's operational prowess to new heights.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it masterfully tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, this component is expertly engineered to excel in demanding environments and tackle challenges effortlessly, setting new standards in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Unlock the true potential of your operations with cutting-edge components that redefine the very essence of excellence.:
C,Standard Type - The bedrock of reliability, meticulously designed to fulfill essential operational demands. Providing unwavering support and unmatched dependability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, this component enhances your system's overall efficiency. It guarantees your operations are finely tuned for optimal effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizing flow management, this valve ensures unparalleled performance and reliability. It transcends conventional boundaries to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Unlock the potential of custom pressure control solutions for an array of applications: Meticulously tailored to your specific needs, delivering precision control that impeccably aligns with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the zenith of custom-engineered solutions, crafted to seamlessly integrate with your unique operational demands. Revel in customizable configurations that guarantee your aspirations are met with effortless precision and ultimate accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your efficiency and control to new heights: Ingeniously designed to optimize system performance, offering exceptional control and superior effectiveness, revolutionizing your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, powering the pump when engaged, unloading it when disengaged; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Delivering precision-tuned solutions for unmatched system efficiency and unparalleled adaptability.D/F - Presenting a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable precision to sustain a meticulously defined pressure value, greatly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled standards.
(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, meeting every hydraulic requirement with seamless ease. The /NF configuration offers systems sans pressure limiting valve, expertly crafted for HLPSV, delivering unparalleled pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - Exemplifying the Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, skillfully conceived to address every application, ensuring you procure a product that flawlessly aligns with your specific requirements, delivering consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive suite 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. Experience pre-selectable options, each offering precision and exceptional efficiency, crafted to your specific needs.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Discover a world of precision with our meticulously designed pressure limitation configurations. Choose 'N' for systems without pressure limiting protection, 'C' for simultaneous pressure limitation of actuator ports A & B, or 'A---B---' for independent pressure control at each port. Each option is precisely measured in bar, guaranteeing unmatched system safety and reliability in every operation.
(13) Function ON/OFF and Pressure Outlet Options: Transform your system's functionality with our custom-tailored options. Select 'N' for a streamlined setup sans function ON/OFF or pressure outlet. Opt for 'X' with C-type pressure limitation, or 'S/S1' with AB-type for superior control. For electrical ON/OFF, 'A' targets side A, and 'B' suits side B, each crafted for peak precision and functionality, enhancing your operational experience to new heights.
(14) Operation Modes: Engage in a versatile array of operation modes, each engineered for optimal precision. Choose 'A(1,2)' for manual operation with long or short handles. 'E' offers electric proportional control, while 'EA(1,2)' merges it with manual flexibility. Select 'D' for electric switching value control, with 'DA(1,2)' adding manual capabilities. 'M' is designed for manual friction positioning with a long handle. Enjoy 'H' or 'F' for pure hydraulic control, with expertly aligned or perpendicular pilot oil ports, ensuring comprehensive mastery over your system.
(15) Ancillary Block Port Sizes: Experience unparalleled adaptability with our precision-engineered port size selection. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each size is crafted to enable seamless integration and adaptability, ensuring peak performance across a broad spectrum of systems.
(16) End Plate Options: Venture into our expertly designed end plate configurations. 'E1' offers standard excellence with external pilot oil discharge and oil return control port T. 'E2' enhances with an additional port Y for greater versatility. 'E3' introduces a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve thresholds when triggered, promising superior performance.
E4 mirrors 'E1', embodying innovative internal pilot oil discharge with a sealed port T for enhanced efficiency. 'E5' replicates the robust features of 'E2', offering internal discharge for optimal performance. Embrace 'E6' for the refined design of 'E3', providing advanced discharge control for the most complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and secure range, including G12-12VDC, designed for uncompromising safety and reliability, even in the most challenging applications. Each option is crafted for specialization and security, ensuring peace of mind in any environment.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 been a beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise, reflecting our unwavering commitment to advancing technology and maintaining superior quality standards. Our expertise shines through in our meticulous research, groundbreaking development, precise manufacturing, and strategic sales of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are dedicated to excellence, continually reinforcing our leadership position in the industry.
At the core of our product line is our flagship innovation: the Enhanced Safety Atex Valve. This pinnacle of modern engineering encapsulates cutting-edge hydraulic system control, meticulously crafted for construction machinery and heavy-duty equipment. It holds a pivotal role in essential applications, including emergency rescue operations, tunnel engineering, mining projects, and municipal service vehicles. Our dedication to strategic alliances with leading domestic manufacturers fuels the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy - 'serving customers with technology, impressing with attitude, and retaining with quality' - we are committed to delivering exceptional products, unparalleled services, and innovative solutions. Our vision is to become a globally trusted supplier of premier hydraulic components, continually setting new standards of excellence on the international 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.
Question:2. Do you have any MOQ limit for LED light orders?
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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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