Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. 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 precisely 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 enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly 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 might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise 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 - Discover the epitome of reliability with this cornerstone of your hydraulic system. It delivers a smooth and efficient performance that ensures your operations run seamlessly and without interruption. Count on its steadfast dependability to keep your business operating like a finely tuned machine.;
HLPSV: Variable Displacement Pump - Embrace the pinnacle of versatility and adaptability. This pump provides exceptional flexibility, accommodating a vast array of operational demands with ease. It is precisely engineered to adjust seamlessly to changing conditions, offering you superior control and smooth transitions.;
(2) Connection Block Ports P & R Specifications - The embodiment of precision and reliability, forming a stable operational foundation. Crafted with meticulous attention to detail, it enhances the dependability of your system, ensuring exceptional performance in every application.:
2-G3/8; Engineered for compact efficiency, this port is designed to support seamless and streamlined operational flows. It ensures optimal performance even in the tightest spaces with unparalleled precision.
3-G1/2; This port is robustly engineered for unmatched reliability, providing a strong foundation for your system's integrity. It is designed to withstand demanding conditions, delivering consistent, long-lasting performance.;
4-G3/4; With advanced connectivity, this port offers superior control and enhanced integration, elevating the sophistication and efficiency of your system's operations.;
5, 55-G1; Designed for high-demand applications, this port boasts superior flow rates, ensuring consistent performance in high-pressure scenarios. It is crafted to tackle challenges with ease and excellence.;
6-G1 1/4; This port delivers unmatched performance, excelling in demanding environments. It is expertly designed to set new benchmarks in power and operational prowess.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unprecedented levels. Unleash the full potential of your operations with advanced components that redefine excellence and enhance productivity.:
C,Standard Type - A robust and reliable foundation, expertly designed to meet essential operational needs. It provides unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency. It fine-tunes your operations for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximize your system's flow management with this valve that drives outstanding performance and reliability, challenging the limits of conventional performance to deliver remarkable results.;
(4) Pilot Oil Circuit Pressure Options - Provide customized pressure control solutions tailored to diverse application needs. Deliver precision control perfectly aligned with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our expertly crafted solutions cater to your unique operational needs, ensuring smooth and efficient functionality. Offering adaptable configurations, we empower you to effortlessly achieve your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's capabilities with optimized performance, granting exceptional control and unmatched efficiency.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; Achieve unrivaled system efficiency through precision tuning.D/F - Introducing a cutting-edge, meticulously engineered pressure limiting valve for secondary pressure (F50), created with precision to uphold a defined pressure value. This innovative solution significantly bolsters safety, optimizing security and operational reliability to new standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of flexibility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component defines adaptability, seamlessly fulfilling all hydraulic needs. The /NF setup offers systems devoid of a pressure limiting valve, expertly designed for HLPSV, delivering unparalleled pressure control across varied applications.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series showcases innovative design, skillfully crafted to meet every application, ensuring a product that flawlessly fits your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for impeccable and seamless integration.
(9)Directional valve block inflow controller options: Select from a broad range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency.
(10) Valve core function symbols: Uncover a wide array of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to satisfy specific functional needs.
(11) Output flow code for ports A & B: Attain peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all precisely calibrated in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor a seamless control experience with our innovative options: N, without function ON/OFF or pressure outlet; X, with C type pressure limitation; S/S1, featuring AB type pressure limitation; A, offering electrical ON/OFF on side A; B, providing electrical ON/OFF on side B. Each option is meticulously engineered for precise control and unparalleled functionality, ensuring your system operates flawlessly.
(14) Operation modes: Experience ultimate versatility with our diverse array of operation modes: A(1,2), allowing manual operation with a choice of long or short handle; E, providing 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, delivering pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, providing pure hydraulic control with perpendicular pilot oil ports. Each mode is expertly crafted for comprehensive and precise control, tailored to meet the demands of various applications.
(15) Ancillary block port sizes: Discover unparalleled adaptability with our ingeniously crafted port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously engineered to ensure seamless integration across a wide range of systems. Experience efficiency and optimal performance with solutions designed to meet diverse needs, emphasizing versatility at its finest.
(16) End plate options: Explore our meticulously engineered end plate solutions that promise precision and adaptability: E1, the standard choice, guarantees an external discharge of pilot oil and a controlled external oil return port T. E2 enhances E1 by adding port Y, offering additional flexibility; E3 is equipped with a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak operational performance.
E4, reflecting E1's strengths, innovatively integrates an internal discharge of pilot oil with a sealed port T, enhancing efficiency. E5 mirrors E2's robust features with an internal discharge, ensuring optimal performance. E6 encapsulates the sophisticated design of E3, offering advanced discharge control in every variant to expertly meet complex system demands.
(17) Control voltage and anti-explosion cable options: Select from our secure and versatile range, including G12-12VDC, crafted to ensure safety and reliability in the most challenging environments. Our options are designed for specialization, security, and dependable performance in demanding applications.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 emerged as a beacon of innovation and excellence in the hydraulic industry. As a proud and distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we are acclaimed as a national high-tech enterprise, epitomizing our unwavering commitment to technological advancement and unparalleled quality. Our expertise extends across rigorous research, pioneering development, meticulous manufacturing, and strategic sales of premium hydraulic components. Esteemed as a national 'specialized, refined, and innovative' small giant enterprise, we persistently strive for excellence, reinforcing our leadership in the industry.
Our flagship innovation, the enhanced Safety Atex Valve, stands as the zenith of cutting-edge hydraulic system control. This meticulously engineered component is tailored for construction machinery and robust heavy-duty equipment, playing an indispensable role in vital applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on our strategic collaborations with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our mission to deliver exceptional products, services, and solutions. Our ambition is to be recognized as a globally trusted supplier of premier hydraulic components, continuously setting new benchmarks 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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