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 - The powerhouse of reliability, this component ensures your system operates with unwavering stability. It delivers consistent, seamless performance, embodying a legacy of dependability that guarantees your machinery functions flawlessly, maintaining precision and efficiency at every turn.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and sophisticated design, this pump offers outstanding versatility, effortlessly adjusting to a myriad of operational demands. Its capability to transition smoothly and provide exceptional control results in heightened efficiency and superior performance across diverse applications.;
(2) Connection Block Ports P & R Specifications - These ports represent the intersection of precision and durability, creating a robust foundation for your operations. Carefully engineered to deliver flawless performance, they bolster reliability in every scenario, ensuring your system remains consistent and dependable in all applications.:
2-G3/8; This compact marvel supports smooth, efficient operational flows, even in confined spaces. Engineered for precise performance, it meets the strictest standards, ensuring that every function is executed with excellence.
3-G1/2; Built for strength and dependability, this connection provides a steadfast base, guaranteeing system integrity. Its durability under demanding conditions ensures that your system endures and thrives over time.;
4-G3/4; With advanced connectivity, this option offers unparalleled control and system integration. It elevates operational efficiency and control, bringing together all elements of your system with impressive prowess.;
5, 55-G1; Designed for high-flow applications, this component delivers reliable performance across challenging environments. Its exceptional engineering handles high-pressure situations effortlessly, making it indispensable in demanding scenarios.;
6-G1 1/4; Tailored for peak performance, this connection excels in rigorous environments, managing challenges with exceptional ease. It sets new standards in performance, cementing its status as a leader in its field.;
(3) Additional Components and Specifications - Pushing the boundaries of system capabilities to new heights: Unleash operational potential with cutting-edge components that redefine excellence, enhancing system performance to keep your operations at the pinnacle of industry standards.:
C,Standard Type - A benchmark of reliability, designed to meet essential operational needs with unwavering support. This component empowers your system to endure the challenges of daily operations, ensuring steadfast performance under all conditions.;
G,Throttle Valve (For HLPSL only) - Ensures precise manipulation of system operations, enhancing efficiency and effectiveness. By fine-tuning performance to the highest standards, it optimizes your system's capabilities with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This state-of-the-art component revolutionizes flow management, driving unparalleled performance and unwavering dependability. Engineered to transcend the boundaries of conventional performance, this valve consistently delivers extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored to diverse applications. Expertly crafted to meet your precise requirements, delivering precision control that flawlessly aligns with your operational goals and aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailor-made solutions that effortlessly cater to your unique operational needs. Customizable configurations ensure you achieve your desired outcomes with unmatched ease and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - A masterclass in efficiency and control: Expertly designed to elevate your system's performance, this valve delivers unrivaled control and exceptional effectiveness, optimizing your operations seamlessly.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered; Delivering precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a groundbreaking pressure limiting valve for secondary pressure (F50), meticulously engineered with precision to maintain a precisely defined pressure value. This engineering marvel is crafted to significantly enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover 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, while the /NF configuration exemplifies systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across an extensive 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 masterpiece in design, skillfully conceived to address every application and requirement, ensuring you acquire a product that seamlessly aligns with your specific needs.
(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, meticulously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select 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, perfectly tailored to your needs.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific and demanding functional requirements.
(11) Output flow code for ports A & B: Reach the pinnacle of performance with our maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is meticulously engineered for supreme efficiency and unwavering reliability.
(12) Secondary pressure limitation options: Choose from our elite array of options to ensure top-tier system protection: N, no pressure limiting; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B. These options are precisely calibrated in bar to offer uncompromising safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with our precision-crafted choices: 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 selection is engineered for accurate and dependable operation.
(14) Operation modes: Experience enhanced control with our versatile operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), combines electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrates electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is designed for precision and flexibility.
(15) Ancillary block port sizes: Discover unparalleled versatility with our precisely engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These selections promise seamless adaptability and flawless integration across a wide range of systems, ensuring efficiency and optimal performance.
(16) End plate options: Explore our carefully designed end plate solutions: E1, guarantees external discharge of pilot oil and external oil return control port T. E2 enhances E1 with port Y for added flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring peak performance.
E4 reflects E1 but integrates an internal pilot oil discharge with a sealed port T for heightened efficiency. E5 builds on E2 with an internal discharge, delivering top-tier performance. E6 shares E3's advanced design, offering cutting-edge discharge control for complex system needs.
(17) Control voltage and anti-explosion cable options: Choose from our secure selection, including G12-12VDC, crafted for demanding applications prioritizing safety and reliability. These options guarantee specialization and security.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.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced 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.
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.
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