Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true pinnacle of hydraulic mastery. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. With unparalleled precision and control, they ensure 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. 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 any application.
The HLPSL valves are meticulously crafted 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. These HLPSV valves, while demonstrating a slightly slower response, 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 rise as the premier solution for advanced hydraulic control needs. They offer an impeccable combination of precision, reliability, and efficiency, positioning them as leaders in the field of cutting-edge hydraulic technology.
| 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 cornerstone of unwavering reliability, this pump delivers consistent and dependable performance. It ensures your systems run smoothly and efficiently, maintaining flawless functionality with precision and consistency. Experience the peace of mind that comes with a pump designed to keep everything operating seamlessly, ensuring your machinery's optimal performance without a hitch.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers remarkable flexibility to cater to a broad spectrum of operational requirements. Designed to seamlessly adjust to dynamic demands, it provides smooth transitions and exceptional control, delivering the ultimate in operational efficiency and customization.;
(2) Connection Block Ports P & R Specifications - Where precision perfectly aligns with reliability, creating a robust operational backbone: Crafted with meticulous attention to detail for flawless performance, this design enhances reliability across all applications, ensuring enduring top-tier functionality, no matter the demand.:
2-G3/8; Engineered for compact expertise, this port fosters streamlined, seamless operational flow. It is meticulously designed for precision, delivering optimal performance even in the most confined spaces, ensuring every operation meets rigorous standards with ease.
3-G1/2; Designed for strength and reliability, this connection stands as a solid foundation for system integrity. Constructed for longevity, it assures unwavering durability in the toughest conditions, guaranteeing your system's longevity and resilience.;
4-G3/4; Equipped with advanced connectivity features, this port offers superior control and enhanced system integration. This innovative design elevates your system, merging efficiency with control to boost your operational capabilities.;
5, 55-G1; Designed with superior flow rates, this connection is perfect for high-demand applications, ensuring consistent and reliable performance. Built for excellence, it tackles high-pressure challenges with unmatched ease, making it indispensable in challenging environments.;
6-G1 1/4; Delivering unparalleled performance, this connection is expertly crafted to excel in challenging environments and handle demands with ease. It sets a new standard in power and performance, reinforcing its status as a leader in the industry.;
(3) Additional Components and Specifications - Taking your system's capabilities to new heights: Experience the pinnacle of operational potential with cutting-edge components that redefine excellence. These advanced specifications enhance system performance, ensuring your operations lead the industry standards and remain at the forefront of innovation.:
C,Standard Type - The bedrock of trust and reliability, this foundation is meticulously designed to meet crucial operational needs. Offering solid support and unmatched dependability, it empowers your system to withstand the rigors of daily operations seamlessly.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting system efficiency. By fine-tuning operations for utmost effectiveness, it effortlessly optimizes your system's performance, making it a key player in operational excellence.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for unmatched performance and reliability. This component redefines conventional performance, consistently delivering extraordinary results and pushing the boundaries of what's possible.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for an array of applications: Meticulously tailored to meet your precise requirements, offering precision control that perfectly synchronizes with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions that seamlessly adapt to your unique operational demands. Customizable configurations ensure you achieve your desired results with unparalleled ease and sophistication.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Advancing efficiency and control: Masterfully engineered to elevate your system's performance, delivering superior control and exceptional efficacy.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing it when unpowered; Providing precision tuning for unmatched system optimization.D/F - Introducing a revolutionary, precision-engineered pressure limiting valve for secondary pressure (F50), expertly crafted to sustain a precisely defined pressure value. This engineering marvel is designed to significantly bolster advanced safety measures, thereby optimizing operational security and dependability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly aligning with every hydraulic necessity. The /NF configuration caters to systems without a pressure limiting valve, expertly designed for HLPSV, delivering superior pressure control across expansive applications.
(7) Product Series Classification - The Embodiment of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a paragon of design, skillfully engineered to meet every application, ensuring you acquire a product that seamlessly synchronizes with your exact specifications.
(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, expertly engineered for flawless and seamless incorporation.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to accommodate specific functional requisites.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unwavering reliability.
(12) Secondary pressure limitation options: Elevate your system's safety with our exceptional pressure limitation options, meticulously designed for flawless protection. Choose from: N, offering no pressure limiting protection for straightforward operations; C, providing concurrent pressure limitation for actuator ports A & B, ensuring synchronized safety; A---B---, offering independent pressure limitation for ports A & B, allowing customized safety measures. Each selection is expertly calibrated in bar, delivering unparalleled security and peace of mind.
(13) Function ON/OFF and pressure outlet options: Take control like never before with our expertly designed function ON/OFF and pressure outlet options. Choose from: N, for systems without function ON/OFF or pressure outlet, maintaining simplicity; X, featuring C type pressure limitation for enhanced control; S/S1, offering AB type pressure limitation for additional customization; A, providing electrical ON/OFF on side A for precise operation; B, delivering electrical ON/OFF on side B for selective management. Engineered for precision, each option guarantees reliability and efficiency.
(14) Operation modes: Discover complete operational mastery with our diverse range of modes, each crafted for precision and adaptability. Choose from: A(1,2), for manual operation with either a long or short handle; E, offering electric proportional control for dynamic functionality; EA(1,2), blending electric proportional control with manual operation for ultimate versatility; D, featuring electric switching value control; DA(1,2), combining electric switching value control with manual operation for enhanced flexibility; M, providing manual friction positioning with a long handle; H, offering pure hydraulic control by aligning pilot oil ports with ports A and B; F, delivering pure hydraulic control with perpendicular pilot oil ports for unique system requirements.
(15) Ancillary block port sizes: Discover unmatched adaptability and integration with our precisely engineered ancillary block port sizes. Choices include: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each option is designed to facilitate seamless compatibility and flawless performance across a wide range of systems, ensuring top-tier efficiency and effectiveness.
(16) End plate options: Delve into our meticulously crafted end plate solutions, offering bespoke configurations for optimal performance. Options include: E1, ensuring an external discharge of pilot oil with an external oil return control port T; E2, elevating E1 with the added flexibility of port Y; E3, boasting a sophisticated 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels upon activation for unmatched performance.
E4 mirrors the innovative design of E1, featuring an internal discharge of pilot oil with a sealed port T for superior efficiency. E5 builds upon E2, integrating an internal discharge for peak performance. E6 replicates the advanced configuration of E3, offering state-of-the-art discharge control tailored for complex system demands.
(17) Control voltage and anti-explosion cable options: Safeguard your operations with our secure and specialized control voltage and anti-explosion cable options. Selections include: G12-12VDC, designed for rigorous applications prioritizing safety and reliability. Our comprehensive range guarantees specialized solutions ensuring operational security.G24 - Offering robust voltage options for enhanced performance, ensuring seamless integration across demanding applications.- A diverse selection of voltage and cable solutions, crafted for reliability and tailored to meet specific safety requirements.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Featuring a comprehensive array of high-performance voltage configurations and anti-explosion cable options, each engineered for specialized applications.12 - Precision-engineered voltage selections designed to elevate safety and optimize system operation.bb621436 - Advanced and secure configurations, ensuring unparalleled reliability and performance across diverse applications.
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has ascended to prominence as a beacon of innovation and excellence in the hydraulic industry. A prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is lauded as a national high-tech enterprise, highlighting our steadfast commitment to advancing technology and delivering unparalleled quality. Our unmatched expertise spans comprehensive research, development, manufacturing, and sales of superior hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of excellence, reinforcing our leadership in the field with cutting-edge solutions and industry-leading practices.
Introducing our flagship innovation: the enhanced Safety Atex Valve, which stands as the pinnacle of cutting-edge hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a pivotal role in vital applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in forming strategic partnerships with leading domestic manufacturers, significantly advancing 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 remain resolute in our mission to deliver extraordinary products, services, and solutions. Our vision is to emerge as a globally trusted supplier of premier hydraulic components, consistently setting new standards 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.
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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