Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering marvels represent the pinnacle of hydraulic innovation, brilliantly combining pressure, flow, and directional control into a unified, extraordinary masterpiece. This ensures unparalleled performance and dependability in every application. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously crafted for effortless integration into sophisticated hydraulic systems, which are essential for elite engineering machinery. They meticulously govern the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the unique capability of stepless speed control. Furthermore, they empower multiple actuators to function simultaneously under varying loads, delivering remarkable performance and adaptability for any application.
The HLPSL valves are masterfully crafted for constant displacement pump systems, ensuring unwavering and dependable operation in any setting. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the leading solution for advanced hydraulic control needs, offering an optimal 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 - The cornerstone of reliability, delivering unwavering and consistent performance, ensuring seamless and efficient operations throughout your hydraulic system. Embrace the exceptional dependability that keeps your operations running effortlessly and smoothly.;
HLPSV: Variable Displacement Pump - A pinnacle of adaptability and flexibility, offering remarkable versatility to cater to an extensive array of operational needs. Expertly designed to adjust to the dynamic demands, it enables seamless transitions and provides superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets unwavering reliability, establishing a dependable operational framework: Carefully crafted for impeccable performance, enhancing reliability across all applications.:
2-G3/8; Designed for compact efficiency, supporting seamless and streamlined operational flows. Perfectly engineered with precision, guaranteeing optimal performance even within constrained spaces.
3-G1/2; Designed for strength and reliability, providing a sturdy foundation for system integrity. Built for endurance, delivering consistent durability under the most rigorous conditions.;
4-G3/4; Offering advanced connectivity, superior control, and enhanced system integration. A blend of sophistication and efficiency, elevating your system's operational capabilities.;
5, 55-G1; Equipped with exceptional flow rates, perfect for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, tackling high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, skillfully engineered to excel in demanding environments and effortlessly tackle challenges. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights: Unlocking the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A trusted and reliable foundation, meticulously designed to meet essential operational requirements. Offers steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. Fine-tunes your operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability. Surpasses conventional performance for extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored to your needs, providing 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); Providing tailored solutions to seamlessly meet your specific operational demands. Customizable configurations to ensure you achieve your desired outcomes with ease. Our solutions are designed to perfectly align with your unique needs, offering you the flexibility and precision to enhance your system's performance effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: Designed to optimize your system's performance, delivering unparalleled control and superior effectiveness. This valve represents the pinnacle of innovation, ensuring optimal functionality and reliability in every application.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 unparalleled system efficiency. Experience seamless operation and top-tier precision with our expertly engineered valve options.D/F - Presenting a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a specifically defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability to unparalleled heights. Achieve a new standard of safety and operational efficiency with this cutting-edge solution.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications. Discover the true essence of adaptability and precision in hydraulic control.
(7) Product Series Classification - The Epitome of Engineering Excellence: Unveiling the embodiment of innovation and precision, our product series showcases the zenith of engineering brilliance, ensuring every solution aligns flawlessly with your operational needs.;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements. Experience unparalleled excellence in design, crafted to meet the highest standards of performance and reliability.
(8)Thread size of directional spool valve ports A & B: Discover precision engineering with thread sizes meticulously crafted for seamless integration, ensuring flawless performance and reliability in every application.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. Each component is expertly designed to provide optimal functionality and reliability.
(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. Our range of controllers is designed to provide exceptional control and efficiency, perfectly tailored to your needs.
(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. Discover the ultimate in customization and functionality, tailored to enhance your system's performance.
(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 designed for supreme performance and dependability. Experience top-tier performance and reliability with our expertly engineered flow options.
(12) Secondary pressure limitation options: Select 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 meticulously measured in bar to ensure uncompromising system safety. Our innovative solutions ensure the highest safety standards, providing peace of mind and operational excellence.
(13) Function ON/OFF and pressure outlet options: Elevate your operational capabilities with our customizable selections: N, opt for no function ON/OFF or pressure outlet; X, choose the C type pressure limitation for precise control; S/S1, experience AB type pressure limitation; A, engage with electrical ON/OFF on side A; or B, activate electrical ON/OFF on side B. Each option is meticulously engineered to deliver precision and unrivaled functionality.
(14) Operation modes: Explore our extensive array of operation modes designed to suit your every need: A(1,2), manual operation with the choice of long or short handle; E, electric proportional control for enhanced precision; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control for dynamic adjustments; DA(1,2), combines electric switching value control with manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, pure hydraulic control featuring perpendicular pilot oil ports. Each mode is expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Embrace versatility with our intelligently designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each intricately engineered option ensures seamless adaptability and flawless integration across a wide array of systems, guaranteeing efficiency and peak performance.
(16) End plate options: Immerse yourself in our sophisticated end plate solutions: E1, the standard choice, provides external discharge of pilot oil and an external oil return control port T. E2 expands on E1 with the addition of port Y for enhanced flexibility, while E3 features an advanced 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring top-tier performance.
E4, reminiscent of E1, innovatively includes an internal discharge of pilot oil with a sealed port T, boosting efficiency. E5 mirrors E2's robust features with internal discharge, ensuring optimal performance. E6 reflects the sophisticated design of E3, offering advanced discharge control in each variant to meet the demands of complex systems.
(17) Control voltage and anti-explosion cable options: Select from our secure and adaptable range, including G12-12VDC, crafted for utmost safety and reliability in the most challenging applications. Our options assure 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 been a shining beacon of innovation and excellence within the hydraulic industry. Operating with prestige as a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our unwavering dedication to technological advancement and superior quality. Our unparalleled expertise spans the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to excellence, continually solidifying our position as leaders in the field.
Our flagship creation, the enhanced Safety Atex Valve, stands proudly at the pinnacle of cutting-edge hydraulic system control innovations. This expertly engineered component is meticulously designed for use in construction machinery and heavy-duty equipment, fulfilling vital roles in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually 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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