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 cornerstone of unparalleled reliability, ensuring flawless, consistent performance that keeps your system running at peak efficiency. Discover a realm of dependability where your machinery operates effortlessly, maintaining precise and unyielding functionality with every cycle.;
HLPSV: Variable Displacement Pump - Embodying the spirit of adaptability and versatility, this pump offers exceptional flexibility to accommodate a diverse range of operational requirements. Designed to seamlessly adjust to fluctuating demands, it provides superior control for optimal efficiency and smooth transitions.;
(2) Connection Block Ports P & R Specifications - The epitome of precision and reliability, crafting an operational framework you can trust: Each component is meticulously engineered for flawless performance, significantly boosting reliability across all applications. This robust design ensures unwavering, top-tier operation in every scenario.:
2-G3/8; Crafted for compact excellence, this connection supports seamless and efficient operational flows. Impeccably engineered to guarantee optimal performance, even in confined spaces, it ensures each operation adheres to rigorous standards.
3-G1/2; Designed for exceptional strength and reliability, this connection forms a steadfast foundation for system integrity. Built for longevity, it provides unwavering durability under the harshest conditions, ensuring your system's resilience over time.;
4-G3/4; Featuring cutting-edge connectivity, this component offers unparalleled control and enhanced system integration. Its sophisticated design elevates your system, merging efficiency with superior control to amplify operational prowess.;
5, 55-G1; Boasting superior flow rates, this connection is perfect for high-demand applications, delivering consistent and reliable performance. Engineered for excellence, it confidently tackles high-pressure challenges, making it indispensable in demanding environments.;
6-G1 1/4; Exemplifying unmatched performance, this connection excels in challenging environments, effortlessly overcoming obstacles. It sets new standards in power and performance, affirming its status as an industry leader.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unprecedented levels: Unleashing operational potential with cutting-edge components that redefine excellence, enhancing system performance to ensure your operations lead the industry.:
C,Standard Type - A dependable and trusted foundation, meticulously crafted to meet essential operational demands. Providing unwavering support and unmatched reliability, it empowers your system to withstand the challenges of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency. By fine-tuning operations to achieve maximum effectiveness, it effortlessly optimizes your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering exceptional performance and reliability. This component challenges conventional limits to consistently provide extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Unlock bespoke pressure control solutions across diverse applications. Perfectly crafted to meet your exact specifications, this offering guarantees precision control that seamlessly aligns with your operational objectives to enhance your overall productivity and efficiency.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our solutions are tailored with precision to suit your unique operational demands. Benefit from customizable configurations designed to effortlessly achieve your targeted outcomes with unmatched ease and flexibility.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience unparalleled efficiency and control: Meticulously engineered to boost your system's performance, this valve provides exceptional control and outstanding effectiveness, setting a new benchmark for operational excellence.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; Gain precision tuning for unmatched system efficiency and reliability.D/F - Introducing a groundbreaking, impeccably precision-engineered pressure limiting valve for secondary pressure (F50). Crafted with extraordinary precision to maintain exact pressure values, this marvel is designed to elevate advanced safety measures, thus optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component embodies adaptability, seamlessly fitting all hydraulic needs. The /NF configuration, crafted for HLPSV, offers systems without a pressure limiting valve, providing unmatched pressure control across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterclass in design, skillfully crafted to meet every application, ensuring you receive a product that perfectly aligns with your specific requirements, elevating your operational standards.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration into your systems, ensuring optimal performance.
(9)Directional valve block inflow controller options: Select from a full spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specially designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency tailored to your needs.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to address specific functional requirements, ensuring optimal performance and adaptability.
(11) Output flow code for ports A & B: Harness ultimate efficiency with our top-tier maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously crafted for exceptional performance and steadfast reliability.
(12) Secondary pressure limitation options: Select from our elite range to guarantee exceptional system safety: N, offering no pressure limiting protection; C, featuring concurrent pressure limitation for actuator ports A & B; A---B---, providing independent pressure limitation for ports A & B. Each option is precisely calibrated in bar, ensuring uncompromising protection.
(13) Function ON/OFF and pressure outlet options: Personalize your control with our expertly tailored offerings: 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, offering electrical ON/OFF on side B. Each option is engineered for precise and reliable functionality.
(14) Operation modes: Access comprehensive control with our wide array of operation modes: A(1,2), manual operation with either a long or short handle; E, for electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, for electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with a 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 crafted for precision and adaptability.
(15) Ancillary block port sizes: Discover unmatched flexibility with our precisely engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure seamless adaptability and flawless integration across diverse systems, guaranteeing efficiency and optimal performance.
(16) End plate options: Uncover our meticulously developed end plate solutions: E1, guarantees an external discharge of pilot oil and external oil return control port T. E2 builds on E1 with the addition of port Y for enhanced flexibility; E3 features an advanced 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels upon activation, assuring peak performance.
E4 parallels E1, ingeniously incorporating an internal discharge of pilot oil with a sealed port T for improved efficiency. E5 advances E2 features with an internal discharge, ensuring elite performance. E6 reflects the sophisticated design of E3, providing state-of-the-art discharge control for complex system needs.
(17) Control voltage and anti-explosion cable options: Choose from our trusted selection, including G12-12VDC, designed for challenging applications with a focus on safety and reliability. Our offerings promise 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 emerged as a beacon of innovation and excellence within the hydraulic industry. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is recognized as a national high-tech enterprise, highlighting our steadfast commitment to technological progress and superior quality. Our unparalleled expertise spans comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated nationally as a 'specialized, refined, and innovative' small giant enterprise, we maintain an unwavering focus on excellence, reinforcing our leadership position in the field.
Introducing our flagship innovation, the Load Sensitive Valve for Improved Safety in Mining Machine Sections. This enhanced Safety Atex Valve stands as the pinnacle of cutting-edge hydraulic system control technology. Expertly crafted, this vital component is essential for construction machinery and heavy-duty equipment, vital for applications in emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with leading domestic manufacturers, significantly driving the localization of core hydraulic components for advanced mechanical equipment. Anchored by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are relentless in our pursuit to deliver exceptional products, services, and solutions. Our mission is to ascend 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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