Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel of hydraulic innovation. These revolutionary creations represent the pinnacle of engineering excellence, masterfully merging pressure, flow, and directional control into a single, cohesive masterpiece. This extraordinary integration guarantees unmatched performance and reliability across a broad spectrum of applications. Comprising three essential modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for seamless incorporation into high-end hydraulic systems, which are crucial for superior engineering machinery. They precisely modulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and dexterity. Key attributes include a compact structure, remarkable energy efficiency, and the capacity for stepless speed control. Additionally, they support the simultaneous operation of multiple actuators under different load conditions, ensuring outstanding flexibility and performance across various applications.
The HLPSL valves are expertly crafted for constant displacement pump systems, assuring unwavering and dependable operation in any setting. Contrastingly, the HLPSV valves are brilliantly engineered for variable pump systems. While HLPSV valves might exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the optimal choice for environments where efficiency is paramount. With their cutting-edge design and energy-efficient operation, HLPSV valves emerge as the premier solution for advanced hydraulic control challenges, offering the ideal blend of precision, dependability, 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 unwavering reliability, this indispensable component ensures your system operates with seamless efficiency. Experience the peace of mind that comes with consistent, steadfast performance, keeping your operations smoothly running day after day.;
HLPSV: Variable Displacement Pump - Embrace unparalleled adaptability and versatility. This pump is meticulously crafted to provide extraordinary flexibility, perfectly suited to meet diverse operational demands with ease. It offers seamless transitions and exceptional control for any scenario.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, creating an operational framework you can trust. These ports are expertly designed to enhance reliability across all applications with flawless performance.:
2-G3/8; Masterfully crafted for compact efficiency, this design supports streamlined and seamless operational flows. Its engineering ensures optimal performance even in the most confined spaces.
3-G1/2; Built for robustness and resilience, this component provides a reliable foundation for system integrity. Its durability stands firm, even under the most demanding conditions.;
4-G3/4; Featuring cutting-edge connectivity, this element offers superior control and enhances system integration. By combining sophistication with efficiency, it elevates your system's operational capabilities.;
5, 55-G1; With exceptional flow rates, this is ideal for high-demand applications, consistently delivering reliable performance. Its design excellence effortlessly conquers high-pressure challenges.;
6-G1 1/4; Delivering unparalleled performance, this component excels in demanding environments, tackling challenges with grace. It sets new standards for power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: These advanced components unlock your system's potential, redefining excellence and setting new standards in operational performance.:
C,Standard Type - A steadfast foundation, crafted with precision to meet fundamental operational needs. This component provides unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing system efficiency. Fine-tunes your operations for peak effectiveness and reliability.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unmatched performance and reliability. Pushes beyond conventional limits to achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Elevate your operations with bespoke pressure control solutions tailored to meet a myriad of applications: Our solutions are meticulously designed to align with your precise needs, delivering precision control that perfectly matches your strategic operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our solutions are engineered to seamlessly fulfill your unique operational demands. Enjoy customizable configurations designed to ensure you effortlessly achieve your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Unleash unparalleled efficiency and control: Expertly crafted to enhance your system's performance, this valve offers unmatched control and exceptional effectiveness.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; Precision tuning delivers extraordinary system efficiency.D/F - Introducing a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with an exceptional degree of precision to sustain a specifically defined pressure level. This engineering marvel significantly boosts advanced safety measures, elevating 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 embodies adaptability, flawlessly catering to every hydraulic requisite. The /NF configuration offers expertly crafted systems without a pressure limiting valve for HLPSV, delivering unrivaled pressure control across a wide array of 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 conceived to cater to every application, ensuring you obtain a product perfectly aligned with your distinct requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, artfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Explore a comprehensive selection 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 superior efficiency.
(10) Valve core function symbols: Delve into an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for peak performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Elevate your operational safety with our selective pressure limitation features: Choose 'N' for no pressure limiting protection, 'C' for concurrent pressure limitation on actuator ports A & B, or opt for 'A---B---' for independent pressure limitation on ports A & B. Each choice is meticulously calibrated in bar, ensuring unyielding reliability and protection for your systems.
(13) Function ON/OFF and Pressure Outlet Options: Customize your system's operational dynamics with our versatile options: Select 'N' to forgo function ON/OFF and pressure outlet, 'X' for C type pressure limitation, 'S/S1' for AB type pressure limitation, 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B. Every selection is precisely engineered for optimal control and unparalleled functionality.
(14) Operation Modes: Navigate through a spectrum of operation modes tailored for your needs: 'A(1,2)' provides manual operation with a choice of long or short handle, 'E' offers electric proportional control, 'EA(1,2)' combines electric proportional control with manual operation, 'D' introduces electric switching value control, 'DA(1,2)' merges electric switching value control with manual operation, 'M' enables manual friction positioning with a long handle, 'H' gives you pure hydraulic control aligning pilot oil ports with ports A and B, and 'F' provides pure hydraulic control with perpendicular pilot oil ports. Each mode is masterfully crafted for comprehensive, precise control.
(15) Ancillary Block Port Sizes: Experience unmatched versatility with our precision-engineered port size options: '/2 G3/8', '/3 G1/2', '/4 G3/4', '/5 G1'. These configurations are thoughtfully crafted to assure seamless adaptability, flawless integration, and exceptional performance across a multitude of systems, enhancing your operational efficiency.
(16) End Plate Options: Explore our meticulously designed end plate solutions: 'E1' offers a standard external discharge of pilot oil and an external oil return control port T. 'E2' adds port Y for enhanced flexibility. 'E3' features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring optimal performance and reliability.
In our advanced configurations, 'E4' echoes 'E1' by integrating an internal discharge of pilot oil with a sealed port T, delivering superior efficiency. 'E5' mirrors the capabilities of 'E2' with an internal discharge for enhanced performance. 'E6' replicates the intricate design of 'E3', offering advanced discharge control to meet even the most complex system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure, specialized range including 'G12-12VDC', crafted for uncompromised safety and reliability, even in the most challenging environments. Our selection ensures dedicated specialization and robust 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 proudly been a pioneer of innovation and quality within the hydraulic industry. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we have earned our reputation as a national high-tech enterprise by continuously pushing the boundaries of technological advancement and maintaining superior quality standards. Our expertise seamlessly extends through the meticulous research, cutting-edge development, precision manufacturing, and strategic sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, our steadfast dedication to excellence solidifies our leadership position in the industry.
Introducing our flagship innovation, the enhanced Safety Atex Valve-an epitome of leading-edge hydraulic system control. This meticulously engineered component is tailor-made for construction machinery and robust heavy-duty equipment, indispensable in critical arenas such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with prominent domestic manufacturers, significantly bolstering the localization of essential hydraulic components for high-end mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-reflects our unwavering commitment to providing outstanding products, unparalleled services, and innovative solutions. Our mission is to ascend as a globally trusted supplier of premium hydraulic components, continually setting unprecedented standards 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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