Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels embody the highest standards of hydraulic innovation, skillfully merging pressure, flow, and directional control into a single, cohesive unit. This ensures unparalleled performance and unwavering reliability in every application. Typically composed of three critical functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves are crafted for seamless integration into high-end hydraulic systems, essential for superior engineering machinery. They meticulously govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower 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 reliable operation in any environment. In contrast, the HLPSV valves are ingeniously engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering impressive energy-saving performance, making them the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal 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 backbone of reliability, this pump ensures unwavering and consistent performance, empowering smooth and proficient operations across your system. Experience the unmatched dependability that keeps your machinery operating like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump offers exceptional flexibility to meet a broad spectrum of operational needs. Crafted to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework: Crafted with meticulous attention to detail for flawless performance, elevating reliability across every application.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces.
3-G1/2; Designed for robustness and reliability, providing a solid foundation for your system's integrity. Built to endure, delivering steadfast durability in the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: Unlocking the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. It guarantees your operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability. It surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Tailored to your specific needs, providing precision control that aligns perfectly with your operational goals.0 - Without a pressure reducing valve; 1 - Equipped with a pressure reducing valve (20 bar); 2 - Featuring a pressure reducing valve (40 bar). Delve into our custom-engineered solutions, meticulously crafted to perfectly align with your distinct operational needs. Revel in the flexibility of customizable configurations designed to help you achieve your precise objectives effortlessly and with unparalleled accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your operational efficiency and command: Meticulously engineered to enhance your system's performance, this valve delivers extraordinary control and unmatched effectiveness, transforming your capabilities into a new dimension of excellence.C - Absent magnetic ball valve; F - Normally open magnetic ball valve, engages the pump when energized, unloading occurs when de-energized; D - Normally closed magnetic ball valve, facilitates unloading when energized, pressurizing upon de-energization. Achieve exceptional precision and unparalleled system efficiency with adaptable solutions.D/F - Presenting a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This innovative component is crafted with exceptional precision to uphold a specifically defined pressure value, significantly advancing safety measures and optimizing system security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate adaptability and precise control with adjustable settings ranging 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes versatility, effortlessly accommodating every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, meticulously designed for HLPSV, ensuring extraordinary pressure regulation across various applications with absolute precision.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design and engineering excellence, thoughtfully conceived to meet every application need. Procure a product that seamlessly aligns with your specific requirements, ensuring consistently outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for flawless integration, guaranteeing optimal performance efficiency.
(9)Directional valve block inflow controller options: Choose from a vast spectrum of options: 1, devoid of inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-selectable options, each crafted to deliver precision and exceptional efficiency, tailored to your distinct needs.
(10) Valve core function symbols: Explore an expansive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy specific functional demands with unmatched precision and reliability.
(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 dependability.
(12) Secondary pressure limitation options: Discover unparalleled protection with our secondary pressure limitation settings. Options include: N for no pressure limiting protection; C for concurrent pressure limitation across actuator ports A & B; and A---B---, which independently limits pressure for each port. Each selection is precisely measured in bar, guaranteeing absolute system safety and dependability.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operational capabilities with our bespoke settings. Opt for 'N' for a simplified configuration without function ON/OFF or pressure outlet. Choose 'X' with C type pressure limitation for heightened control, or 'S/S1' with AB type pressure limitation for superior precision. Select 'A' or 'B' for electrical ON/OFF on side A or B respectively, each engineered for maximum accuracy and operational excellence.
(14) Operation Modes: Dive into a diverse set of operation modes crafted for adaptability and accuracy. 'A(1,2)' facilitates manual control with both long and short handle options. 'E' provides electric proportional control, while 'EA(1,2)' melds it with manual operation for unparalleled versatility. 'D' offers electric switching value control, enhanced by 'DA(1,2)' for manual operation capabilities. 'M' is specifically designed for manual friction positioning with a long handle, while 'H' and 'F' deliver pure hydraulic control, with pilot oil ports either aligned or perpendicular, guaranteeing expansive control.
(15) Ancillary Block Port Sizes: Achieve exceptional adaptability with our meticulously engineered port size choices. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is thoughtfully crafted to ensure perfect integration and adaptability, ensuring optimal performance across diverse systems.
(16) End Plate Options: Delve into our precisely engineered end plate selections. 'E1' is your standard choice, providing external discharge of pilot oil with an oil return control port T. 'E2' advances with an additional port Y for enhanced flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels upon activation, ensuring top-tier performance.
E4, mirroring 'E1', integrates an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' duplicates the robust features of 'E2' with an internal discharge for peak performance. 'E6' exemplifies the sophisticated design of 'E3', delivering superior discharge control tailored for intricate system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our safe and reliable selection, including G12-12VDC, engineered for security and reliability even in the most demanding environments. Our options are tailored to offer specialization and safety.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 illuminated the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. Proudly operating under the esteemed China Baoan Group (stock code: 000009), we shine as a national high-tech enterprise, exemplifying our dedication to technological advancement and superior quality. Our expertise spans meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we steadfastly pursue excellence, reinforcing our leadership position in the industry.
At the heart of our product line is the flagship innovation: the Enhanced Safety Atex Valve. This modern engineering marvel represents the pinnacle of state-of-the-art hydraulic system control, expertly crafted for use in construction machinery and heavy-duty equipment. It is essential for applications ranging from emergency rescue operations to tunnel engineering, mining activities, and municipal service vehicles. We are deeply committed to strategic alliances with leading domestic manufacturers, driving the localization of core hydraulic components for high-end machinery. Guided by our philosophy-'serving customers with technology, impressing with attitude, and retaining with quality'-we strive to deliver outstanding products, unparalleled services, and innovative solutions. Aiming to become a globally trusted supplier of premier hydraulic components, we continuously aspire to set 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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