Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. 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 meticulously 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 empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously 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 may exhibit a slightly slower response, they excel in delivering remarkable 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 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 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Elevate your operations with custom-engineered solutions that are meticulously crafted to harmoniously integrate with your distinct demands. Experience the versatility of customizable configurations that empower you to achieve your desired results with effortless precision and supreme accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: This expertly crafted valve is designed to optimize performance, providing unparalleled control and exceptional effectiveness that elevates your operational capabilities to new heights.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered. Achieve precision tuning for unmatched system efficiency and adaptability, ensuring your operations are consistently at their peak.D/F - Presenting a precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to uphold a defined pressure value. This engineering masterpiece significantly enhances advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, deftly meeting every hydraulic requirement. The /NF configuration caters to systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unparalleled pressure control across a spectrum of applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to exemplary design, skillfully conceived to meet every application, ensuring you acquire a product that seamlessly aligns with your specific needs, delivering consistency and exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration, ensuring optimal efficiency.
(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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-configured options, each offering precision and exceptional efficiency, tailored precisely to your specific requirements.
(10) Valve core function symbols: Explore a diverse range of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional needs with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Achieve peak performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Seamlessly tailor your system's safety measures with our versatile pressure limitation solutions. Select 'N' for no pressure limiting protection, or opt for 'C' to concurrently limit pressure at actuator ports A & B. For those seeking precision, 'A---B---' enables independent pressure limitation for each port. Each option is meticulously measured in bar, ensuring consistent safety and reliability in every scenario.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational control with our bespoke function and pressure outlet settings. Choose 'N' for a straightforward setup devoid of function ON/OFF or pressure outlet; 'X' offers C-type pressure limitation, while 'S/S1' provides AB-type limitation for superior management. Opt for 'A' or 'B' for electrical ON/OFF on side A or B, respectively, each expertly crafted to deliver precision and functionality tailored to your unique requirements.
(14) Operation Modes: Discover a full suite of operation modes crafted for unmatched versatility and accuracy. 'A(1,2)' allows manual operation with either a long or short handle. 'E' introduces electric proportional control, with 'EA(1,2)' melding it with manual operation for supreme adaptability. 'D' delivers electric switching value control, while 'DA(1,2)' includes manual operation capabilities. Experience 'M' for manual friction positioning with a long handle, or explore 'H' and 'F' for purely hydraulic control, featuring pilot oil ports that are either perfectly aligned or perpendicular, guaranteeing optimal control.
(15) Ancillary Block Port Sizes: Elevate your system's adaptability with our finely engineered range of port sizes. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted for flawless integration and adaptation, ensuring peak performance across diverse system applications.
(16) End Plate Options: Delve into our meticulously designed end plate options. 'E1' provides standard features with an external discharge of pilot oil and an oil return control port T. 'E2' adds a port Y for enhanced versatility. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system safety by adjusting pressure to safety valve levels when triggered, ensuring unparalleled performance.
E4, mirroring 'E1', introduces an internal discharge of pilot oil with a sealed port T to boost efficiency. 'E5' retains the robust features of 'E2', offering internal discharge for optimized performance. 'E6' exemplifies the advanced design of 'E3', facilitating sophisticated discharge control for even the most complex system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our dependable and robust range, including G12-12VDC, engineered to maintain safety and reliability in the most demanding conditions. Our diverse options ensure specialized security and performance.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 greatly influenced the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, exemplifying our unwavering dedication to technological progression and superior quality standards. Our exceptional expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a crucial role in vital applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire to set new benchmarks 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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