Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, crucial for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix 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 unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the apex of hydraulic excellence with our bespoke pressure control solutions, designed for a wide array of applications. Expertly engineered to meet your exact specifications, these options offer superior precision and alignment with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover engineered solutions seamlessly blending with your operational needs. Benefit from customizable configurations that enable you to achieve your desired results with ease and accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's control and efficiency to unprecedented levels: Masterfully designed to enhance performance, delivering unparalleled control and effectiveness that redefines your operational potential.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. Achieve precision control that elevates system efficiency and adaptability.D/F - Introducing an advanced, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable accuracy to sustain a specific pressure value, greatly enhancing safety and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component exemplifies adaptability, fully meeting all hydraulic needs. The /NF configuration offers a system without a pressure limiting valve, expertly crafted for HLPSV, providing exceptional pressure control across diverse applications with supreme precision.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, meticulously crafted to meet every application need, ensuring you receive a product that perfectly aligns with your requirements, delivering consistently superior 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 crafted for seamless and flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Choose from pre-selectable options, each delivering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements with unmatched precision and reliability.
(11) Output Flow Code for Ports A & B: Elevate your hydraulic system to the zenith of efficiency with our meticulously calibrated output flow settings. Choose from a variety of maximum output flows, including 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, each crafted to deliver unparalleled performance and steadfast reliability. Whether your demand is for precision or power, our flow options promise supreme functionality and unwavering dependability.
(12) Secondary Pressure Limitation Options: Unlock a new realm of safety and dependability with our precision-engineered pressure limitation choices. Each option is meticulously calibrated in bar to guarantee your operational peace of mind. Opt for 'N' for no additional pressure limiting protection when tasks are simple and straightforward. For consistent performance requiring simultaneous pressure limitation on actuator ports A & B, select 'C'. For bespoke control, select 'A---B---' to manage ports A and B independently, ensuring that every operation is executed with impeccable system integrity and efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Achieve peak operational excellence with our variety of tailored options designed for maximum performance. For basic operations, 'N' requires no function ON/OFF or pressure outlet. For processes demanding enhanced control, 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation offers unmatched oversight. For precise electrical operations, choose 'A' for ON/OFF on side A or 'B' for side B control. These options are crafted to deliver precision, efficiency, and operational superiority.
(14) Operation Modes: Discover our expansive selection of operation modes, each crafted with precision and versatility for your unique needs. 'A(1,2)' enables manual operation with ergonomic handle options. 'E' offers advanced electric proportional control, while 'EA(1,2)' combines it with manual adaptability for optimal responsiveness. 'D' provides electric switching value control, enhanced with 'DA(1,2)' for manual use. Opt for 'M' for expert manual friction positioning with a long handle. For all-hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring unmatched system control and mastery.
(15) Ancillary Block Port Sizes: Elevate system adaptability and performance with our finely tuned port size choices. Options include /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each designed for flawless integration and exceptional performance across diverse systems and operational scenarios. Trust in our engineered selections to maintain your system at its peak capability.
(16) End Plate Options: Explore our expertly engineered end plate solutions, each designed for superior functionality and adaptability. 'E1' provides external discharge of pilot oil and oil return control port T. 'E2' enhances flexibility with an extra port Y. 'E3' offers advanced capabilities with a 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels when activated, ensuring robust performance and reliability.
E4 mirrors 'E1', with state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' enhances 'E2' with internal discharge for outstanding system performance. 'E6' encapsulates 'E3' with sophisticated discharge control, perfect for demanding requirements, ensuring your system is always at the forefront of efficiency and innovation.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure voltage options, including the G12-12VDC, crafted for safety and reliability in even the most challenging environments. Our offerings are tailored to provide specialized security solutions for every application, ensuring the stability and top-performance of your system.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 pursuit of groundbreaking innovation and unparalleled excellence. As an illustrious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, exemplifying our unwavering commitment to pioneering technological advancements and maintaining superior quality standards. Our extraordinary expertise spans comprehensive research, pioneering development, precise manufacturing, and strategic marketing of premium hydraulic components. Revered throughout the nation as a 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to continuously elevate our standards of excellence, thereby solidifying our position as leaders in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its vital functionality extends across critical applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our unwavering commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to creating exceptional products, delivering unmatched services, and providing groundbreaking solutions. With the ambition to be recognized globally as a trusted supplier of premier hydraulic components, we relentlessly strive 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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