Introducing the pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves by Jiangsu KM Hydraulic Control System Co., Ltd.! These groundbreaking engineering feats are the epitome of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into an exceptional, unified system. This ingenious fusion ensures unrivaled performance and reliability across a myriad of applications. Constructed from three vital functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are the perfect fit for high-end hydraulic systems, indispensable for elite engineering machinery. They masterfully regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact design, outstanding energy efficiency, and the ability for stepless speed control. Additionally, they enable the simultaneous operation of multiple actuators under varying loads, ensuring extraordinary performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, guaranteeing steadfast and reliable operation in any environment. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they shine in remarkable energy-saving performance, making them the ultimate choice where efficiency is paramount. With their state-of-the-art engineering and energy-conscious design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering a flawless 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 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 ultimate in power and precision with our bespoke pressure control solutions, designed to meet the diverse needs of your applications. These options are crafted with precision engineering, ensuring top-tier accuracy and perfect alignment 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 seamlessly integrate with your specific demands. Enjoy tailored configurations that empower you to achieve desired outcomes with effortless precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control with this expertly crafted solution, providing unmatched control and extraordinary effectiveness to revolutionize your operational capabilities.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 tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to maintain a specifically designated pressure value, significantly enhancing safety measures and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling all hydraulic requirements. The /NF configuration offers systems without a pressure limiting valve, designed with precision for HLPSV, providing unrivaled pressure control with supreme accuracy.
(7) Product Series Classification - A Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies design mastery, crafted to meet every application need, ensuring a product that perfectly aligns with your requirements, consistently delivering exceptional 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, engineered for flawless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Explore a comprehensive array 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. Each option offers precision and exceptional efficiency, customized to your precise needs.
(10) Valve core function symbols: Discover an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Experience the pinnacle of hydraulic efficiency with our comprehensive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously crafted to deliver unparalleled performance and unwavering reliability, ensuring your hydraulic applications operate at their best.
(12) Secondary Pressure Limitation Options: Unlock unmatched safety and operational reliability with our sophisticated pressure limitation options, precision-calibrated in bar for assured peace of mind. Choose 'N' for operations that do not require pressure limiting protection, perfect for straightforward tasks. Opt for 'C' to activate pressure limitation on ports A & B for consistent and reliable performance. For customized, independent control, select 'A---B---', allowing specialized management of ports A and B. Every option is crafted to uphold stringent standards of system integrity, guaranteeing secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational efficiency with our diverse range of customizable options designed for optimal performance. For basic operations, choose 'N' with no ON/OFF or pressure outlet requirements. If enhanced control is essential, 'X' alongside C type pressure limitation offers ideal management, or select 'S/S1' with AB type limitation for superior oversight. For precise electrical control, opt for 'A' for side A ON/OFF functionality or 'B' for side B. Each choice is precisely engineered to deliver maximum precision and operational excellence.
(14) Operation Modes: Discover the epitome of versatility and precision with our array of operation modes. 'A(1,2)' offers manual operation with long or short handle options tailored to your ergonomic preferences. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines it with manual operation for ultimate adaptability. 'D' offers electric switching value control, enhanced by 'DA(1,2)' for manual versatility. Choose 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance system adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless system integration. Each option offers unmatched adaptability, ensuring peak performance across diverse systems and operational requirements, keeping your system at the forefront of efficiency.
(16) End Plate Options: Unveil our expertly developed end plate solutions, tailored for superior functionality and adaptability. 'E1' features external discharge of pilot oil and oil return control port T, setting the standard. 'E2' includes an additional port Y for enhanced flexibility. 'E3' is crafted for advanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring unmatched functionality and reliability.
E4 mirrors 'E1', offering cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines the robust elements of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', delivering advanced discharge control, ideal for the most demanding system needs, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Opt from our secure voltage options, such as the G12-12VDC, expertly designed for safety and reliability, even in challenging environments. Our solutions ensure system stability and performance are never compromised, offering specialized security tailored for any application.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its dynamic debut in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has set the hydraulic industry ablaze with an unwavering commitment to innovation and a passion for unparalleled excellence. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are not just a national high-tech enterprise; we are a beacon of technological advancement and quality. Our extraordinary expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our mission to elevate standards and solidify our leadership in the industry.
At the core of our revolutionary product portfolio lies our crown jewel: the Enhanced Safety Atex Valve. This engineering masterpiece embodies the pinnacle of hydraulic system control, designed with precision to integrate seamlessly into construction machinery and heavy-duty equipment. Its vital role is indispensable across essential applications, from life-saving emergency rescue operations to intricate tunnel engineering, ambitious mining endeavors, and the indispensable functioning of municipal service vehicles. Our unwavering dedication to forging strategic partnerships with top domestic manufacturers accelerates the localization of pivotal hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing with our attitude, and retaining through quality'-we are devoted to crafting exceptional products, delivering unparalleled services, and pioneering innovative solutions. Aspiring to be globally recognized as a premier supplier of hydraulic components, we are committed to 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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