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 - Elevate your operations with bespoke pressure control solutions engineered for diverse scenarios. Designed with meticulous precision to cater to your unique specifications, these options deliver exceptional accuracy and alignment with your goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing purpose-built solutions that seamlessly merge with your operational needs. Experience customizable configurations that enable you to achieve your targeted outcomes effortlessly and precisely.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplify your system's efficiency and governance: Skillfully designed to enhance your system's performance, offering extraordinary control and effectiveness that transforms your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when energized, deactivating it when not; D - Normally closed magnetic ball valve, deactivating the pump when energized, activating it when not. Expert precision tuning that delivers unmatched system efficiency and adaptability.D/F - Unveiling a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with flawless precision to maintain a specifically designated pressure value, significantly enhancing safety measures and optimizing operational security and reliability to unparalleled levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the height of versatility and precision with adjustable settings spanning 63 to 400 bar levels. This component embodies adaptability, effortlessly meeting every hydraulic demand. The /NF configuration provides systems without a pressure limiting valve, precisely designed for HLPSV, offering superior pressure control for varied applications with exceptional accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series showcases a masterclass in design, expertly crafted to cater to every application, ensuring you procure a product that aligns seamlessly with your requirements, delivering 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 engineered for flawless and seamless 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, crafted for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each providing precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore an extensive collection 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's performance with our versatile output flow options for ports A and B, offering a range that caters to your every need. Our maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min are crafted to deliver peak efficiency, ensuring that every project you undertake is executed with supreme performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Discover a new level of safety and reliability with our expertly engineered secondary pressure limitation options. Perfectly tuned bar calibrations ensure a worry-free operation. Choose 'N' for tasks where pressure limiting protection is not required, providing straightforward efficiency. Opt for 'C' to simultaneously limit pressure on actuator ports A & B for seamless, consistent performance. For a personalized touch, 'A---B---' offers independent control over ports A and B, each meticulously designed to uphold system integrity and operational security.
(13) Function ON/OFF and Pressure Outlet Options: Unlock the full potential of your hydraulic system with our customizable Function ON/OFF and Pressure Outlet Options. For operations where simplicity is key, choose 'N', which requires no function ON/OFF or pressure outlet. For enhanced control, 'X' with C type pressure limitation is your go-to, or select 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical control, opt for 'A' or 'B' for ON/OFF functionality on sides A or B, respectively, each crafted to achieve excellence and precision in every operation.
(14) Operation Modes: Dive into a diversity of operation modes, each carefully designed for a harmonious blend of versatility and precision. Experience manual control with 'A(1,2)', offering ergonomic options of long or short handles. Take advantage of 'E' for cutting-edge electric proportional control, or 'EA(1,2)' which combines it with manual operation for superior adaptability. 'D' introduces electric switching value control, enhanced by 'DA(1,2)' for manual precision. Opt for 'M' for expert manual friction positioning. For a pure hydraulic approach, 'H' and 'F' provide specialized pilot oil port designs, ensuring your system achieves comprehensive control with finesse.
(15) Ancillary Block Port Sizes: Enhance your system's versatility and performance with our range of meticulously engineered ancillary block port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration and adaptability. Each size is crafted for peak performance across diverse systems and operational demands, promising that your system consistently operates at its very best.
(16) End Plate Options: Explore our expertly designed end plate options, each crafted to meet the pinnacle of functionality and adaptability. 'E1' offers external discharge of pilot oil and control port T, setting a high bar in performance. 'E2' adds a port Y for extended flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety levels, ensuring advanced functionality. Each design is tailored to enhance reliability and system performance.
E4 mirrors 'E1', providing innovative internal discharge for pilot oil and a sealed port T, ensuring optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge for outstanding performance. 'E6' encapsulates the sophisticated design of 'E3', presenting advanced discharge control for the most demanding requirements, positioning your system at the forefront of operational sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable voltage solutions, such as the G12-12VDC, crafted to provide unparalleled safety and reliability, even in challenging environments. Our range is designed to offer secure, specialized solutions that cater to every application, ensuring your system's stability and uncompromised 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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise, dedicated to advancing technology and maintaining superior quality standards. Our exceptional expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are committed to elevating our standards of excellence and reinforcing our position as industry leaders.
At the core of our pioneering product lineup stands our flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes state-of-the-art hydraulic system control, expertly designed for seamless integration into construction machinery and robust heavy-duty equipment. Its essential functionality spans critical applications such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of crucial municipal service vehicles. Our unwavering commitment to forming strategic alliances with top domestic manufacturers speeds the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' we are devoted to producing exceptional products, providing unparalleled services, and delivering innovative solutions. With aspirations to be globally recognized as a trusted supplier of premier hydraulic components, we strive to set new 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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