Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves - the pinnacle of hydraulic innovation. These engineering marvels elegantly combine pressure, flow, and directional control into a unified system that defines excellence. This synthesis promises unmatched performance and reliability across an array of applications. Composed of three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves integrate seamlessly into high-end hydraulic systems, indispensable for elite engineering machinery. They deftly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators with unparalleled precision and control. Key highlights include a compact design, superior energy efficiency, and the ability for stepless speed control. Moreover, 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, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may have a slightly slower response, they excel in exceptional energy-saving performance, making them the ultimate choice where efficiency is paramount. With advanced engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable 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 - Harness unparalleled power with our customized pressure control solutions, meticulously tailored for an array of applications. These options, crafted with precision and dedication to meet your specific requirements, offer unparalleled accuracy and alignment with your strategic operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting bespoke, custom-engineered solutions designed to impeccably integrate with your unique operational demands. Enjoy bespoke configurations that empower you to achieve your desired outcomes with effortless precision and superior accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's efficiency and control to unparalleled heights: Skillfully engineered to enhance system performance, offering unmatched control and extraordinary effectiveness that transforms your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, powering the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered. Precision tuning that offers exceptional system efficiency and adaptability.D/F - Introducing a pioneering, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with immaculate precision to uphold a specifically designated pressure value, significantly elevating advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the epitome of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component embodies adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly engineered for HLPSV, offering unrivaled pressure control for diverse applications with supreme precision.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously crafted to address every application, ensuring you receive a product that seamlessly aligns with your specific requirements, delivering consistently 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, meticulously engineered for flawless and seamless integration, ensuring optimum efficiency.
(9)Directional valve block inflow controller options: Select from an extensive 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. Discover pre-selectable options, each offering precision and extraordinary efficiency, customized to your specific needs.
(10) Valve core function symbols: Delve into a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Maximize your system's capability with our superior output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously designed to deliver unmatched performance and unwavering reliability, ensuring your operations are always running at peak efficiency.
(12) Secondary Pressure Limitation Options: Elevate safety and reliability with our expertly calibrated pressure limitation options, measured in bar for your assurance. Choose 'N' for tasks without the need for pressure limiting protection. Opt for 'C' for simultaneous pressure limitation on actuator ports A & B, ensuring harmonious performance. For bespoke control, select 'A---B---' for tailored management of ports A and B, each option crafted to uphold system integrity and efficiency, keeping your operations secure and optimized.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our range of customizable options engineered for excellence. For basic operations, 'N' offers no function ON/OFF or pressure outlet needs. For enhanced control, 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation provides superior oversight. For electrical precision, 'A' offers ON/OFF functionality on side A, or 'B' for side B. Every option is crafted for precision, efficiency, and excellence in operation.
(14) Operation Modes: Uncover the versatility and precision of our operation modes. 'A(1,2)' offers manual control with long or short handle options. 'E' provides cutting-edge electric proportional control, while 'EA(1,2)' merges this with manual functionality. 'D' delivers electric switching value control, with 'DA(1,2)' adding manual enhancements. 'M' offers superior manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer innovative pilot oil port designs for complete system control.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless integration. Each size promises top adaptability, ensuring peak performance across diverse systems and demands, keeping your systems performing optimally at all times.
(16) End Plate Options: Explore our sophisticated end plate solutions, each crafted for functionality and adaptability. 'E1' features external discharge of pilot oil with oil return control port T. 'E2' adds port Y for enhanced flexibility. 'E3' offers a 2-position, 3-way magnetic ball valve for advanced performance, elevating system pressure to safety valve levels when activated for superior functionality and reliability.
E4 mirrors 'E1' with advanced internal pilot oil discharge and sealed port T for optimized efficiency. 'E5' combines 'E2's features with internal discharge for enhanced performance. 'E6' mirrors 'E3' for superior discharge control, ideal for demanding requirements, ensuring your system is at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Secure your operations with our robust voltage options like G12-12VDC, designed for reliability even in the toughest conditions. Each option is tailored for specialized security solutions, safeguarding your system's stability and performance without compromise.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 a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the heart of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers expedites 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 producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition to be recognized globally as a trusted supplier of premier hydraulic components, we continually 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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