Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic excellence. These engineering marvels reach the zenith of innovation by seamlessly integrating pressure, flow, and directional control into one superior system. This unique synthesis guarantees unparalleled performance and unwavering reliability across a vast spectrum of applications. Meticulously crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed to fit flawlessly into high-end hydraulic systems, vital for elite engineering machinery. Expertly managing the movement direction and speed of hydraulic cylinders, motors, and other actuators, they offer unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Moreover, 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. In contrast, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves might exhibit a marginally slower response, they excel in delivering remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With cutting-edge engineering and an energy-savvy design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, 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 - This exceptional pump is the heart of consistent performance, ensuring a flawless and smooth workflow. Transform your system into a marvel of precision engineering, with unmatched dependability that empowers your machinery for superior precision.;
HLPSV: Variable Displacement Pump - Epitome of versatility and innovation, this pump adapts effortlessly to varied operational needs. With its cutting-edge design, it enables seamless transitions and offers unparalleled control, keeping your system at the forefront of technology.;
(2) Connection Block Ports P & R Specifications - Here, precision meets reliability to build a robust operational framework. Designed with exceptional attention to detail, these specifications assure impeccable performance, providing a steadfast foundation for success across all applications.:
2-G3/8; This component is the epitome of compact efficiency, designed for seamless operational excellence in tight spaces, delivering outstanding performance without compromise.
3-G1/2; Crafted for power and resilience, this component offers a robust backbone for your system's endurance, engineered to thrive under demanding conditions with unwavering durability and performance.;
4-G3/4; With advanced connectivity, this component ensures unmatched control and integration, enhancing system efficiency and elevating overall operational capabilities.;
5, 55-G1; This component delivers exceptional flow rates in high-demand scenarios, offering consistent performance. Designed for excellence, it tackles high-pressure challenges with precision and ease.;
6-G1 1/4; Known for its extraordinary performance, this component excels in challenging environments, redefining power and capability, and handling demanding tasks with effortless grace.;
(3) Additional Components and Specifications - Enhance your system's capabilities with these innovative components. These advanced specifications redefine operational excellence, elevating your operations to new benchmarks of success.:
C,Standard Type - This component stands as a trusted foundation, carefully designed to meet essential demands. It provides unwavering support, empowering your system to reach its full potential with unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Achieve unparalleled precision control to enhance your system's efficiency. This valve fine-tunes operations to optimize effectiveness, ensuring harmonious functioning of every component.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterful in optimizing flow management, this valve drives extraordinary performance and reliability, surpassing conventional limits to deliver exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options provide unmatched accuracy and alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes 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. Precision tuning that provides unmatched system efficiency and adaptability.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire 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 optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an exhaustive 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 exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Elevate your equipment's performance to the pinnacle of excellence with our maximum output flow options. Offering a range from 3 to 210 L/min, these configurations are crafted to deliver supreme efficiency and steadfast reliability, ensuring each component operates with precision and durability.
(12) Secondary Pressure Limitation Options: Discover unrivaled safety and consistent reliability with our finely-tuned pressure limitation settings. Each option is calibrated in bar for meticulous precision. Choose 'N' when your operations require no pressure limiting, ideal for simple tasks. Opt for 'C' for concurrent pressure regulation on actuator ports A & B, guaranteeing uniform performance. For bespoke control, select 'A---B---', tailored for individual management of ports A and B. These options are engineered to uphold system integrity, ensuring secure, efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Unleash peak operational performance with our array of adaptable options. For basic operations, 'N' is your go-to, requiring no ON/OFF or pressure outlet considerations. Should your operations demand superior control, 'X' with C type pressure limitation or 'S/S1' with AB type limitation are perfect for enhanced oversight. For precise electrical control, select 'A' for ON/OFF on side A or 'B' for side B. Each option is crafted to deliver precision, efficiency, and exceptional operational performance.
(14) Operation Modes: Embrace a spectrum of operational modes, designed with precision for versatility. 'A(1,2)' caters to manual needs with both long and short handle options. 'E' provides state-of-the-art electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal flexibility. 'D' offers electric switching value control, with 'DA(1,2)' enhancing it manually. Opt for 'M' for manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' feature unique pilot oil port configurations, either aligned or perpendicular, ensuring thorough mastery over your system.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability with our precisely engineered port size choices. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration and peak performance across diverse systems, meeting various operational requirements flawlessly and ensuring optimal system functionality.
(16) End Plate Options: Explore our expert end plate designs, crafted for ultimate functionality and adaptability. 'E1' leads with external discharge of pilot oil and oil return control port T. 'E2' adds port Y for increased flexibility. 'E3' is designed for advanced use with a 2-position, 3-way magnetic ball valve, amplifying system pressure to safety valve levels when active, guaranteeing superior performance and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for heightened efficiency. 'E5' integrates 'E2's' robust features with internal discharge for elevated system performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control for demanding requirements, ensuring your system sustains peak efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our comprehensive range of secure voltage options, including the G12-12VDC, engineered for ultimate safety and reliability in challenging environments. Our solutions ensure specialized security and stability, keeping your system performance consistently uncompromised.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 a relentless drive for groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. Our unwavering dedication to pioneering technological advancements and upholding superior quality standards sets us apart. 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 committed to continuously elevating our standards of excellence, further cementing our position as industry leaders.
At the heart of our innovative product lineup is our flagship marvel: the Enhanced Safety Atex Valve. This state-of-the-art hydraulic system control is 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 essential municipal service vehicle operations. Our steadfast commitment to forming 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 them with our attitude, and retaining them with quality'-we are devoted to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition to be globally recognized 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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