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 bedrock of unwavering excellence, this pump ensures a seamless and smooth workflow, turning your system into a perfectly engineered marvel. Experience unmatched reliability and empower your machinery to operate with precise mastery.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and innovation, this pump provides extraordinary versatility to cater to diverse operational needs. With its advanced design, it facilitates seamless transitions and superior control, keeping your system at the peak of performance.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability unite to create a strong operational framework. Crafted with meticulous attention, these specifications ensure flawless performance and heightened dependability across all applications, forming a solid foundation for success.:
2-G3/8; This design exemplifies compact efficiency, supporting streamlined operations with precision. Carefully crafted to perform in space-restricted environments, it delivers superior performance without compromise.
3-G1/2; Built for strength and reliability, this component offers a sturdy foundation for your system's endurance. Designed to endure challenging conditions, it provides steady durability and performance.;
4-G3/4; With advanced connectivity, this component ensures superior control and integration. Its sophisticated design boosts system efficiency, enhancing operational capability with finesse.;
5, 55-G1; Providing exceptional flow rates for high-demand situations, this component assures consistent, robust performance. Created for excellence, it addresses high-pressure challenges effortlessly and precisely.;
6-G1 1/4; Delivering outstanding performance, this component excels in tough environments. Engineered to exceed expectations, it sets new standards in power and capability, handling demanding tasks with ease.;
(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 reliable foundation, meticulously crafted to meet essential operational requirements. This component offers steadfast support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance system efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving exceptional performance and reliability. Surpassing traditional limits, it delivers outstanding results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience a revolution in power dynamics with our custom pressure control solutions, meticulously designed to cater to a wide range of applications. These options deliver unparalleled accuracy, ensuring precise alignment with your operational targets for optimal performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-engineered solutions that seamlessly integrate with your specific operational requirements. Benefit from customizable configurations that enable you to effortlessly achieve your desired outcomes with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control with our expertly engineered solution, designed to elevate performance while providing extraordinary control that redefines 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 that ensures unparalleled system efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with exceptional precision to maintain a specific pressure value, significantly enhancing safety measures and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the epitome of versatility with adjustable settings from 63 to 400 bar. This component exemplifies adaptability, meeting every hydraulic need. The /NF configuration expertly designs systems without a pressure limiting valve for HLPSV, offering unmatched pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design excellence, skillfully engineered to meet every application need, ensuring acquisition of a product that perfectly aligns with your specific demands, consistently delivering 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, engineered for flawless and seamless integration, ensuring optimal efficiency in all operations.
(9)Directional valve block inflow controller options: Select from an extensive range 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 that offer precision and exceptional efficiency, tailored to meet your unique needs with excellence.
(10) Valve core function symbols: Delve into a comprehensive array 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: Unlock the pinnacle of hydraulic system efficiency with our extensive range of maximum output flows, available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each flow rate is expertly crafted to deliver supreme performance and unwavering reliability, ensuring your operations achieve the highest standards of excellence.
(12) Secondary Pressure Limitation Options: Discover peace of mind with our superior pressure limitation solutions, expertly engineered to ensure safety and reliability. Choose 'N' for straightforward tasks without pressure limiting, 'C' for simultaneous protection on ports A & B, or 'A---B---' for specialized and independent control. These options are thoughtfully designed to maintain the highest levels of system integrity, keeping your operations secure, efficient, and running smoothly.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with our customizable options for peak precision and control. For basic operations, select 'N' with no ON/OFF or outlet needs. For enhanced control, 'X' with C-type limitation or 'S/S1' with AB-type limitation offers superior management. Opt for 'A' or 'B' for electrical ON/OFF control on respective sides, each crafted for maximum precision and operational excellence, ensuring your processes are always optimized.
(14) Operation Modes: Unleash unparalleled versatility and precision with our diverse operation modes. Choose 'A(1,2)' for manual operation with long or short handles to fit your ergonomic needs. Experience advanced electric proportional control with 'E', or combine it with manual control in 'EA(1,2)' for optimal adaptability. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual precision. Select 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, ensuring complete control over your system.
(15) Ancillary Block Port Sizes: Enhance your system's 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 size is optimized for adaptability and peak performance across diverse systems, guaranteeing your operations run smoothly and efficiently at all times.
(16) End Plate Options: Explore our finely crafted end plate solutions, tailored to meet the highest standards of functionality and flexibility. 'E1' offers external discharge and oil return control via port T. Expand capabilities with 'E2's additional port Y, or experience enhanced performance with 'E3's 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards for ultimate reliability and functionality.
E4 mirrors 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2's robust features with internal discharge for superior system performance. 'E6' encapsulates 'E3's sophisticated design for advanced discharge control, perfect for demanding requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our durable and secure voltage selections, such as the G12-12VDC, engineered for safety and reliability in challenging environments. Our specialized solutions ensure your system's stability and performance are never compromised, tailored to meet any application with unmatched security.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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