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 foundation of consistent excellence, this pump ensures a seamless, harmonious workflow, transforming your system into a marvel of precision engineering. Elevate your expectations with unrivaled reliability and empower your machinery with unmatched precision.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and cutting-edge innovation, this pump provides exceptional versatility to meet diverse operational needs. Its trailblazing design allows for smooth transitions and superior control, ensuring your system remains at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability to create a strong operational framework. Expertly crafted with meticulous detail, these specifications assure flawless performance and enhanced dependability across all applications, laying a steadfast foundation for success.:
2-G3/8; This compact design embodies operational efficiency with precision. Expertly crafted for space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Designed for strength and unwavering reliability, this component forms a robust backbone for your system's durability. Built to withstand challenging conditions, it offers long-lasting performance.;
4-G3/4; With advanced connectivity, this component offers unmatched control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures robust, consistent performance. Engineered for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Delivering outstanding performance in challenging environments, this component exceeds expectations, setting new benchmarks in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Enhance your system capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new performance levels, transforming your operations into a benchmark of achievement.:
C,Standard Type - A reliable foundation, meticulously crafted to meet essential operational needs. This component provides unwavering support and unmatched dependability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to maximize your system's efficiency. This valve fine-tunes operations for peak 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, delivering extraordinary performance and reliability. It surpasses conventional limits, providing exceptional results every time.;
(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 system's efficiency with our specially designed maximum output flows, ranging from 3 to 210 L/min. Each option is crafted to deliver supreme performance and unwavering reliability, ensuring your operations run smoothly and efficiently.
(12) Secondary Pressure Limitation Options: Experience a new level of safety and reliability with our meticulously engineered pressure limitation options, perfectly calibrated in bar for complete peace of mind. Choose 'N' for operations without pressure limiting protection for simpler tasks. Opt for 'C' when synchronized pressure limitation on actuator ports A & B is crucial, guaranteeing steady performance. For precise and autonomous control, select 'A---B---', providing specialized management for ports A and B. Each option is designed to maintain the highest standards of system integrity, ensuring your operations remain secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with a selection of customizable features crafted for superior performance. For straightforward tasks, select 'N', which has no function ON/OFF or pressure outlet needs. If your process calls for heightened control, 'X' combined with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for superior command. For electrical precision, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is carefully designed to deliver maximum precision, efficiency, and excellence in operation.
(14) Operation Modes: Discover our comprehensive array of operation modes, each uniquely crafted for exceptional versatility and accuracy. 'A(1,2)' offers manual operation with customizable ergonomic handle lengths. 'E' enables sophisticated electric proportional control, while 'EA(1,2)' combines it with manual control for optimal flexibility and responsiveness. 'D' delivers electric switching value control, enhanced by 'DA(1,2)' for manual additions. Choose 'M' for expert manual friction positioning with an extended handle. For exclusive hydraulic operations, 'H' and 'F' offer distinct pilot oil port designs, aligned or perpendicular, ensuring complete control and mastery over your system.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our finely engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration within your system. Each option is tailored for ultimate adaptability, delivering peak performance across diverse systems and operational requirements, ensuring your system consistently performs at its best.
(16) End Plate Options: Explore our expertly designed end plate solutions, crafted to meet the pinnacle of functionality and versatility. 'E1' establishes the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' extends your functionalities with an extra port Y, providing improved flexibility. 'E3' is crafted for advanced performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring superior functionality and dependability.
E4 mirrors 'E1', equipped with state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the sturdy features of 'E2' with internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, ideal for the most demanding system requirements, keeping your system at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, including the G12-12VDC, expertly designed for safety and reliability even in the most demanding environments. Our solutions offer specialized security and adaptability tailored to any application, guaranteeing your system's stability and performance are never compromised.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.