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 - Experience the ultimate in power control with our bespoke pressure solutions. Designed to cater to a wide array of applications, each option is precision-engineered to align perfectly with your operational goals, ensuring unparalleled accuracy.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our custom-engineered solutions seamlessly integrate with your operational needs, offering customizable configurations that empower you to achieve precise outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control with this expertly crafted component. It provides unmatched performance, offering extraordinary control 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 ensures unmatched efficiency and adaptability.D/F - Introducing a state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). This masterpiece upholds designated pressure values, significantly enhancing safety measures and optimizing operational reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Indulge in supreme versatility with adjustable settings from 63 to 400 bar. This component epitomizes adaptability for every hydraulic need. The /NF configuration, expertly designed for HLPSV, offers unrivaled pressure control with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to exceptional design, crafted to meet every application, ensuring products that seamlessly align with your specific needs for 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, engineered for flawless integration, ensuring peak efficiency.
(9)Directional valve block inflow controller options: Explore a comprehensive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Discover options offering precision and exceptional efficiency, tailored to your needs.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Unleash the power of precision and efficiency with our maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is crafted for supreme performance and unwavering reliability, ensuring your system operates at peak potential.
(12) Secondary Pressure Limitation Options: Safeguard your operations with our expertly calibrated pressure limitation solutions, available in bar. Choose 'N' for operations without pressure limiting protection, streamlining straightforward tasks. Opt for 'C' to maintain consistent performance with simultaneous pressure limitation on actuator ports A & B. For specialized and independent management, select 'A---B---', catering to the highest levels of system integrity and safety, ensuring efficiency and security.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your control with customizable options for superior performance. For simple tasks, 'N' offers no ON/OFF or pressure outlet demands. For enhanced oversight, 'X' with C type pressure limitation is optimal, or 'S/S1' with AB type limitation for superior process control. Precision-driven electrical operations can choose 'A' or 'B' for ON/OFF functionality on the corresponding side, each designed to maximize efficiency and operational excellence.
(14) Operation Modes: Discover the versatile operation modes tailored for unmatched precision and adaptability. 'A(1,2)' offers manual handling with ergonomic options for long or short handles. 'E' introduces advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for superior flexibility. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual input. For expert manual operations, choose 'M' with friction positioning and a long handle. Purely hydraulic operations can select 'H' and 'F', each offering unique pilot oil port designs for comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance system integration and performance with engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted for seamless adaptability and peak performance across varied systems and demands, ensuring your system consistently excels.
(16) End Plate Options: Explore our meticulously designed end plate solutions, each crafted for maximum functionality and adaptability. 'E1' provides external discharge of pilot oil with oil return control port T. 'E2' offers additional flexibility with port Y. 'E3' is engineered with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels for superior reliability and performance.
E4 mirrors 'E1' with advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2's features with internal discharge for enhanced system performance. 'E6' embodies 'E3's sophisticated design for advanced discharge control, perfect for demanding requirements, ensuring efficiency and sophistication at the forefront.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our resilient and secure voltage options, including the G12-12VDC, crafted for safety and reliability even under challenging conditions. With specialized solutions for any application, our offerings ensure your system's stability and performance remain 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 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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