Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, seamlessly merging pressure, flow, and directional control into a single, superior system. This unique integration guarantees unmatched performance and reliability across a wide range of applications. Constructed from three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves effortlessly fit into high-end hydraulic systems, vital for elite engineering machinery. They adeptly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unrivaled precision and control. Key highlights encompass a compact design, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they facilitate the simultaneous operation of multiple actuators under varying loads, ensuring extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, guaranteeing steadfast and dependable operation in any environment. In contrast, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in remarkable energy-saving performance, positioning them as the ideal choice where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable combination 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 - Unleash the epitome of power and precision with custom pressure control solutions, meticulously crafted for a wide array of applications. Designed with an unparalleled attention to detail, these options offer superior accuracy, aligning perfectly with your distinct operational goals, and ensuring seamless performance tailored to your specific needs.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover solutions masterfully engineered to seamlessly integrate with your unique demands. Experience customizable configurations that empower you to achieve your desired operational outcomes with effortlessness and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control with expert craftsmanship that elevates performance and offers extraordinary control, revolutionizing your operational capabilities with unmatched precision.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, disengaging when unpowered; D - Normally closed magnetic ball valve, disengaging the pump when powered, activating it when unpowered. Experience precision tuning that offers unmatched system efficiency and adaptability.D/F - Discover a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with immaculate precision to maintain specific pressure values, significantly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration delivers systems sans a pressure limiting valve, masterfully designed for HLPSV, providing unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Zenit of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to exceptional design, expertly crafted to meet every application requirement, ensuring you receive a product that seamlessly aligns with your unique needs, 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; Introducing auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless integration, ensuring optimal efficiency and seamless performance.
(9)Directional valve block inflow controller options: Opt from an extensive selection: 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 a vast 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 dependability.
(11) Output flow code for ports A & B: Harness the pinnacle of hydraulic efficiency with our spectrum of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is precision-engineered for supreme performance and unwavering reliability, ensuring your operations are always at their best.
(12) Secondary Pressure Limitation Options: Safeguard your operations with our rigorously engineered pressure limitation options, measured in bar for your assurance. Opt for 'N' for operations without pressure limiting protection, perfect for straightforward tasks. For dual pressure control on actuator ports A & B, 'C' guarantees consistent performance. For bespoke management, 'A---B---' offers individual control for ports A and B. Each option is crafted to uphold stringent system integrity, ensuring secure, efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with customizable options for peak performance. Choose 'N' for no function ON/OFF or pressure outlet requirements for simplicity. 'X' with C type pressure limitation offers enhanced control, while 'S/S1' with AB type limitation ensures supreme oversight. For electrical control, 'A' provides ON/OFF functionality on side A, and 'B' on side B, each option ensuring precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our range of operational modes, designed for unmatched versatility and precision. 'A(1,2)' offers manual control with long or short handle options for ergonomic comfort. 'E' delivers sophisticated electric proportional control; 'EA(1,2)' melds this with manual operation for adaptability. 'D' offers electric switching control, enhanced by 'DA(1,2)' for manual finesse. Opt for 'M' for manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' present unique pilot oil port designs, ensuring comprehensive system control and mastery.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless system integration. Each option is engineered for exceptional adaptability, delivering peak performance across diverse systems and operational demands, ensuring your system operates at its optimum.
(16) End Plate Options: Explore our meticulously designed end plate solutions, each meeting the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control via port T. 'E2' enhances flexibility with an added port Y. 'E3' elevates performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve standards when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', with cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' builds on 'E2' with internal discharge for enhanced performance. 'E6' embodies the advanced design of 'E3', with superior discharge control, ideal for demanding system requirements, ensuring peak efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Opt for our durable, secure voltage options, including the G12-12VDC, designed for reliability in challenging environments. These offerings provide specialized, secure solutions tailored to any application, ensuring 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 been a luminary in the hydraulic industry, renowned for its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, embodying an unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to continuously elevate our standards of excellence, thereby cementing our position as industry leaders.
At the heart of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes 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 accelerates 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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