Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are the pinnacle of hydraulic innovation, skillfully merging pressure, flow, and directional control into a singular, cohesive masterpiece. Experience performance and reliability that are second to none across every application. Comprising typically of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are crafted for seamless integration into high-end hydraulic systems, essential for superior engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering precision and control that are simply unparalleled. Key highlights of these valves include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, providing an ideal 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 pump is the epitome of reliability, offering steadfast and consistent performance that supports seamless operations within your system. Embrace the unparalleled dependability that ensures your machinery runs with the precision of a well-tuned instrument.;
HLPSV: Variable Displacement Pump - This pump embodies flexibility and adaptability, providing extraordinary versatility to satisfy a wide range of operational requirements. Designed to respond to shifting demands, it ensures smooth transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to form a robust operational framework: Meticulously crafted for impeccable performance, enhancing reliability across all applications.:
2-G3/8; Engineered for optimal efficiency, designed to bolster streamlined and seamless operations. Tailored for precision, it guarantees exceptional performance even in constrained environments.
3-G1/2; Built for durability and trustworthiness, providing a steadfast foundation for your system's integrity. Constructed to withstand, offering unwavering durability in the toughest conditions.;
4-G3/4; Boasting advanced connectivity, delivering superior control and enhanced system integration. It combines sophistication and efficiency to boost your system's operational capabilities.;
5, 55-G1; Providing top-tier flow rates, perfect for high-demand applications, ensuring steady and reliable output. Crafted for excellence, it meets high-pressure challenges with finesse.;
6-G1 1/4; Delivering exceptional performance, expertly designed to excel in challenging environments and overcome obstacles effortlessly. Setting new benchmarks in power and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Harnessing the full potential of your operations with sophisticated components that redefine excellence.:
C,Standard Type - A dependable and trusted foundation, meticulously crafted to fulfill essential operational needs. Providing unwavering support and unmatched dependability to power your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting overall system efficiency. It guarantees your operations are tuned for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Enhances flow management, driving extraordinary performance and reliability. It breaks traditional boundaries to achieve remarkable outcomes.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Customized to your precise needs, providing precision control aligned with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions tailored to seamlessly align with your unique operational demands. Experience customizable configurations that ensure you achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to optimize your system's performance, offering unparalleled control and superior effectiveness that transforms 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. Providing precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable accuracy to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, skillfully conceived to address every application, ensuring you procure 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 ancillary 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: Select from a comprehensive 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. Experience pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Optimize your hydraulic systems with our selective pressure limitation features. Choose 'N' for a straightforward setup without pressure limiting. Select 'C' for simultaneous pressure limitation across actuator ports A & B, or 'A---B---' for tailored, independent pressure limitations on each port. Each option is precisely calibrated in bar, guaranteeing superior system safety and reliable functionality.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operations with our customizable configurations. Opt for 'N' to maintain a clean system without function ON/OFF or pressure outlet. Choose 'X' with C type pressure limitation, or 'S/S1' with AB type for enhanced control dynamics. Select 'A' for electrical ON/OFF on side A, or 'B' for side B, each engineered for unmatched precision and operational excellence.
(14) Operation Modes: Delve into a wide array of precision-driven operation modes. 'A(1,2)' offers customizable manual control with long or short handle options. 'E' provides electric proportional control, while 'EA(1,2)' merges it with manual functionality for supreme adaptability. 'D' enables electric switching, with 'DA(1,2)' incorporating manual operations. 'M' is designed for manual friction positioning with an extended handle. Experience unparalleled hydraulic control with 'H' and 'F', featuring precisely oriented pilot oil ports for exhaustive command.
(15) Ancillary Block Port Sizes: Enhance adaptability with our meticulously engineered port size selections. Options include /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each size is crafted for seamless integration and versatility, ensuring maximum efficiency across diverse systems.
(16) End Plate Options: Discover our meticulously crafted end plate solutions. 'E1' serves as the standard, facilitating external discharge of pilot oil and incorporating an oil return control port T. 'E2' extends functionality with an additional port Y for enhanced flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, increasing system pressure to safety valve thresholds when engaged, ensuring unmatched performance and protection.
E4 continues 'E1's legacy with an innovative internal discharge of pilot oil and a sealed port T, boosting efficiency. 'E5' mirrors 'E2's robust features with internal discharge for peak performance. 'E6' elevates 'E3's design, offering sophisticated discharge management for complex system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure, reliable selections including G12-12VDC, engineered for safety and dependability in even the most demanding environments. Our options provide specialized security and peace of mind.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 an unwavering dedication to innovation and unparalleled excellence. As a prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we proudly hold our place as a national high-tech enterprise, showcasing our commitment to technological advancement and superior quality standards. Our expertise extends across the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we stand steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the very core of our product line lies the flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes the pinnacle of cutting-edge hydraulic system control, expertly crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a crucial role in imperative applications such as emergency rescue operations, tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are deeply committed to forging strategic alliances with leading domestic manufacturers, driving the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our mission to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire 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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