Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves! These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. Experience unmatched performance and reliability across every application with these valves, typically composed of three critical functional modules: connecting blocks, directional valves, and end plates. These precision-engineered components are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights of these valves include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Additionally, 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. In contrast, 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 emerge 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 - The backbone of reliability, this pump ensures unwavering and consistent performance, empowering smooth operations across your system with effortless proficiency. Experience unmatched dependability that keeps your machinery operating like a well-oiled machine, providing peace of mind.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump offers exceptional flexibility to meet a broad spectrum of operational needs. Crafted to accommodate evolving demands, it facilitates seamless transitions and superior control, ensuring your system is always ready to tackle new challenges.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework: Crafted with meticulous attention to detail, these specifications ensure flawless performance, elevating reliability across every application and providing a solid foundation for success.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces, making every inch count.
3-G1/2; Designed for robustness and reliability, this component provides a solid foundation for your system's integrity. Built to endure, it delivers steadfast durability in the most demanding conditions, ensuring long-lasting success.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency together, elevating your system's operational prowess to new heights.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance, redefining what's possible.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: Unlocking the full potential of your operations with advanced components that redefine excellence and drive innovation.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing unwavering support and unmatched reliability to empower your system and fuel your success.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. It guarantees your operations are finely tuned for maximum effectiveness and superior outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability. It surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Tailored to your specific needs, providing precision control that aligns perfectly with your operational goals, ensuring optimal performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions meticulously crafted to seamlessly align with your unique operational demands. Experience customizable configurations that guarantee you achieve your desired outcomes effortlessly and with remarkable 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 epitome of 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: Tailor your system's safety with our range of options: 'N' for systems without pressure limiting protection, 'C' for simultaneous pressure limitation of actuator ports A & B, and 'A---B---' for independent pressure limitation at ports A & B. Each option is precisely calibrated in bar, ensuring unparalleled safety and reliability for your system.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your system with our flexible customization options. Choose 'N' for a simple configuration without function ON/OFF or pressure output. Select 'X' for a setup with C type pressure limitation, or 'S/S1' for advanced AB type pressure limitation, offering superior control. Opt for 'A' for electrical ON/OFF functionality on side A, or 'B' on side B, each engineered for accuracy and efficiency.
(14) Operation Modes: Discover a variety of operation modes engineered for both versatility and precision. 'A(1,2)' allows manual operation with either a long or short handle. 'E' introduces electric proportional control, while 'EA(1,2)' merges it with manual operation for ultimate adaptability. 'D' offers electric switching value control, with 'DA(1,2)' adding manual capabilities. 'M' is designed for manual friction positioning with a long handle. Explore pure hydraulic control with 'H' and 'F', where pilot oil ports are either aligned or perpendicular, ensuring comprehensive command.
(15) Ancillary Block Port Sizes: Experience ultimate adaptability with our precisely engineered port size selections. Options include /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each is crafted for seamless integration and adaptability, delivering exceptional performance across diverse systems.
(16) End Plate Options: Discover our meticulously designed end plate solutions. 'E1' offers standard functionality with external pilot oil discharge and an oil return control port T. 'E2' adds a port Y for improved flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak performance.
E4 presents the features of 'E1', including innovative internal pilot oil discharge with a sealed port T for greater efficiency. 'E5' mirrors the strengths of 'E2' with internal discharge for elevated performance. 'E6' exemplifies the sophisticated design of 'E3', providing advanced discharge control for the most complex system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and dependable range options, such as G12-12VDC, designed for safety and performance in even the most demanding environments. Our selections ensure specialization and 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 been a brilliant beacon in the hydraulic industry, shining with unyielding dedication to innovation and unmatched excellence. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. This prestigious status mirrors our unwavering commitment to technological advancement and superior quality benchmarks. Our remarkable expertise spans the meticulous research, groundbreaking development, precise manufacturing, and strategic sales of superior hydraulic components. Renowned as a national 'specialized, refined, and innovative' small giant enterprise, we resolutely pursue excellence, reinforcing our elite leadership position in the industry.
At the core of our distinguished product range is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes the pinnacle of cutting-edge hydraulic system control, carefully crafted for deployment in construction machinery and heavy-duty equipment. It is indispensable in critical applications such as emergency rescue missions, tunnel engineering, mining operations, and municipal service vehicle deployment. We are deeply committed to strategic alliances with leading domestic manufacturers, driving the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to deliver outstanding products, unparalleled services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we tirelessly aspire to establish new standards of excellence on the global 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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