Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation, masterfully combining pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly 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 might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal 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 embodiment of reliability in hydraulic systems, this pump stands as the cornerstone of unwavering performance, ensuring operations run seamlessly and efficiently. Experience the unparalleled reliability that keeps your machinery operating effortlessly.;
HLPSV: Variable Displacement Pump - The ultimate standard in adaptability and versatility, offering exceptional flexibility to meet a broad spectrum of operational needs. Expertly adapted to the dynamic nature of today's demands, it delivers fluid transitions and superior command.;
(2) Connection Block Ports P & R Specifications - Where precision converges with dependability, establishing a robust operational foundation: Exquisitely designed for impeccable performance, it enhances reliability in every use case.:
2-G3/8; Specifically engineered for compact precision, it supports streamlined and smooth operational pathways. Crafted with exactitude, it ensures peak performance even in the most confined spaces.
3-G1/2; Engineered with robustness and dependability at its core, it provides a steadfast foundation for your system's structural soundness. Designed for longevity, offering resolute durability in the most challenging conditions.;
4-G3/4; Incorporating advanced connectivity, it offers superior control and improves system integration. Merging sophistication with efficiency, it elevates your system's operational excellence.;
5, 55-G1; Featuring exceptional flow rates, perfect for high-demand applications, guaranteeing consistent and trustworthy performance. Designed for superior excellence, it effortlessly overcomes high-pressure challenges.;
6-G1 1/4; Delivering unparalleled performance, meticulously designed to thrive in demanding environments and effortlessly tackle challenges. Setting new standards in power and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Harness the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A steadfast and trusted platform, meticulously crafted to fulfill essential operational needs. Offering unwavering support and unmatched dependability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting your system's overall efficiency. Finely tunes operations for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability. Pushes the boundaries of conventional performance to deliver remarkable outcomes.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for varied applications: Tailored to your needs, offering precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands. Customizable configurations to ensure you achieve your desired outcomes with ease, delivering unmatched reliability and efficiency in every unique situation.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control: This engineering wonder is specifically designed to optimize performance, offering unparalleled control and superior operational effectiveness, thereby enhancing productivity.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; Delivering precision tuning and design mastery for unparalleled system efficiency and performance.D/F - Presenting a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a specifically defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability to unprecedented standards, ensuring peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings ranging across 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 unrivaled pressure control across diverse applications and enhancing operational potential.
(7) Product Series Classification - The Epitome of Engineering Excellence: A revolutionary approach to design and functionality, where each product series represents the zenith of engineering prowess.;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, offering solutions that are finely tuned to perfection.
(8)Thread size of directional spool valve ports A & B: Crafted with precision, these thread sizes ensure flawless integration and superior performance.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for flawless and seamless integration, ensuring an exceptional operational experience.
(9)Directional valve block inflow controller options: Choose from a comprehensive 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; 8, pre-selectable options, each offering precision and exceptional efficiency, ensuring your system operates at peak potential.
(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 utmost precision and excellence.
(11) Output flow code for ports A & B: Achieve 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, dependability, and operational excellence.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to ensure uncompromising system safety, offering a robust solution for pressure management.
(13) Function ON/OFF and Pressure Outlet Options: Customize your hydraulic system experience with our tailored options! Choose 'N' for simplicity without ON/OFF or pressure outlets, 'X' for C type pressure limitation, 'S/S1' for AB type pressure limitation, 'A' for precise electrical ON/OFF on side A, or 'B' for exceptional control with electrical ON/OFF on side B. Each configuration is meticulously crafted for unparalleled precision and functionality.
(14) Operation Modes: Explore an extensive selection of operation modes designed for every control preference! Opt for 'A(1,2)' for manual operation featuring long or short handles, 'E' for sophisticated electric proportional control, 'EA(1,2)' for a harmonious blend of electric and manual control, 'D' for efficient electric switching value control, 'DA(1,2)' for a dual electric and manual operation experience, 'M' for manual friction positioning with a long handle, 'H' for pure hydraulic control aligning pilot oil ports with ports A and B, or 'F' for pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for comprehensive and precise system management.
(15) Ancillary Block Port Sizes: Embrace adaptability and performance with our ingeniously designed ancillary block port sizes. Available in sizes /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each option is engineered for seamless integration and exceptional efficiency, ensuring optimal performance across varied system applications.
(16) End Plate Options: Immerse yourself in our expertly crafted end plate solutions. 'E1' offers a standard choice with external pilot oil discharge and external oil return port T. 'E2' enhances flexibility with added port Y, and 'E3' incorporates a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels upon activation, ensuring peak operational performance.
Option E4 embraces the innovation of E1 with an internal pilot oil discharge and sealed port T for enhanced system efficiency. E5 replicates E2's robust features with internal discharge for optimal performance. E6 parallels E3's sophisticated design, providing advanced discharge control to meet complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Secure your operations with our reliable voltage and cable options. Choose G12-12VDC for safety and reliability in demanding environments. Our selections are designed for specialization and unmatched security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has proudly established itself as a beacon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise. This recognition is a testament to our relentless dedication to technological advancement and superior quality. Our unparalleled expertise spans the rigorous research, development, manufacturing, and sales of premium hydraulic components. We are honored to be recognized as a national 'specialized, refined, and innovative' small giant enterprise, a title that underscores our unwavering commitment to excellence and solidifies our position as industry leaders.
Our flagship creation, the state-of-the-art Safety Atex Valve, epitomizes the pinnacle of cutting-edge hydraulic system control. This expertly engineered component is meticulously designed for use in construction machinery and heavy-duty equipment, playing an indispensable role in crucial applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, which significantly propel 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 steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards of excellence on the world 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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