Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into one harmonious masterpiece. This ensures unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, crucial for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Additionally, they allow multiple actuators to operate simultaneously under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel in providing outstanding 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, 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 - A true cornerstone in hydraulic engineering, this pump epitomizes reliability, ensuring your system operates with unmatched consistency and efficiency. Enjoy exceptional performance that keeps your equipment in perfect harmony, maintaining a precision that operates like a finely-tuned instrument.;
HLPSV: Variable Displacement Pump - The ultimate in flexibility and adaptation, this pump stands as a beacon of versatility, positioned to meet a comprehensive array of operational demands. Its ability to transition seamlessly makes it an indispensable tool in ensuring optimal control and efficiency.;
(2) Connection Block Ports P & R Specifications - The embodiment of precision and trustworthiness, this design creates a robust operational framework that enhances reliability across applications. Crafted with meticulous attention to detail, it guarantees unwavering performance, elevating operational standards to new heights.:
2-G3/8; Expertly crafted for compact efficiency, this design supports seamless operational flows with precision engineering. It is the ideal solution for demanding environments, delivering superior performance in even the most confined spaces, ensuring operations adhere to the highest standards.
3-G1/2; Built for enduring reliability, this connection is the backbone of system integrity. Designed to withstand the toughest conditions, it promises lasting durability that ensures your system is resilient and dependable over time.;
4-G3/4; Featuring state-of-the-art connectivity, this design offers unmatched control and system integration. Elevate your system's capabilities with this sophisticated component, where efficiency meets superior control for enhanced operational excellence.;
5, 55-G1; Engineered for exceptional flow rates, this component is ideal for high-demand applications, delivering consistent and dependable performance. Designed to excel in high-pressure scenarios, it is a pivotal element in any challenging environment.;
6-G1 1/4; Setting new standards in performance, this connection is crafted for unparalleled excellence in demanding environments. It tackles challenges with ease, establishing itself as a frontrunner in industry performance and power.;
(3) Additional Components and Specifications - Elevate your system to new heights with components that redefine operational excellence. Unlock the full potential of your systems with advanced features that boost performance, ensuring your operations lead the industry standard.:
C,Standard Type - The bedrock of reliability, this component is meticulously crafted to meet core operational needs. Providing unwavering support, it empowers your system to endure the daily demands of operation with unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control and enhancing system efficiency, this valve fine-tunes your operations for peak performance, optimizing system functionality with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevating flow management to new heights, this valve delivers consistent performance and reliability. It challenges the limits of conventional performance, providing extraordinary, dependable results every time.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Immerse yourself in a world where precision meets customization, with solutions crafted to exact specifications, ensuring seamless alignment with your operational objectives and delivering perfect control with ease.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unleashing the power of personalization, these configurations cater effortlessly to your unique operational demands, ensuring that every need is met with unmatched simplicity and effectiveness.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating system dynamics: Expertly engineered to propel your system's performance to new heights, offering unparalleled control and operational excellence.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; An exquisite orchestration of precision and efficiency, fine-tuned for optimal system performance.D/F - Introducing a revolutionary pressure limiting valve for secondary pressure (F50), designed with extraordinary precision to uphold a specific pressure value. This marvel significantly enhances safety protocols, elevating operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of adaptability and precision, with adjustable settings for pressure levels of 63, 120, 210, 280, 315, 350, and 400 bar. This component embodies ultimate versatility, impeccably meeting every hydraulic demand. The /NF setup provides systems sans a pressure limiting valve, masterfully designed for HLPSV, ensuring unrivaled pressure control across myriad applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to design mastery, thoughtfully created to meet every application, ensuring products that seamlessly integrate with your specified needs.
(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 intermediary transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless, seamless integration into your systems.
(9)Directional valve block inflow controller options: Select from an extensive palette of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for dual inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each promising precision and outstanding operational efficiency.
(10) Valve core function symbols: Delve into a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet precise functional requirements with excellence.
(11) Output flow code for ports A & B: Discover the pinnacle of hydraulic performance with our meticulously engineered maximum output flows, available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each flow rate is crafted to deliver outstanding efficiency, unrivaled reliability, and supreme operational excellence for your mining equipment.
(12) Secondary pressure limitation options: Elevate your system's safety with our premium pressure limitation options: N provides no pressure limiting protection for ultimate flexibility; C delivers concurrent pressure limitation for actuator ports A & B; A---B--- offers independent pressure limitation for ports A & B, measured with precision in bar to ensure uncompromising protection and reliability.
(13) Function ON/OFF and pressure outlet options: Personalize your hydraulic control with our expertly engineered selections: N offers a streamlined option without function ON/OFF or pressure outlet; X introduces C type pressure limitation; S/S1 provides AB type pressure limitation; while A and B allow for precise electrical ON/OFF control on sides A and B, respectively. Each option guarantees precision and steadfast reliability.
(14) Operation modes: Experience a new dimension of control with our diverse operation modes: A(1,2) offers manual control with either a long or short handle, E introduces electric proportional control, EA(1,2) blends electric proportional and manual control, D features electric switching value control, DA(1,2) combines electric switching and manual operation, M provides manual friction positioning with a long handle, H delivers pure hydraulic control aligning pilot oil ports with A and B, while F offers pure hydraulic control with perpendicular pilot oil ports. Each mode is designed to provide precision and versatility for your hydraulic systems.
(15) Ancillary block port sizes: Seamlessly integrate with our precision-engineered ancillary block port sizes: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. These options ensure flawless adaptability and efficiency across a wide range of systems, delivering peak performance and versatility.
(16) End plate options: Discover our exquisitely crafted end plate solutions: E1 provides external pilot oil discharge and external oil return control port T. Elevate your system with E2, which enhances E1 by adding port Y for increased flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring optimal performance and reliability.
E4 mirrors E1, ingeniously incorporating an internal pilot oil discharge with a sealed port T, boosting efficiency. E5 enhances E2 with internal discharge for superior performance. E6 mirrors the innovative design of E3, offering advanced discharge control for intricate system requirements, ensuring cutting-edge performance and efficiency.
(17) Control voltage and anti-explosion cable options: Choose from our secure range: G12-12VDC, engineered for rigorous applications where safety and reliability are paramount. Our products ensure specialization and security for demanding environments.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 ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks 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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