Introducing our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, epitomizing the pinnacle of hydraulic innovation. These engineering masterpieces elegantly merge pressure, flow, and directional control into a single, cohesive marvel, ensuring unparalleled performance and reliability across a broad spectrum of applications. Typically constructed with three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously crafted valves are designed for seamless integration into high-end hydraulic systems, crucial for exceptional engineering machinery. They offer precise management of movement direction and speed for hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varied loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, guaranteeing steadfast and reliable operation in any environment. Alternatively, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in offering remarkable energy-saving performance, establishing them as the optimal choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, presenting an ideal balance 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 reliability, this pump delivers an unshakeable and steadfast performance that ensures your system operates fluidly and effectively. Revel in the unparalleled dependability that consistently keeps your operations seamlessly in motion.;
HLPSV: Variable Displacement Pump - A symbol of remarkable adaptability and versatility, this pump provides exceptional flexibility to meet a broad spectrum of operational demands. Designed to seamlessly align with dynamic requirements, it facilitates smooth transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability, crafting a dependable framework for operations: Expertly crafted for pristine performance, boosting reliability across all applications.:
2-G3/8; Engineered for compact efficiency, designed to support streamlined and effortless operational workflows. Meticulously crafted for precision, it ensures peak performance even in the most confined spaces.
3-G1/2; Constructed for robustness and reliability, offering a solid foundation for your system's integrity. Built to withstand, delivering steadfast durability even under the most strenuous conditions.;
4-G3/4; Featuring state-of-the-art connectivity, offering superior control and enhanced system integration. Uniting sophistication and efficiency to elevate your system's operational capabilities.;
5, 55-G1; Designed for exceptional flow rates, ideal for high-demand scenarios, guaranteeing consistent and trustworthy performance. Engineered for excellence, it confronts high-pressure challenges with confidence.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in challenging environments and tackle obstacles effortlessly. Establishing new standards in power and performance.;
(3) Additional Components and Specifications - Pushing system capabilities to extraordinary heights: Unleashing the true potential of your operations with advanced components that redefine exceptional performance.:
C,Standard Type - A secure and dependable foundation, meticulously engineered to satisfy essential operational needs. Providing steadfast support and unmatched reliability to fortify your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall effectiveness of your system. Fine-tunes your operations for optimal efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving extraordinary performance and reliability. Surpasses conventional performance limits to deliver exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications: Tailored to your specific needs, delivering precision control that perfectly aligns with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the ultimate customization in hydraulic solutions with our Load Sensitive Valve System. We offer tailored configurations to meet your operational demands with precision, ensuring you achieve desired outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control: Masterfully designed to optimize performance, this valve delivers unmatched control and superior operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, engaging the pump when powered, releasing it when unpowered; D - Normally closed magnetic ball valve, releasing the pump when powered, engaging it when unpowered; Offering precision-tuned solutions for superior system efficiency.D/F - Discover state-of-the-art precision with our meticulously engineered pressure limiting valve for secondary pressure (F50). Crafted with exceptional accuracy, it upholds a defined pressure value, significantly boosting safety measures to enhance security and operational reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Encounter versatility at its finest with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, perfectly meeting all hydraulic needs. The /NF variant ensures systems operate without a pressure limiting valve, expertly tailored for HLPSV to provide unmatched pressure control across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a design masterclass, intricately crafted to suit every application, ensuring you receive a product that aligns flawlessly with your specific needs.
(8)Thread size of directional spool valve ports A & B: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, engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Explore a comprehensive suite of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller tailored for N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options that promise precision and exceptional efficiency.
(10) Valve core function symbols: Delve into a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(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, all designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your control experience with a range of customizable options: N, offering a streamlined approach without function ON/OFF or pressure outlet; X, featuring C type pressure limitation for optimized performance; S/S1, providing AB type pressure limitation for enhanced system safety; A, incorporating electrical ON/OFF on side A for precision regulation; B, featuring electrical ON/OFF on side B, each option masterfully engineered for unparalleled control and precision.
(14) Operation modes: Unlock the potential of your system with our broad spectrum of operation modes: A(1,2), enjoy the simplicity of manual operation with adaptable long or short handle options; E, experience electric proportional control for precise adjustments; EA(1,2), seamlessly blend electric proportional control with manual operation for versatile functionality; D, utilize electric switching value control for efficiency; DA(1,2), integrate electric switching value control with manual operation for enhanced versatility; M, optimize with manual friction positioning using a long handle; H, embrace pure hydraulic control, aligning pilot oil ports with oil ports A and B; F, rely on pure hydraulic control with perpendicular pilot oil ports, each meticulously crafted for superior control and comprehensive precision.
(15) Ancillary block port sizes: Experience adaptability at its finest with our meticulously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option has been thoughtfully designed to ensure seamless integration and adaptability across a wide array of systems, ensuring efficiency and peak performance.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, the standard choice, offers an external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with the addition of port Y, providing added flexibility; E3 introduces a sophisticated 2-position, 3-way magnetic ball valve, which elevates system pressure to safety valve levels when activated, ensuring top-tier performance.
E4 retains the core of E1, while cleverly integrating an internal discharge of pilot oil with a sealed port T for boosted efficiency. E5 reflects the robust characteristics of E2 with an internal discharge, guaranteeing optimal functionality. E6 mirrors the complex design of E3, offering advanced discharge control across all variants to meet intricate system requirements.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, including G12-12VDC, engineered to withstand the most demanding applications with assured safety and reliability. Our selection ensures specialization and stringent 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 emerged as a luminary of innovation and excellence in the hydraulic industry. As a distinguished subsidiary under the prestigious umbrella of the China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, underscoring our unwavering commitment to technological advancement and unsurpassed quality. Our unmatched expertise encompasses the rigorous realms of research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our dedication to excellence, fortifying our stature as vanguards in the field.
Our flagship innovation, the advanced Safety Atex Valve, epitomizes the pinnacle of state-of-the-art hydraulic system control. This masterfully engineered component is tailored for integration in construction machinery and heavy-duty equipment, serving a pivotal function in vital applications such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with premier domestic manufacturers, significantly propelling the localization of essential hydraulic components for high-end mechanical equipment. Steered by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we remain dedicated in our quest to deliver extraordinary products, services, and solutions. Our mission is to ascend as a globally esteemed supplier of premier hydraulic components, consistently setting 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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