Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a pinnacle of hydraulic innovation. These engineering masterpieces elegantly integrate pressure, flow, and directional control into one seamless marvel, ensuring unmatched performance and reliability in every application. Comprising three essential modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are crafted for seamless integration into high-end hydraulic systems, vital for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Remarkable features include a compact structure, exceptional energy efficiency, and stepless speed control capability. Furthermore, they allow multiple actuators to operate concurrently under varying loads, providing 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. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the ideal choice for efficiency-critical scenarios. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, offering an exceptional 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 cornerstone of resilience, delivering unwavering and consistent power to ensure seamless and effective operations. Experience the ultimate reliability that keeps your systems operating smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Embodying adaptability and finesse, offering remarkable versatility to meet a wide array of operational needs. Designed to adapt fluidly to dynamic demands, ensuring seamless integration and outstanding control.;
(2) Connection Block Ports P & R Specifications - Where precision meets dependability, forming a robust operational backbone: Expertly engineered for impeccable performance, boosting reliability across all applications.:
2-G3/8; Crafted with exactitude for compact and efficient performance, enabling smooth and flawless operational sequences. Precision-engineered to ensure peak performance, even within constrained environments.
3-G1/2; Robustly crafted for enduring reliability, providing a steadfast foundation for your system's structural integrity. Built to endure, offering consistent performance under the most rigorous conditions.;
4-G3/4; Incorporating advanced connectivity, delivering superior control and improved system integration. Blending sophistication and efficiency to enhance your system's operational capabilities.;
5, 55-G1; Designed for exceptional flow rates, perfect for high-demand scenarios, ensuring consistent and trustworthy performance. Crafted for superiority, it handles high-pressure situations effortlessly.;
6-G1 1/4; Delivering exceptional performance, skillfully designed to thrive in tough environments and address challenges with ease. Setting new standards for power and efficiency.;
(3) Additional Components and Specifications - Pushing system capabilities to extraordinary levels: Unlock the full spectrum of your operations' potential with innovative components that elevate excellence.:
C,Standard Type - A robust and dependable foundation, thoughtfully engineered to exceed essential operational demands. Offering steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the overall efficiency of your operations. Fine-tunes your systems for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability. Surpasses conventional boundaries to deliver outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Custom-designed pressure control solutions for a diversity of applications: Tailored to your specific requirements, 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 that seamlessly adapt to your specific operational demands. Experience customizable configurations designed to ensure you achieve your desired outcomes with exceptional ease and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - A paradigm of efficiency and control: Expertly designed to optimize your system's performance, delivering unrivaled control and superior effectiveness to elevate your operations.C - No magnetic ball valve; F - Normally open magnetic ball valve, beautifully engineered to pressurize the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, ingeniously crafted to unload the pump when powered, pressurizing it when unpowered; Offering precision tuning to achieve unparalleled system efficiency.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 unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings 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 unmatched pressure control across diverse and demanding applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, setting a new standard in engineering excellence.
(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, skillfully engineered for flawless and seamless integration, ensuring peak performance.
(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, crafted to meet the highest standards.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements, ensuring versatility and optimum functionality.
(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 and dependability, setting a benchmark for 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 and reliability.
(13) Function ON/OFF and pressure outlet options: Elevate your control experience with a suite of tailored options: N, forgoing function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, equipped with AB type pressure limitation; A, offering electrical ON/OFF on side A; B, providing electrical ON/OFF on side B, each meticulously crafted for precision and optimal functionality.
(14) Operation modes: Explore a vast array of sophisticated operation modes: A(1,2), manual operation with the choice of a long or short handle; E, electric proportional control; EA(1,2), harmonizing electric proportional control with manual operation; D, electric switching value control; DA(1,2), integrating electric switching value control with manual operation; M, manual friction positioning with an extended handle; H, exclusive hydraulic control (aligned pilot oil ports with oil ports A and B); F, pure hydraulic control with coordinated perpendicular pilot oil ports, each mode masterfully designed for comprehensive and precise command.
(15) Ancillary block port sizes: Experience unparalleled adaptability with our expertly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is carefully crafted to ensure seamless adaptability and flawless integration across a wide range of systems, delivering top-tier efficiency and optimal performance.
(16) End plate options: Immerse yourself in our meticulously crafted end plate solutions: E1, your foundational choice, assures an external discharge of pilot oil with an external oil return control port T. E2 enhances E1 with the inclusion of port Y for added versatility; E3 introduces an innovative 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, ensuring superior performance.
E4, reflecting E1's essence, ingeniously incorporates an internal discharge of pilot oil with a sealed port T for heightened efficiency. E5 parallels the robust features of E2 with an internal discharge, ensuring peak performance. E6 mirrors the sophisticated design of E3, offering advanced discharge control across every variant to meet intricate system requirements.
(17) Control voltage and anti-explosion cable options: Opt for our secure and versatile range, including G12-12VDC, specifically designed to ensure safety and reliability in the most challenging applications. Our options promise specialized safety 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 emerged as a lighthouse of innovation and distinction in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company has earned its reputation as a national high-tech enterprise, reflecting our unwavering dedication to technological progress and exceptional quality. Our unmatched expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we relentlessly pursue excellence, affirming our leadership in the sector.
Our crowning achievement, the advanced Safety Atex Valve, epitomizes the zenith of state-of-the-art hydraulic system control. This masterfully engineered component is tailored for the rigorous demands of construction machinery and heavy-duty equipment, serving pivotal roles in crucial scenarios like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic alliances with top domestic manufacturers, dramatically advancing 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 resolutely committed to delivering extraordinary products, services, and solutions. Our mission is to ascend as a globally trusted 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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