Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating 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 epitome of reliability, the HLPSL pump delivers unwavering and consistent performance, ensuring your system operates with a seamless precision and efficiency that is second to none. Count on its superior dependability to keep your operations running smoothly and efficiently, akin to a finely-tuned clockwork mechanism.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and versatility, the HLPSV pump offers exceptional flexibility to meet a broad spectrum of operational needs. Precisely engineered to adapt to dynamic demands, it facilitates seamless transitions and unparalleled control, empowering your operations with unmatched precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets unwavering reliability, crafting an operational framework you can trust: Expertly designed to deliver flawless and dependable performance, enhancing reliability across every application.:
2-G3/8; Ingeniously crafted for compact efficiency, this design supports streamlined and seamless operational flows. Precisely engineered for accuracy, it guarantees optimized performance even within the most confined spaces.
3-G1/2; Engineered with robustness and reliability at its core, this connection provides a sturdy foundation ensuring your system's integrity. Built for longevity, it delivers steadfast durability under the harshest conditions.;
4-G3/4; Equipped with cutting-edge connectivity, offering superior control and enhanced system integration. This component elevates sophistication and efficiency, amplifying your system's operational capabilities.;
5, 55-G1; With exceptional flow rates, this component is perfect for high-demand applications, ensuring consistent and reliable performance. Designed to excel, it overcomes high-pressure challenges effortlessly.;
6-G1 1/4; Delivers outstanding performance, expertly crafted to thrive in demanding environments, tackling challenges with ease. Sets new standards in power and performance, elevating your system's capabilities.;
(3) Additional Components and Specifications - Elevating your system to new heights: Unlock the true potential of your operations with advanced components that set the benchmark for excellence, pushing the boundaries of your system's capabilities.:
C,Standard Type - A steadfast and dependable foundation, meticulously engineered to meet critical operational needs. Provides unwavering support and unmatched reliability, empowering your system with confidence.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system. Fine-tunes your operations for maximum effectiveness and seamless performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability. Pushing the envelope of conventional performance to achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse applications: Customized to your exact needs, offering precision control that perfectly aligns with your operational objectives, empowering excellence.0 - Experience the ultimate flexibility with no pressure reducing valve; 1 - Achieve precise control with a pressure reducing valve at 20 bar; 2 - Optimize performance with a pressure reducing valve set at 40 bar. Our bespoke solutions are tailored to flawlessly align with your specific operational needs, offering customizable configurations to effortlessly achieve your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and command: Expertly designed to optimize your system's performance, providing unmatched control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump on power and unloading when off; D - Normally closed magnetic ball valve, unloading with power and pressurizing when off; Precision-tuned for unrivaled system efficiency.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to maintain a specifically assigned pressure value. This engineering triumph is designed to significantly bolster safety measures, thereby elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the peak of versatility and precision with adjustable settings ranging from 63, 120, 210, 280, 315, 350, to 400 bar levels. This component symbolizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration offers systems devoid of a pressure limiting valve, expertly designed for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterful design, meticulously crafted to address every application, ensuring you receive a product perfectly tailored to your specific requirements.
(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, ingeniously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Avail of a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore a diverse array of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and dependability.
(12) Secondary pressure limitation options: Choose 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.
(13) Function ON/OFF and pressure outlet options: Customize your operational experience with our tailored options: N, devoid of function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, accommodating AB type pressure limitation; A, encompasses electrical ON/OFF on side A; B, entails electrical ON/OFF on side B, each meticulously designed for exacting control and unparalleled functionality.
(14) Operation modes: Experience a multitude of operational modalities: A(1,2), manual mode with an optional long or short handle; E, electric proportional control for seamless efficiency; EA(1,2), a harmonious integration of electric proportional control with manual operation; D, electric switching value control for dynamic responsiveness; DA(1,2), a fusion of electric switching value control with manual operability; M, manual friction positioning boasting a long handle; H, pure hydraulic control with alignment between pilot oil ports and oil ports A and B; F, pure hydraulic control featuring perpendicular pilot oil ports, each crafted to provide comprehensive, precise control.
(15) Ancillary block port sizes: Elevate your system adaptability with our versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is expertly engineered for seamless integration and flawless performance across diverse systems, ensuring optimal efficiency.
(16) End plate options: Explore our expertly engineered end plate solutions: E1, the standard choice, facilitates external pilot oil discharge and an external oil return control port T. E2 builds upon E1 by adding port Y for enhanced versatility; E3 introduces a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels upon activation, ensuring top-tier performance.
E4, akin to E1, innovatively integrates an internal pilot oil discharge with a sealed port T for heightened efficiency. E5 mirrors the robust features of E2 with an internal discharge, promising optimal performance. E6, reflecting the intricate design of E3, delivers advanced discharge control across each variant, adeptly addressing complex system requirements.
(17) Control voltage and anti-explosion cable options: Opt for our secure, compatible selection, including G12-12VDC, crafted for reliability and safety in the most rigorous applications. Our offerings guarantee 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 lauded as a beacon of groundbreaking innovation and unmatched excellence within the dynamic hydraulic industry. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated for being a national high-tech enterprise, epitomizing our unwavering commitment to technological advancement and supreme quality. With unparalleled expertise in the rigorous realms of research, development, manufacturing, and sales of premium hydraulic components, we have been recognized as a national 'specialized, refined, and innovative' small giant enterprise. Our commitment to excellence is unwavering, and we have firmly established our position as leaders in the field.
Our crowning achievement, the Enhanced Safety Atex Valve, epitomizes the zenith of cutting-edge hydraulic system control. This meticulously engineered component is tailored for deployment in construction machinery and heavy-duty equipment, playing a pivotal role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic alliances with leading domestic manufacturers, substantially advancing the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to provide exceptional products, services, and solutions. Our vision is to be recognized as a globally trusted supplier of premier hydraulic components, consistently setting new standards 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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