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 cornerstone of reliability, designed to deliver unwavering and consistent performance, ensuring smooth and efficient operations across your entire system. Embrace the remarkable dependability that keeps your machinery performing like clockwork without interruption.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering exceptional flexibility to meet diverse operational needs. Engineered to adjust seamlessly to fluctuating demands, it enables transitions with ease and provides superior control for optimal efficiency.;
(2) Connection Block Ports P & R Specifications - Uniting precision with reliability, crafting a solid operational framework: Impeccably designed for flawless performance, enhancing reliability in every application and ensuring dependable operation.:
2-G3/8; Masterfully crafted for compact efficiency, designed to support streamlined and smooth operational flows. Flawlessly engineered for precision, it guarantees peak performance even in the most confined spaces.
3-G1/2; Built for strength and dependability, offering a robust foundation for your system's integrity. Engineered to endure, providing unwavering durability in the most challenging conditions.;
4-G3/4; Featuring advanced connectivity, delivering superior control and enhanced system integration. Elegantly blending sophistication and efficiency to uplift your system's operational prowess.;
5, 55-G1; Engineered with superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance. Crafted for excellence, it effortlessly handles high-pressure challenges.;
6-G1 1/4; Delivering superior performance, expertly crafted to excel in demanding environments and overcome challenges with ease. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, unlocking the potential of your operations with advanced components that set a new standard of excellence.:
C,Standard Type - A dependable foundation, meticulously crafted to meet essential operational requirements. Provides steadfast support and unmatched reliability, empowering your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, enhancing the overall efficiency of your system. Fine-tunes your operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and dependability. Exceeds conventional performance standards to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Elevate precision with our custom pressure control solutions tailored for varied applications. These solutions are crafted to meet your specific needs, ensuring 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). We provide tailored configurations to effortlessly meet your operational demands, allowing for customizable setups to ensure you achieve your desired outcomes with exceptional ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximize efficiency and refine control. Our design ensures optimal system performance, offering unmatched control and superior operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump under power, disengages when unpowered; D - Normally closed magnetic ball valve, disengages the pump under power, engages when unpowered. Experience precision tuning for unrivaled system efficiency.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This marvel of engineering is crafted to maintain a precisely defined pressure, significantly bolstering advanced safety measures and elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings from 63 to 400 bar. This component embodies adaptability, perfectly fulfilling every hydraulic need. The /NF configuration expertly delivers systems without a pressure limiting valve, designed for HLPSV, providing unmatched control across diverse applications.
(7) Product Series Classification - The Quintessence of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series. Each series is a showcase of masterful design, meticulously conceived to cater to every application, ensuring you receive a product that seamlessly aligns with your unique 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, expertly crafted for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, precisely tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a diverse range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with precision.
(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, each engineered for supreme performance and reliability.
(12) Secondary Pressure Limitation Options: Discover our tailored selection for uncompromised safety: N - no pressure limiting protection; C - concurrent pressure limitation for actuator ports A & B; A---B--- - independent pressure limitation for ports A & B, each precisely measured in bar, ensuring your system's ultimate safety.
(13) Function ON/OFF and Pressure Outlet Options: Personalize your control with our thoughtfully designed choices: N - without function ON/OFF or pressure outlet; X - C type pressure limitation; S/S1 - AB type pressure limitation; A - electrical ON/OFF on side A; B - electrical ON/OFF on side B. Each option offers precision-engineered control and optimal functionality.
(14) Operation Modes: Select from an extensive range of expertly designed operation modes to suit your needs: A(1,2) - manual control with a choice of long or short handle; E - electric proportional control for advanced precision; EA(1,2) - an innovative combination of electric proportional control and manual operation; D - electric switching value control; DA(1,2) - a blend of electric switching value control and manual operation; M - manual friction positioning with a long handle; H - pure hydraulic control by aligning pilot oil ports with oil ports A and B; F - pure hydraulic control with perpendicular pilot oil ports, ensuring comprehensive and precise system management.
(15) Ancillary Block Port Sizes: Explore the epitome of versatility with our meticulously designed port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is crafted to ensure seamless adaptation and flawless integration across various systems, guaranteeing efficiency and optimal performance.
(16) End Plate Options: Immerse yourself in our expertly crafted end plate solutions: E1 - standard option with external pilot oil discharge and external oil return control port T. E2 enhances E1 by adding port Y for additional flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak performance.
E4 offers an innovative approach by integrating internal pilot oil discharge with a sealed port T, delivering enhanced efficiency. E5 embodies the robust features of E2 with internal discharge, ensuring optimal performance. E6 reflects the advanced design of E3, providing sophisticated discharge control to meet complex system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our secure, compatible options, including G12-12VDC, designed for utmost safety and reliability in the most challenging environments. Our selection guarantees 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 emerged as a luminary of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company proudly holds the status of a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and superior quality. Our exceptional expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components. Distinguished as a national 'specialized, refined, and innovative' small giant enterprise, our steadfast commitment to excellence cements our leadership position within the field.
Our flagship innovation, the Advanced Proportional Valve System for Mining Machine Safety Technology, embodies the pinnacle of cutting-edge hydraulic system control. This masterfully crafted component is engineered for use in construction machinery and robust heavy-duty equipment, serving essential roles in critical 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 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 remain steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to become a globally trusted supplier of premier hydraulic components, continually 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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