Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, skillfully merging pressure, flow, and directional control into an integrated masterpiece. This ensures unparalleled performance and reliability in every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are crafted for seamless integration into high-end hydraulic systems, essential for superior engineering machinery. They meticulously orchestrate 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 empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered 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 may exhibit a slightly slower response, they excel in delivering outstanding energy-saving performance, making them the optimal choice where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, providing 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 steadfast reliability, this pump guarantees unwavering and consistent performance, ensuring seamless and proficient operations across your system. Embrace the unparalleled dependability that enables your machinery to function with the precision of a well-oiled engine.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump offers remarkable flexibility to satisfy a wide array of operational demands. Meticulously designed to accommodate shifting needs, it facilitates seamless transitions and exceptional control.;
(2) Connection Block Ports P & R Specifications - The convergence of precision and reliability, creating a dependable operational framework: Crafted with scrupulous attention to detail for impeccable performance, enhancing reliability across every application.:
2-G3/8; Beautifully engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Exquisitely crafted for precision, it ensures outstanding performance even in the tightest spaces.
3-G1/2; Designed with robustness and reliability in mind, providing a steadfast foundation for your system's integrity. Built to endure, delivering unwavering durability in the harshest conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It merges sophistication with efficiency to elevate your system's operational prowess.;
5, 55-G1; Exceptional flow rates make this the ideal choice for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it effortlessly tackles high-pressure challenges.;
6-G1 1/4; Delivering unmatched performance, expertly engineered to excel in demanding environments and tackle challenges with ease. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevate system capabilities to unprecedented heights: Unlock the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted bedrock, meticulously crafted to meet essential operational demands, providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting the overall efficiency of your system. It assures your operations are finely tuned for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability. It transcends conventional limits to deliver extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for a diverse range of applications: Tailored precisely to your needs, providing precision control that aligns perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Embark on a journey with our custom-engineered solutions, meticulously tailored to seamlessly align with your unique operational demands. Experience the power of customizable configurations that ensure you achieve your desired outcomes effortlessly and with precision, pushing the boundaries of excellence.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Artfully designed to optimize your system's performance, this valve offers unparalleled control and superior effectiveness, transforming your operational capabilities into a masterpiece of engineering.C - No magnetic ball valve; F - Normally open magnetic ball valve, which pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve, which unloads the pump when powered and pressurizes it when unpowered. Dive into the realm of precision tuning with unmatched system efficiency and adaptability, crafted to perfection.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable accuracy to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly catering to every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle 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 need, ensuring you procure a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance and redefining industry standards.
(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 intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered to ensure flawless and seamless integration, bringing optimal efficiency to your operations.
(9)Directional valve block inflow controller options: Select from a comprehensive suite 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. Experience pre-selectable options, each offering precision and exceptional efficiency, finely tuned to your specific needs.
(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 fulfill specific functional requirements with unmatched precision and reliability, ensuring your systems are equipped with the finest engineering solutions.
(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 unwavering dependability, setting new benchmarks in hydraulic excellence.
(12) Secondary Pressure Limitation Options: Discover our well-tailored selection designed for maximum system safety and precision. Choose 'N' for no pressure limiting protection. Opt for 'C' to enjoy concurrent pressure limitation on actuator ports A & B. Alternatively, select 'A---B---' for independent pressure limitation for ports A & B. Each option is meticulously measured in bar, guaranteeing unwavering reliability and protection for your hydraulic system.
(13) Function ON/OFF and Pressure Outlet Options: Elevate every operational scenario with our versatile and customizable options. Choose 'N' for a streamlined configuration without function ON/OFF and pressure outlet for simplicity. Switch to 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation for superior control. For precision, select 'A' for electrical ON/OFF on side A or 'B' for side B, each crafted to deliver impeccable functionality and control.
(14) Operation Modes: Delve into an array of operation modes tailored for versatility and precision. 'A(1,2)' allows manual operation with an option of a long or short handle. 'E' offers electric proportional control while 'EA(1,2)' combines both electric and manual controls for optimal flexibility. Choose 'D' for electric switching value control and 'DA(1,2)' to add manual operation capabilities. 'M' is designed for manual friction positioning with a long handle. 'H' and 'F' provide pure hydraulic control with expertly aligned pilot oil ports, either parallel or perpendicular, ensuring complete command over your operations.
(15) Ancillary Block Port Sizes: Transform adaptability with our precision-engineered port size choices. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted to ensure flawless integration and adaptability, promising exceptional performance across an expansive range of systems and applications.
(16) End Plate Options: Discover our meticulously engineered end plate solutions, designed to enhance system performance. 'E1' offers standard functionality with external pilot oil discharge and control port T. 'E2' adds flexibility with an additional port Y. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to match safety valve levels, ensuring unmatched performance and reliability.
E4 mirrors 'E1' and features an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' echoes the robust attributes of 'E2,' incorporating an internal discharge for optimized functionality. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control for even the most intricate system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and dependable selection, including the G12-12VDC, crafted for supreme safety and reliability, even in the most rigorous environments. Our options are expertly designed to provide specialization and ensure heightened security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Ever since its foundation in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a radiant beacon in the hydraulic sector, distinguished by a bold commitment to innovation and unparalleled dedication to excellence. As a prestigious and esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. This prestigious status is a testament to our relentless pursuit of technological advancement and our unwavering adherence to superior quality standards. Our profound expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of exceptional hydraulic components. Lauded as a national 'specialized, refined, and innovative' small giant enterprise, we are resolute in our pursuit of excellence, continually reinforcing our leadership position within this dynamic field.
At the core of our innovative product line is our flagship creation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of advanced hydraulic system control, meticulously designed for integration into construction machinery and heavy-duty equipment. It serves an indispensable role in critical applications, from emergency rescue operations to tunnel engineering, mining projects, and the deployment of municipal service vehicles. We are deeply committed to our strategic partnerships with leading domestic manufacturers, driving forward the localization of essential 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 mission to deliver outstanding products, unparalleled services, and cutting-edge solutions. Our vision is to become an internationally recognized and trusted supplier of premium hydraulic components, as we strive to set new standards of excellence on the global 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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