Step into the future of hydraulic innovation with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These advanced components embody the pinnacle of engineering prowess and modern hydraulic design. Our valves are a seamless fusion of pressure, flow, and directional control, all integrated into a single, elegant unit that guarantees peerless performance and reliability across all settings. Crafted with meticulous precision, they comprise three essential modules: connecting blocks, directional valves, and end plates, masterfully engineered for incorporation into elite hydraulic systems, vital for leading-edge engineering machinery. Experience precise regulation of hydraulic cylinders, motors, and other actuators, with top-tier accuracy and control as hallmarks. Noteworthy features include an ultra-compact design, exceptional energy efficiency, and the extraordinary ability for stepless speed modulation. Furthermore, they support simultaneous operation of multiple actuators under varied loads, delivering incomparably versatile performance across a wide range of applications.
The HLPSL valves are expertly crafted for systems utilizing constant displacement pumps, ensuring rock-solid, dependable performance in every situation. Meanwhile, the HLPSV valves are meticulously engineered for variable pump systems. Despite a slightly slower response time, HLPSV valves excel in remarkable energy-saving capabilities, positioning them as the perfect choice where efficiency is crucial. These valves represent the zenith of cutting-edge engineering and sustainable design, offering the definitive solution for advanced hydraulic control demands. Experience the perfect blend of unparalleled precision, steadfast reliability, and superior energy efficiency, harmoniously unified in one flawless package.
| 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 - This resilient titan of performance reliability delivers unwavering and consistent power, ensuring seamless operations throughout your entire Enhanced Control System for Load Sensitive Proportional Valves.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, offering unparalleled flexibility to meet diverse operational demands with exceptional ease and precision.;
(2) Connection Block Ports P & R Specifications - Precision-engineered for reliability, forming a robust operational framework that enhances system integrity::
2-G3/8; Designed for compact efficiency, ensuring smooth and uninterrupted operational flows within your system.
3-G1/2; Engineered for robust performance, providing a solid foundation that sustains the integrity and reliability of your operations.;
4-G3/4; Boasting state-of-the-art connectivity, it offers superior control and seamlessly enhances system integration.;
5, 55-G1; Ideal for high-demand applications with outstanding flow rates, ensuring consistent and reliable outcomes.;
6-G1 1/4; Crafted to deliver unmatched performance in challenging environments, expertly overcoming obstacles with ease.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unparalleled heights of excellence::
C,Standard Type - A stalwart of reliability, meticulously engineered to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving performance and dependability to new heights.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions that meet diverse application needs with precision and flexibility:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions aligned with your specific operational requirements for optimal performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with cutting-edge precision and reliability.C - Opt for our innovative no magnetic ball valve; F - Experience enhanced functionality with our normally open magnetic ball valve, which seamlessly powers pump pressurization and naturally unloads when unpowered, ensuring efficiency and reliability; D - Discover the versatility of our normally closed magnetic ball valve, facilitating pump unloading when powered and pressurization when unpowered, providing dynamic adaptability.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, making it an indispensable component in your system.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning an impressive range of 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse spectrum of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover our exceptional series, each embodying unparalleled engineering and designed to meet diverse applications with precision.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs, ensuring performance and satisfaction.
(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, meticulously engineered with precision for seamless integration and optimal operation, ensuring flawless performance.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, offering unparalleled performance and reliability.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability, ensuring optimal system functionality.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: 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 meticulously engineered to deliver precise control and exceptional functionality.
(14) Operation modes: Immerse yourself in a world of versatility with our expansive selection of operation modes. Choose A(1,2) for manual operation, offered with the option of a long or short handle, to suit your unique handling preferences. Opt for E, delivering smooth electric proportional control, or EA(1,2) for a harmonious blend of electric proportional control and manual operation. For electric switching value control, select D, or DA(1,2) to integrate it with manual operation for enhanced versatility. M mode offers manual friction positioning via a long handle, while H provides pure hydraulic control by aligning pilot oil ports with oil ports A and B. Experience F mode for pure hydraulic control with perpendicular pilot oil ports, each designed with precision for unparalleled control.
(15) Ancillary block port sizes: Enhance your system's functionality with our flawlessly crafted port size solutions, each engineered to ensure seamless integration and adaptability. Choose from /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. These meticulously designed options provide unmatched flexibility, tailored to meet your specific requirements with exceptional efficiency and precision.
(16) End plate options: Delve into our impressive range of end plate designs, each meticulously crafted for precision. E1 sets a benchmark with external pilot oil discharge and an external oil return control port T. Experience added functionality with E2's additional port Y. Discover E3's pioneering design featuring a 2-position 3-way magnetic ball valve, elevating your system's pressure to unparalleled safety valve standards when energized, ensuring peak performance and reliability.
E4 stands out with its internal pilot oil discharge and a sealed port T, akin to E1. E5 brings the excellence of E2, now refined with internal discharge capabilities. Step into advanced technology with E6, embodying E3's innovative spirit. Each variant is crafted to ensure superior discharge control, optimizing your system for peak efficiency and supreme performance.
(17) Control voltage and anti-explosion cable options: Elevate your system's safety and dependability with our range of expertly tailored solutions. Opt for G12-12VDC, the ideal choice for applications where safety and compatibility are non-negotiable.G24: Achieve steadfast performance with this ultimate choice, ensuring unwavering dependability across applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Maximize your strategic choices with these options, crafted for peak efficiency and unmatched adaptability in diverse and challenging conditions.12: Perfectly embodying precision and reliability, designed for seamless integration into your systems.bb621436: This is the code of excellence, setting a pioneering benchmark in our innovative design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. We are a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), proudly standing as a distinguished national high-tech enterprise. Our expertise lies in meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our Enhanced Control System for Load Sensitive Proportional Valves, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:Our standard lead time for production is approximately one month from the time payment is received. During this essential timeframe, we diligently coordinate all necessary preparations while adhering strictly to our rigorous quality control protocols. This meticulous process ensures that every product is delivered to you in immaculate condition, reflecting our unwavering commitment to your utmost satisfaction and the flawless execution of timely delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer a remarkably low minimum order quantity, allowing you the exceptional convenience of ordering even a single piece for sample evaluation. This advantageous flexibility empowers you to smoothly initiate your projects, precisely fulfilling your unique requirements with the highest degree of convenience and precision tailored to your needs.
Question:3. How to proceed with an order for LED lights?
Answer: To commence your order, kindly communicate your specific requirements or intended applications to us. We will promptly prepare a bespoke quote, tailored specifically to your needs, based on your detailed inputs or our expert guidance. Once the drawings are approved and a deposit is secured, we will formalize the order and initiate production. Rest assured, every specification will be meticulously met, delivering a seamless and personalized solution that perfectly aligns with your vision.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 entirely feasible. Kindly ensure that you formally inform us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is showcased with remarkable precision and excellence, perfectly encapsulating your brand identity.
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