Introducing the unparalleled HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to groundbreaking hydraulic engineering. These extraordinary innovations represent the pinnacle of hydraulic technology, seamlessly integrating pressure, flow, and directional control into an exceptional, harmonious system. This remarkable combination guarantees exceptional performance and unwavering reliability across a myriad of applications. Composed of three vital functional modules-connecting blocks, directional valves, and end plates-these precisely engineered valves fit effortlessly into sophisticated hydraulic systems, indispensable for high-caliber engineering machinery. They expertly govern the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Noteworthy features include a compact design, outstanding energy efficiency, and the capability for stepless speed regulation. Moreover, they enable the concurrent operation of multiple actuators under diverse loads, delivering extraordinary performance and versatility suited to any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring unwavering and reliable operation in any setting. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may have a slightly slower response, they excel in outstanding energy conservation, making them the ideal choice where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control demands, offering a flawless 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 and innovation; this pump ensures a seamless workflow, turning your system into a masterpiece of engineering precision. Experience unsurpassed dependability and allow your machinery to function with unparalleled accuracy.;
HLPSV: Variable Displacement Pump - A marvel of adaptability and cutting-edge technology, this pump delivers remarkable versatility to meet diverse operational needs. With its state-of-the-art design, it provides smooth transitions and exceptional control, keeping your system at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - Precision meets durability to create a sturdy operational structure. Designed with impeccable attention to detail, these specifications promise flawless performance and enhanced reliability in every application, ensuring an unyielding foundation for success.:
2-G3/8; Crafted for compact efficiency, this design supports streamlined operational precision. Expertly engineered to thrive in restricted spaces, it delivers outstanding performance without compromise.
3-G1/2; Built for durability and strength, this component is the resilient backbone of your system. Engineered to endure tough conditions, it offers steadfast reliability and performance.;
4-G3/4; With advanced connectivity, this component delivers superior control and integration. Its sophisticated design enhances system efficiency and elevates overall capability.;
5, 55-G1; Providing exceptional flow rates for high-demand situations, this component assures robust and consistent performance. Designed for excellence, it addresses high-pressure challenges effortlessly.;
6-G1 1/4; Exceptional in demanding environments, this component sets new standards in power and capability. Designed to exceed expectations, it handles challenging tasks with ease.;
(3) Additional Components and Specifications - Enhance your system with state-of-the-art components that redefine excellence. These specifications unlock new performance levels, turning your operations into a success benchmark.:
C,Standard Type - A reliable foundation, expertly crafted to meet essential needs. This component provides steadfast support and reliability, enabling your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to boost efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring harmonious component interaction for optimal outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow, delivering exceptional performance and reliability, surpassing conventional standards to achieve outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Experience the epitome of hydraulic control with our custom pressure solutions, meticulously crafted for diverse applications. These options offer unparalleled precision and adaptability, perfectly aligned with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our custom-engineered solutions seamlessly integrate with your operational demands, offering customizable configurations that empower you to effortlessly achieve precise outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Expertly designed to elevate performance, this valve provides unmatched control and exceptional effectiveness, revolutionizing your operational potential.C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, engages when unpowered. Experience precision tuning that optimizes system efficiency and adaptability.D/F - Cutting-edge precision-engineered pressure limiting valve for secondary pressure (F50): This engineering marvel upholds designated pressure values, significantly enhancing safety measures and optimizing operational reliability and security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility with adjustable settings from 63 to 400 bar levels. This component embodies adaptability, seamlessly fulfilling hydraulic requirements. The /NF configuration, expertly designed for HLPSV, delivers unrivaled pressure control with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies superior design, meticulously crafted to meet every application, ensuring seamless alignment with your requirements and consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporating auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration, ensuring optimal operational efficiency.
(9)Directional valve block inflow controller options: Discover a comprehensive array: 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. Each option offers precision and efficiency, customized to meet your unique needs.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each crafted to satisfy specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Achieve optimal efficiency with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Discover the pinnacle of safety and reliability with Jiangsu KM Hydraulic Control System Co., Ltd.'s expertly crafted pressure limitation options. Specifically tailored for precision, these options are calibrated in bar to guarantee peace of mind during operations. Choose 'N' to streamline basic tasks without pressure limiting, ensuring simplicity. For operations requiring simultaneous pressure control on actuator ports A & B, select 'C' for unwavering performance. The 'A---B---' option allows bespoke, independent management of ports A and B, crafted to uphold system integrity while maximizing security and efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational mastery with our array of customizable options, precisely engineered for peak performance. For straightforward tasks, choose 'N', which eliminates ON/OFF and pressure outlet demands. If enhanced control is needed, 'X' with C type pressure limitation offers ideal oversight, or 'S/S1' with AB type pressure limitation provides superior management. For electrical precision, 'A' delivers ON/OFF on side A, while 'B' does the same for side B. Each choice is meticulously designed to enhance precision, efficiency, and operational excellence.
(14) Operation Modes: Unlock unmatched versatility and precision with Jiangsu KM's diverse operation modes. 'A(1,2)' allows tailored manual operation with ergonomic long or short handles. 'E' offers sophisticated electric proportional control, while 'EA(1,2)' enhances adaptability with combined manual-electric control. 'D' delivers electric switching value control, enhanced by 'DA(1,2)' for manual precision. For expert manual friction positioning, 'M' with a long handle is perfect. Choose 'H' or 'F' for unique hydraulic operations with distinctive pilot oil port designs, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance system adaptability and performance with Jiangsu KM's port sizes. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to guarantee seamless integration across systems. Each choice promises unmatched adaptability, ensuring peak performance for diverse operational needs.
(16) End Plate Options: Discover Jiangsu KM's expertly crafted end plates, engineered for peak functionality and adaptability. 'E1' sets the benchmark with external pilot oil discharge and control port T. 'E2' enhances flexibility with an additional port Y. 'E3' offers advanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels for superior reliability.
E4 mirrors 'E1', featuring advanced internal pilot oil discharge and a sealed port T for optimized efficiency. 'E5' combines 'E2's robust features with internal discharge for enhanced performance. 'E6' embodies 'E3's sophisticated design, providing advanced discharge control for demanding requirements, ensuring your system is always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure voltage options, like G12-12VDC, designed for safety and reliability in challenging environments. Our offerings ensure specialized solutions and security for any application, keeping your system stable and performing optimally.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 a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise committed to technological advancement and superior quality. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are devoted to elevating our standards of excellence and solidifying our leadership in the industry.
At the core of our pioneering product range is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of engineering represents the pinnacle of hydraulic system control, seamlessly designed for integration into construction machinery and heavy-duty equipment. Its indispensable functionality covers vital applications such as life-saving rescue missions, intricate tunnel engineering, ambitious mining operations, and essential municipal service vehicles. Our commitment to strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to crafting exceptional products, offering unmatched services, and delivering groundbreaking solutions. With an aspiration to be globally recognized as a trusted supplier of premier hydraulic components, we strive to set new international benchmarks of excellence.
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.
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