Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true revolution in hydraulic engineering. These marvels epitomize the pinnacle of hydraulic innovation, seamlessly merging pressure, flow, and directional control into a single, superior system. This extraordinary synthesis ensures unparalleled performance and reliability across a wide range of applications. Constructed from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves integrate effortlessly into sophisticated hydraulic systems, vital for top-tier engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights feature a compact design, superior energy efficiency, and the capability for stepless speed control. Moreover, they enable the simultaneous operation of multiple actuators under varying loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and dependable performance in any condition. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in exceptional energy-saving performance, making them the ideal choice where efficiency is paramount. With cutting-edge engineering and a focus on energy conservation, HLPSV valves stand out as the ultimate solution for advanced hydraulic control needs, offering an impeccable blend 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 unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision, ensuring a seamless integration into your operational framework.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system remains at the cutting edge of performance, ready to tackle any challenge.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success in any environment.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise, adapting seamlessly to your unique requirements.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance, reinforcing your system's core.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse, enabling seamless connectivity across your network.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision, maintaining peak functionality under pressure.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly with its robust design.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success, making your system a paragon of efficiency and reliability.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential, ensuring continuous and efficient functionality.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results, fine-tuning your operations with precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time, enhancing system circulation with its precision-tuned operation.;
(4) Pilot Oil Circuit Pressure Options - Experience extraordinary power with bespoke pressure control solutions, tailored for a myriad of applications. Designed with unparalleled precision to meet your exact specifications, these options deliver exceptional accuracy, perfectly aligned with your operational goals, driving efficiency and performance to new heights.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover bespoke engineering solutions that seamlessly integrate with your unique operational needs. Benefit from customizable configurations that enable you to attain your desired outcomes with effortless precision and superior control.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Expertly designed to enhance system performance, offering unparalleled control and extraordinary effectiveness that redefine your operational potential.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating it when unpowered. Precision engineering that provides unmatched system efficiency and adaptability.D/F - Introducing a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain a specifically designated pressure value, significantly enhancing safety protocols and optimizing operational security and reliability to unparalleled levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in exceptional versatility and precision with adjustable settings spanning 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic necessity. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unrivaled pressure control for diverse applications with unmatched accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series showcases a masterclass in design, meticulously crafted to cater to every application, ensuring you receive a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless integration, ensuring optimal efficiency and seamless operation.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-configurable options, each offering precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock unparalleled efficiency with our selection of maximum available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each unit is crafted to deliver extraordinary performance and unwavering reliability for your demanding applications.
(12) Secondary Pressure Limitation Options: Elevate safety and reliability with our superior pressure limitation options, expertly calibrated in bar to ensure peace of mind. Choose 'N' for operations where pressure limiting protection is not required, ideal for straightforward applications. Opt for 'C' to have simultaneous pressure limitation on actuator ports A & B, guaranteeing consistent performance. For bespoke and independent management, select 'A---B---', offering refined control of ports A and B. Each option is designed with meticulous precision to maintain the highest standards of system integrity, keeping your operations secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational efficiency with our customizable options tailored for peak performance. For basic operations, choose 'N', which requires no function ON/OFF or pressure outlet. If your processes demand elevated control, 'X' with C type pressure limitation is perfect, or opt for 'S/S1' with AB type pressure limitation for heightened oversight. For electrical precision, select 'A' for ON/OFF functionality on side A or 'B' for side B. Each choice is crafted to ensure optimal precision, efficiency, and excellence in operations.
(14) Operation Modes: Discover a diverse array of operation modes, each engineered for exceptional versatility and precision. 'A(1,2)' offers manual operation with a choice of long or short handle, tailored to your ergonomic requirements. 'E' provides sophisticated electric proportional control, while 'EA(1,2)' merges this with manual operation for superior adaptability. 'D' introduces electric switching value control, enhanced by 'DA(1,2)' for manual input. Select 'M' for expert manual friction positioning with a long handle. For exclusive hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, assuring complete control and mastery over your system.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our precisely engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure flawless system integration. Each option is crafted for unmatched versatility, delivering peak performance across diverse systems and operational needs, guaranteeing your system always operates at its best.
(16) End Plate Options: Explore our meticulously crafted end plate solutions, each designed to exceed the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances capabilities with an additional port Y for greater flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring unparalleled reliability and functionality.
E4 reflects 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T to optimize efficiency. 'E5' combines the robust features of 'E2' with internal discharge for enhanced system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, ideal for the most challenging system requirements, ensuring your system remains at the pinnacle of efficiency and refinement.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable and secure voltage options, including the G12-12VDC, designed for impeccable safety and reliability even in the toughest environments. Our solutions provide specialized security tailored to any application, ensuring your system's stability and performance are perpetually safeguarded.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 distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise. Our relentless pursuit of groundbreaking innovation is evident through our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are committed to continuously elevating our standards of excellence, thereby solidifying our position as leaders in the industry.
At the heart of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our commitment to forming strategic alliances with leading domestic manufacturers accelerates 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 devote ourselves to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition to be globally recognized as a trusted supplier of premier hydraulic components, we continually strive to set 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.
){kind=link}