Step into the future of hydraulic excellence with our trailblazing HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary components are not just parts; they are a testament to the harmonious marriage of superior engineering and state-of-the-art hydraulic technology. With an elegant integration of pressure, flow, and directional control, our valves set a benchmark for performance and steadfast reliability. Crafted with unmatched precision, they boast three essential functional modules - connecting blocks, directional valves, and end plates. These modules are meticulously engineered to seamlessly integrate into elite hydraulic systems, pivotal in top-of-the-line engineering machinery. Our valves masterfully control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key attributes include a sleek, compact form factor, superior energy efficiency, and the capacity for seamless speed modulation, enabling multiple actuators to operate concurrently under diverse loads. This delivers unparalleled performance and flexibility across a wide array of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, guaranteeing unwavering, reliable operations across all scenarios. In contrast, the HLPSV valves are meticulously engineered for variable pump systems, where they may exhibit a slightly slower response. However, HLPSV valves are distinguished by their remarkable energy-saving attributes, making them the optimal choice when efficiency is of utmost importance. With cutting-edge engineering and an eco-conscious design, these valves present the ultimate solution for advanced hydraulic control demands, uniting flawless precision, reliability, and energy efficiency in a single, seamless offering.
| 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 provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system. Embrace the hallmark of constancy and trust in its robust capability to streamline your workflow, enhancing overall productivity and system efficiency.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease. Revel in its transformative adaptability, catering to your specific needs with unmatched precision and fluidity, making it an invaluable asset for dynamic environments.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework: These specifications ensure your system achieves new heights of operational excellence and dependability.:
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows. Experience the perfection of seamless connectivity and performance, ideal for systems demanding space-saving solutions.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity. Count on its steadfast design to bolster your system, maintaining peak performance even under pressure.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly. Elevate your system's potential with cutting-edge features designed for superior control and seamless integration.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes. Trust in its capability for high-pressure applications, providing a resilient solution for your most demanding needs.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly. Rely on its expert craftsmanship to conquer even the toughest challenges with ease and grace.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence: Unveil a world of advanced features designed to optimize and enhance your entire system.:
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision. Trust in its unwavering performance to meet fundamental operational criteria with unerring accuracy.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency. Enhance system efficiency through unparalleled precision, making it indispensable for effective flow management.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Depend on its superior design to optimize flow management, ensuring consistent and reliable system performance.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision: Explore bespoke solutions that finely tune your system's pressure control with meticulous precision, tailored to meet a diverse array of operational requirements.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements. Choose from a range of options designed to perfectly align with your unique pressures and scenarios, ensuring optimal system performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision: Experience unparalleled efficiency and control with this expertly crafted valve, designed for precision system unloading, ensuring seamless operational flow and enhanced performance.C - Experience optimal hydraulic performance with our innovative no magnetic ball valve; F - Embrace efficiency with our normally open magnetic ball valve, offering seamless pump pressurization when powered and efficient unloading when unpowered; D - Unlock reliability with our normally closed magnetic ball valve, designed for pump unloading when powered and dynamic pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, crafted for secondary pressure (F50). This cutting-edge feature ensures robust safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic needs. For seamless configurations, /NF signifies 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:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly designed to cater to diverse applications, providing a product that aligns seamlessly with your precise 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, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from an extensive 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 option delivering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional needs.
(11) Output flow code for ports A & B: Achieve maximum efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly engineered to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: 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.
(13) Function ON/OFF and pressure outlet options: Customize your system with options such as: 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 for precise control and functionality.
(14) Operation modes: Explore the extensive range of operation modes that cater to your every need: A(1,2), offering manual operation with a choice of long or short handles; E, featuring electric proportional control for precise adjustments; EA(1,2), seamlessly combining electric proportional control with manual operation; D, utilizing electric switching value control for optimal performance; DA(1,2), integrating electric switching value control with manual operation for versatility; M, offering manual friction positioning with a long handle; H, delivering pure hydraulic control by aligning pilot oil ports with oil ports A and B; and F, providing pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted to ensure comprehensive and precise control.
(15) Ancillary block port sizes: Embrace the exceptional engineering of our port size solutions, which are designed to guarantee seamless adaptability and flawless integration. Choose from our expertly curated selection of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unparalleled flexibility, meticulously crafted to meet your exact specifications with extraordinary efficiency.
(16) End plate options: Discover our remarkable array of finely crafted end plate solutions. E1 is the benchmark, featuring external pilot oil discharge and an external oil return control port T. Experience the enhancement of E2, adding an extra port Y for increased functionality. E3 represents a leap in innovation, incorporating a 2-position 3-way magnetic ball valve that elevates your system's pressure to premier safety valve levels when energized, ensuring outstanding performance and unmatched reliability.
E4, akin to E1, stands out with internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, upgraded with internal discharge capabilities. Advance confidently into cutting-edge technology with E6, echoing the innovative design of E3. Each variant assures superior discharge control, guaranteeing your system operates at peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our diverse range of expertly crafted options. Choose G12-12VDC for specialized applications where uncompromised safety and compatibility are paramount.G24: The epitome of steadfast performance and unwavering dependability, tailored for your needs.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these options, engineered for peak efficiency and adaptability in various challenging environments.12: Exemplifying precision and reliability, expertly designed for seamless integration into your systems.bb621436: The hallmark of excellence, setting a new standard in our groundbreaking design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the 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 Safety Atex Valve, 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:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized 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 possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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