Step into the future of hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These marvels of engineering are more than just components; they represent a perfect fusion of engineering brilliance and state-of-the-art hydraulic innovation. Seamlessly incorporating pressure, flow, and directional control within a unified structure, our valves deliver outstanding performance and steadfast reliability across all applications. Crafted with meticulous precision, these valves feature three crucial functional modules-connecting blocks, directional valves, and end plates-meticulously engineered for seamless integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. Our valves expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched control and precision. Key features include a streamlined, compact design, exceptional energy efficiency, and the capability for smooth speed modulation. Furthermore, they empower the simultaneous operation of multiple actuators under variable loads, delivering exceptional performance and adaptability across a vast range of applications.
Our HLPSL valves are precisely engineered for constant displacement pump systems, guaranteeing reliable and unwavering operation across all scenarios. Conversely, the HLPSV valves are finely tuned for variable pump systems. Although their response may be slightly delayed, HLPSV valves are distinguished by remarkable energy-saving abilities, making them the preferred choice when efficiency is critical. With cutting-edge engineering and a design mindful of ecological impact, these valves offer the ultimate solution for advanced hydraulic control needs, seamlessly combining unmatched precision, reliability, and energy conservation into one comprehensive 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 provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
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.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision: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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Unveiling our innovative no magnetic ball valve, perfect for streamlined operations. F - The normally open magnetic ball valve takes efficiency to new heights, pressurizing your pump when powered, and seamlessly unloading when unpowered. D - Discover our normally closed magnetic ball valve, expertly designed to unload the pump when powered and pressurize when unpowered, ensuring peak performance.D/F - Take safety to an unparalleled level with our cutting-edge pressure limiting valve, meticulously crafted for secondary pressure (F50). This premium feature ensures top-tier safety measures, dramatically boosting operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock revolutionary flexibility and accuracy with adjustable pressure settings from 63 to 400 bar. This versatile element embodies adaptability, catering to an array of hydraulic needs. For flawless setups, /NF denotes no pressure limiting valve, specially crafted for HLPSV, guaranteeing perfect pressure regulation across various applications.
(7) Product Series Classification - The Apex of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering brilliance, designed to cater to diverse applications and provide a product that matches your exact specifications effortlessly.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including supplementary blocks or the intermediate adaptation block ZPL 5S(V)/H hydraulic control shut-off valve, crafted with precision for flawless integration and operation.
(9)Directional valve block inflow controller options: Explore a wide range of choices: 1, no inflow controller; 2, standard inflow controller; 4, state-of-the-art 3-way flow controller for both inlet and outlet, intricately designed for the N 3/3-way valve; 5, advanced inflow controller; 8, pre-configurable options, each providing precision and outstanding efficiency.
(10) Valve core function symbols: Uncover a full range of core functions: L, M, F, H, J, B, R, O, N, each engineered with precision to meet specific functional demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, crafted for exceptional performance and reliability.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all evaluated in bar, ensuring optimal system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 designed for precise control and exceptional functionality.
(14) Operation modes: Discover an impressive selection of operation modes designed to provide exceptional versatility and control: A(1,2) offers manual operation with a choice of long or short handle; E delivers electric proportional control; EA(1,2) combines the precision of electric proportional control with manual operation; D features electric switching value control; DA(1,2) merges electric switching value control with manual operation; M provides manual friction positioning with a long handle; H offers pure hydraulic control with pilot oil ports aligned to ports A and B; F ensures pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Elevate your system's adaptability and integration with our expertly engineered port size solutions. Choose from G3/8, G1/2, G3/4, and G1 options, each delivering unparalleled flexibility and meticulously tailored to meet your specific requirements, ensuring exceptional efficiency.
(16) End plate options: Explore our innovative range of precisely tailored end plates. E1 offers external pilot oil discharge with external oil return control port T. E2 adds port Y for increased functionality. E3 features a 2-position 3-way magnetic ball valve, enhancing system pressure to premier safety valve standards when energized, ensuring superior performance and reliability.
E4, similar to E1, features internal pilot oil discharge and a sealed port T. E5, akin to E2, now includes internal discharge capabilities. Embrace advanced technology with E6, reflecting the forward-thinking design of E3. Each variant promises superior discharge control, optimizing system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Enhance system safety and reliability with our wide range of meticulously crafted solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility.G24: The ultimate choice for consistent performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with options engineered for peak efficiency and adaptability in various challenging environments.12: Synonymous with precision and reliability, perfectly tailored for seamless system integration.bb621436: The epitome of excellence, a 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. 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: Begin your order by sharing your specific requirements or intended applications with us. Our team will then craft a personalized quote, curated just for you, based on your detailed inputs or our expert advice. Once the drawings are finalized and a deposit is secured, we will proceed with the order and initiate production. Rest assured, every specification will be met with accuracy, ensuring 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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