Welcome to the forefront 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 components transcend traditional boundaries, representing a sublime fusion of advanced engineering and pioneering hydraulic technology. By uniting pressure, flow, and directional control into one harmonious entity, our valves offer unparalleled performance coupled with steadfast reliability across all applications. Each valve is crafted with meticulous precision, comprising three core functional modules: connecting blocks, directional valves, and end plates, each designed for flawless integration into elite hydraulic systems, indispensable for leading-edge engineering machinery. These valves excel in meticulously controlling the direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and the capability for seamless speed modulation. Moreover, they allow for the simultaneous operation of multiple actuators under varying load conditions, delivering extraordinary performance and adaptability across a wide array of applications.
The HLPSL valves are specifically engineered for constant displacement pump systems, guaranteeing steadfast and reliable operations in diverse scenarios. In contrast, the HLPSV valves are designed with precision for variable pump systems. While they may exhibit slightly slower responsiveness, HLPSV valves distinguish themselves through remarkable energy-saving performance, making them the optimal choice where maximum efficiency is crucial. These valves, embodying state-of-the-art engineering paired with an eco-friendly design, emerge as the ultimate solution for sophisticated hydraulic control requirements, marrying impeccable precision, reliability, and energy efficiency into one cohesive system.
| 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 - No magnetic ball valve; F - Experience seamless efficiency with the Normally Open Magnetic Ball Valve. This advanced feature allows for pump pressurization when powered and unloading when unpowered, ensuring optimal performance in every situation; D - The Normally Closed Magnetic Ball Valve offers superior control, enabling pump unloading when powered and pressurization when unpowered, providing a reliable solution for dynamic operational needs.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, a hallmark of innovation in secondary pressure (F50). This state-of-the-art feature ensures advanced safety protocols, significantly enhancing operational security and reliability, providing peace of mind in every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating an extensive variety of hydraulic needs. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring flawless pressure management across a wide range of applications and environments.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Marvel at the engineering excellence of each series, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs and expectations.
(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 for precision integration and operation, ensuring flawless connectivity and superior performance.
(9)Directional valve block inflow controller options: Explore an array of choices: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, expertly designed 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 system requirements.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements, ensuring precise control and unparalleled 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 unwavering reliability, empowering your system with exceptional operational excellence.
(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, guaranteeing uncompromised system safety and integrity.
(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 meticulously engineered for precise control and functionality, enhancing operational capability.
(14) Operation modes: Experience an extensive selection of cutting-edge operation modes designed to cater to your every need: A(1,2), featuring manual operation with either a long or short handle option; E, offering sophisticated electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation for enhanced flexibility; D, featuring electric switching value control; DA(1,2), integrating electric switching value control with manual operation for optimal versatility; M, offering manual friction positioning with a long handle for precision control; H, providing pure hydraulic control with pilot oil ports aligned with oil ports A and B for exceptional performance; F, delivering pure hydraulic control with perpendicular pilot oil ports for comprehensive and precise functionality. Each mode is meticulously crafted to ensure comprehensive and precise control.
(15) Ancillary block port sizes: Transform your systems with our exquisitely engineered port size solutions, designed for perfect adaptability and seamless integration. Choose from our expertly crafted selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each variant offers unmatched flexibility, allowing you to tailor your setup for exceptional performance and efficiency, perfectly addressing your specific needs.
(16) End plate options: Discover our extraordinary collection of precisely tailored end plate innovations. E1 sets a new standard with external pilot oil discharge and an external oil return control port T. Elevate your capabilities with E2, featuring an additional port Y for enhanced functionality. Explore the groundbreaking innovation of E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized. Ensure superior performance and unmatched reliability with these innovations.
E4, akin to E1, is distinct with its internal pilot oil discharge and sealed port T. E5 mirrors the excellence of E2 and is now enhanced with internal discharge capabilities. Step confidently into advanced technology with E6, echoing E3's forward-thinking design. Each variant is designed for superior discharge control, ensuring peak efficiency and optimal performance for your system.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our extensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications that demand uncompromised safety and compatibility, ensuring robust performance and dependable operation.G24: The ultimate choice for steadfast performance and unwavering dependability, engineered to deliver consistent results across diverse applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, meticulously engineered for peak efficiency and adaptability across a variety of challenging environments, ensuring that your system performs optimally in any situation.12: Embodying precision and reliability, expertly tailored for seamless integration into your systems, ensuring flawless operation and top-tier performance.bb621436: The code of excellence, setting a benchmark in our pioneering design and embodying the pinnacle of innovation and quality in our products.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unmatched 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 products. 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 leading 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.
Inquiry:1. What about the lead time?
Response:Typically, the lead time for production is approximately one month following receipt of payment. During this essential timeframe, we initiate thorough preparations and maintain the highest quality control standards, ensuring each product arrives in impeccable condition. Our steadfast dedication to your complete satisfaction with our flawless delivery remains our top priority.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We are delighted to offer a remarkably low minimum order quantity, allowing you to order as little as a single piece for sample verification. This flexibility enables you to commence your projects with unparalleled ease, precisely meeting your unique needs with maximum convenience and accuracy.
Inquiry:3. How to proceed with an order for LED lights?
Response: Begin your order process by sharing your specific requirements or desired applications with us. We will then carefully prepare a custom quote, uniquely tailored to your specifications, based on your detailed inputs or our expert advice. Once the designs are finalized and a deposit is secured, we will establish the order and initiate production. Rest assured, every detail will be met with precision, delivering a seamless, customized solution that perfectly matches your vision.designs,and secure a deposit to formalize the order. Ultimately, we will coordinate production, ensuring every detail is flawlessly executed for a seamless and tailored solution.
Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this is completely feasible. Please ensure you inform us before production begins and confirm the design according to the sample we provide. This guarantees your brand is represented with exceptional precision and quality, perfectly reflecting your identity.
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