Step into a new era of hydraulic advancements with Jiangsu KM Hydraulic Control System Co., Ltd.'s cutting-edge invention: the HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend the ordinary, representing a pinnacle of engineering mastery and groundbreaking hydraulic technology. Our valves ingeniously amalgamate pressure, flow, and directional control into one harmonious entity, delivering extraordinary performance and steadfast reliability across all applications. Meticulously crafted, they encompass three essential functional modules - connecting blocks, directional valves, and end plates - each meticulously designed for seamless integration into high-caliber hydraulic systems, vital for elite engineering machinery. These advanced valves adeptly orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, granting unmatched precision and control. Distinctive features include a streamlined, compact design, exceptional energy efficiency, and the capability for continuous speed modulation. Furthermore, they enable the simultaneous operation of multiple actuators under varying loads, offering superlative performance and versatility across a wide array of applications.
The HLPSL valves are meticulously designed to cater to constant displacement pump systems, guaranteeing steadfast and reliable operations in any circumstance. Conversely, the HLPSV valves are exquisitely engineered for variable pump systems. Despite a slightly more deliberate response, HLPSV valves are distinguished by their exceptional energy-saving prowess, making them the quintessential choice when efficiency is of utmost importance. These valves, featuring state-of-the-art engineering and environmentally conscious design, stand as the definitive solution for sophisticated hydraulic control needs. They seamlessly combine impeccable precision, reliability, and energy efficiency into one cohesive package, embodying the perfect synergy of advanced technology and eco-friendly innovation.
| 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 - Experience the innovation with our no magnetic ball valve; F - Discover the efficiency of our normally open magnetic ball valve, which initiates pump pressurization when powered and seamlessly unloads when unpowered; D - Explore the practicality of our normally closed magnetic ball valve, designed to facilitate pump unloading when powered and ensure pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This state-of-the-art feature guarantees the most advanced safety protocols, significantly enhancing operational security and reliability, offering peace of mind with every use.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with our customizable pressure settings, ranging from 63 to 400 bar. This exemplary component showcases unmatched adaptability, accommodating a diverse range of hydraulic requirements. Seamlessly configure with /NF, representing no pressure limiting valve, tailored meticulously for HLPSV, ensuring impeccable pressure management for a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Delve into our engineering marvels, offering unparalleled performance and reliability.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to expert craftsmanship, providing solutions that align seamlessly with your diverse application needs, ensuring you have the perfect product for your exact specifications.
(8)Thread size of directional spool valve ports A & B: Precision-engineered for optimal performance in every application.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 flawless operation.
(9)Directional valve block inflow controller options: Choose from our diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and exceptional efficiency.
(10) Valve core function symbols: Discover our comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements, delivering unmatched performance.
(11) Output flow code for ports A & B: Maximize efficiency with our peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability, ensuring optimal operation at every stage.
(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, ensuring uncompromised system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your system with our meticulously engineered 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 crafted for precise control and unparalleled functionality.
(14) Operation modes: Discover a diverse array of meticulously crafted operation modes designed for comprehensive and precise control: A(1,2), offers manual operation with your choice of a long or short handle; E, embodies electric proportional control; EA(1,2), combines the sophistication of electric proportional control with the simplicity of manual operation; D, demonstrates electric switching value control; DA(1,2), merges electric switching value control with manual operation; M, introduces manual friction positioning with a long handle; H, delivers pure hydraulic control with perfect alignment of pilot oil ports with oil ports A and B; F, offers pure hydraulic control with perpendicular pilot oil ports, ensuring unparalleled control.
(15) Ancillary block port sizes: Elevate your systems with our exquisitely engineered port size solutions, ensuring flawless adaptability and seamless integration. Choose from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers unmatched flexibility and is meticulously tailored to meet your precise needs with exceptional efficiency and effectiveness.
(16) End plate options: Experience our extraordinary suite of precision-engineered end plate innovations. E1 sets a new standard with external pilot oil discharge and an external oil return control port T. Elevate your system with E2, which introduces an additional port Y for enhanced functionality. Discover the groundbreaking E3, featuring a 2-position 3-way magnetic ball valve, enhancing your system's pressure to premier safety valve levels when energized for unmatched reliability and performance.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now enhanced with internal discharge capabilities. Step into advanced technology with E6, reflecting E3's forward-thinking design. Every variant promises superior discharge control, ensuring your system operates at the pinnacle of efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our extensive selection of expertly crafted solutions. Choose G12-12VDC for specialized applications demanding uncompromised safety and compatibility.G24: The ultimate choice for unyielding performance and steadfast dependability in critical operations.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, each engineered for peak efficiency and adaptability across a variety of demanding environments.12: Embodying precision and reliability, each option is expertly tailored for seamless integration into your systems, ensuring flawless operation.bb621436: The code of excellence, setting a benchmark in our pioneering design, recognized for its innovative spirit and superior quality.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. 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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