Step into the future of hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components but a testament to engineering brilliance and avant-garde hydraulic innovation. Our valves dynamically integrate pressure, flow, and directional control into one unified system, ensuring peak performance and steadfast reliability in any setting. Meticulously crafted, these valves incorporate three core functional modules - connecting blocks, directional valves, and end plates - each engineered with precision for integration into elite hydraulic systems crucial for high-end engineering machinery. They flawlessly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Standout features include a sleek, compact architecture, advanced energy efficiency, and the capacity for stepless speed modulation. Additionally, our valves facilitate the simultaneous operation of multiple actuators under varied loads, delivering unmatched performance and adaptability across a plethora of applications.
The HLPSL valves are precisely engineered for constant displacement pump systems, ensuring robust and dependable operations in every scenario. Conversely, the HLPSV valves are specially designed for variable pump systems. Although they may respond slightly slower, HLPSV valves excel in energy-saving capabilities, making them the optimal choice when efficiency is crucial. These valves, characterized by cutting-edge engineering and an eco-friendly design, stand as the pinnacle solution for sophisticated hydraulic control requirements, merging flawless precision, reliability, and energy efficiency into one seamless entity.
| 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 - Discover the non-magnetic ball valve; F - Experience innovation with our normally open magnetic ball valve, allowing effortless pump pressurization when powered and seamless unloading when unpowered; D - Benefit from our normally closed magnetic ball valve, ensuring smooth pump unloading when powered and efficient pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, specially designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly boosting operational security and reliability beyond expectations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This innovative component embodies adaptability, fully accommodating a broad spectrum of hydraulic needs. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring flawless 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, meticulously crafted to address diverse applications, providing you with a product perfectly aligned with your specific 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 a rich 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 delivering precision and exceptional efficiency that elevates system performance.
(10) Valve core function symbols: Discover a comprehensive selection of core functions such as: L, M, F, H, J, B, R, O, N, each one precisely engineered to meet specific functional requirements with maximum efficiency.
(11) Output flow code for ports A & B: Optimize system efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver superior performance and unwavering reliability.
(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 unsurpassed 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 meticulously engineered for precise control and exceptional functionality.
(14) Operation modes: Immerse yourself in a world of versatility with our diverse array of operation modes, expertly designed to cater to your every need. Choose from A(1,2), a manual operation offering the choice of a long or short handle; E, the epitome of precision with electric proportional control. Experience the seamless integration of EA(1,2), combining electric and manual control; D, the efficiency of electric switching value control; DA(1,2), the perfect marriage of electric switching and manual control; M, the reliability of manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; and F, pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted to deliver comprehensive and precise control, ensuring your operations are smooth and flawless.
(15) Ancillary block port sizes: Elevate your systems to new heights with our exquisitely engineered port size solutions. Each option is crafted with precision to ensure perfect adaptability and seamless integration into your existing framework. Choose from our expertly designed array: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection offers unmatched flexibility and is meticulously tailored to meet your precise requirements, delivering exceptional efficiency and performance.
(16) End plate options: Explore a world of innovation with our extraordinary suite of precisely tailored end plate options. E1 sets the benchmark with its external pilot oil discharge and external oil return control port T. Enhance your system with E2, introducing an additional port Y for superior functionality. Dive into the revolutionary design of E3, featuring a 2-position, 3-way magnetic ball valve that elevates your system's pressure to premier safety valve levels when energized. Each option promises unmatched reliability and performance, ensuring your operations run smoothly and safely.
E4 mirrors the innovation of E1 with internal pilot oil discharge and a sealed port T. E5 takes the excellence of E2 a step further with its internal discharge capabilities. Embrace advanced technology with E6, reflecting E3's forward-thinking design. Each variant is engineered for superior discharge control, guaranteeing your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility. Each option is engineered to meet the highest standards, ensuring your system performs flawlessly across various demanding environments.G24: Your ultimate choice for steadfast performance and unwavering reliability. Engineered to deliver unmatched dependability, this option ensures your operations run smoothly, even in the most challenging conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these meticulously engineered options. Each is crafted for peak efficiency and adaptability, designed to perform at the highest standards across a variety of challenging environments, ensuring your system remains robust and reliable.12: Embodying precision and reliability, this option is expertly tailored for seamless integration into your systems. Designed with meticulous attention to detail, it assures flawless operation and performance.bb621436: The code of excellence, this option sets a new benchmark in our pioneering design. Engineered with precision and innovation, it represents the pinnacle of our technological achievement, offering unmatched performance and reliability.
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.
At the forefront of hydraulic system mastery, our flagship product-the enhanced Safety Atex Valve-epitomizes the zenith of cutting-edge hydraulic control technology. With precision-engineered design tailored for construction machinery and heavy-duty equipment, this versatile powerhouse is indispensable in 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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