Experience a groundbreaking evolution in hydraulic technology with the pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These innovative marvels are not just components; they represent a spectacular fusion of engineering prowess and state-of-the-art hydraulic innovation. By integrating pressure, flow, and directional control into one harmonious unit, our valves offer remarkable performance and steadfast reliability across all applications. Meticulously crafted, they encompass three essential functional modules - connecting blocks, directional valves, and end plates - each carefully designed for seamless incorporation into elite hydraulic systems critical for high-end engineering machinery. These valves expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Standout features include a modern, compact design, exceptional energy efficiency, and the capability for smooth, stepless speed adjustments. Furthermore, they enable multiple actuators to function concurrently under varying loads, delivering exceptional performance and versatility across a wide range of demanding applications.
The HLPSL valves are skillfully designed for constant displacement pump systems, guaranteeing consistent, dependable operations in any condition. Conversely, the HLPSV valves are intricately engineered for variable pump systems. Though they might have a slightly slower response, HLPSV valves excel in superior energy conservation, making them the ideal choice when efficiency is a priority. With cutting-edge engineering and a commitment to eco-friendly design, these valves emerge as the definitive solution for complex hydraulic control requirements, uniting impeccable 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.;
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 unparalleled control with a No Magnetic Ball Valve; F - Benefit from a Normally Open Magnetic Ball Valve, ensuring pump pressurization when powered and unloading when unpowered; D - Enjoy the convenience of a Normally Closed Magnetic Ball Valve, which facilitates pump unloading when powered and pressurization when unpowered, enhancing operational efficiency.D/F - Elevate your operational security with our precision-engineered Pressure Limiting Valve, crafted for secondary pressure (F50). This cutting-edge feature ensures the utmost safety protocols, significantly bolstering both operational reliability and safety, providing peace of mind.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Discover unparalleled versatility with adjustable pressure settings from 63 to 400 bar. This component stands as a testament to adaptability, seamlessly accommodating diverse hydraulic requirements. For optimal configurations, /NF represents no pressure limiting valve, precisely tailored for HLPSV, ensuring flawless pressure management across numerous applications.
(7) Product Series Classification - The Apex of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, specifically crafted to meet a variety of applications, providing you with a product that perfectly aligns with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for seamless integration and operation.
(9)Directional valve block inflow controller options: Explore a diverse selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy distinct functional requirements.
(11) Output flow code for ports A & B: Achieve maximum efficiency with top output flow capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Select 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 unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your system with choices 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 carefully engineered for precise control and functionality.
(14) Operation modes: Immerse yourself in a world of versatility with our diverse selection of operation modes, each crafted for unparalleled control and precision. Choose from A(1,2), offering manual operation with a choice of long or short handle; E, the epitome of electric proportional control; EA(1,2), blending electric proportional control with manual operation for comprehensive flexibility; D, delivering electric switching value control; DA(1,2), integrating electric switching value control with manual operation for seamless adaptability; M, providing manual friction positioning with an ergonomic long handle; H, epitomizing pure hydraulic control by aligning pilot oil ports with oil ports A and B; and F, delivering pure hydraulic control with perpendicular pilot oil ports. Each mode is designed to elevate your system's performance to new heights.
(15) Ancillary block port sizes: Experience the pinnacle of adaptability with our meticulously engineered port size options. Tailored for seamless integration and exceptional efficiency, select from our expertly curated array: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option brings unparalleled flexibility, ensuring your system operates smoothly and efficiently while meeting your precise engineering needs.
(16) End plate options: Discover our remarkable collection of end plate innovations, designed for precision and excellence. E1 offers external pilot oil discharge and an external oil return control port T, setting the benchmark for standard functionality. E2 elevates functionality with an additional port Y. Uncover the cutting-edge E3, which features a 2-position 3-way magnetic ball valve, boosting your system's pressure to unparalleled safety valve levels when energized, guaranteeing superior reliability and performance.
E4, akin to E1, stands out with internal pilot oil discharge and a sealed port T, ensuring efficient performance. E5 mirrors E2's exceptional design, now with internal discharge capabilities for enhanced efficacy. Embrace forward-thinking technology with E6, echoing E3's innovative design. Each variant is engineered for optimal discharge control, ensuring your system operates at maximum efficiency and performance.
(17) Control voltage and anti-explosion cable options: Elevate the safety and reliability of your systems with our comprehensive range of tailored solutions. Choose G12-12VDC for specialized applications requiring robust safety standards and seamless compatibility, ensuring your systems perform reliably under demanding conditions.G24: Opt for the ultimate in steadfast performance, delivering unwavering dependability to meet the demands of any challenging application.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with this range of options, each engineered for peak efficiency and adaptability across diverse and challenging environments. These solutions are designed to integrate seamlessly into your systems, providing unmatched versatility and performance.12: The embodiment of precision and reliability. Our expertly tailored solutions ensure flawless integration, empowering your systems to perform at their best.bb621436: The hallmark of innovation, this code represents the pinnacle of excellence in our pioneering design, setting a new standard in product engineering.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unmatched brilliance in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are celebrated as a national high-tech enterprise of distinction. Our expertise is showcased in the sophisticated research, development, manufacturing, and sales of premium hydraulic components. Our proud recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to pioneering technological advancement and exceptional quality. This steadfast dedication propels us to the forefront of our industry, setting us apart as leaders in the field of hydraulic solutions.
Our enhanced Safety Atex Valve, the crowning jewel of our product lineup, represents the zenith of advanced hydraulic system control. Ingeniously engineered for construction machinery and heavy-duty equipment, this indispensable component proves crucial for high-stakes scenarios such as emergency rescue missions, tunnel engineering, mining operations, and municipal service vehicles. We take great pride in our strategic alliances with numerous leading domestic manufacturers, significantly contributing to the localization of 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 remain unwavering in our commitment to providing unparalleled products, services, and solutions. Our mission is to ascend to the status of a globally revered supplier of premier hydraulic components, continually setting new standards 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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