Experience the dawn of a groundbreaking revolution in hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they represent a remarkable fusion of engineering prowess and the forefront of hydraulic innovation. By integrating pressure, flow, and directional control into one unified entity, our valves ensure outstanding performance and dependable reliability across every application spectrum. Crafted with meticulous precision, they comprise three core functional modules: connecting blocks, directional valves, and end plates, all meticulously designed for seamless integration into elite hydraulic systems, crucial for top-notch engineering machinery. These valves expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and the capability of stepless speed modulation. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and versatility across a wide range of applications.
The HLPSL valves are masterfully tailored for constant displacement pump systems, ensuring consistent and dependable operations in any situation. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Although they may demonstrate a slightly slower response, HLPSV valves distinguish themselves through remarkable energy-saving features, making them the perfect choice when efficiency is of utmost importance. These valves, characterized by cutting-edge engineering and an eco-friendly design, emerge as the ultimate answer to sophisticated hydraulic control demands, seamlessly combining flawless precision, reliability, and energy efficiency 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 - Innovative no magnetic ball valve; F - Advanced normally open magnetic ball valve, ensuring pump pressurization when powered, and seamless unloading when unpowered; D - Efficient normally closed magnetic ball valve, expertly designed to facilitate pump unloading when powered and meticulous pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed specifically for secondary pressure (F50). This state-of-the-art component guarantees advanced safety protocols, significantly enhancing the operational security and reliability you demand.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a vast spectrum 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, expertly crafted to meet a diverse array of applications, providing you with a product that aligns seamlessly with your precise and intricate needs.
(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 to ensure seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Select from a diverse 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 exceptional precision and unmatched efficiency.
(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 with unparalleled precision.
(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 calibrated to provide superior performance and unfailing 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 meticulously measured in bar, ensuring uncompromised system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your system with tailored 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: Discover a versatile selection of operation modes tailored for unparalleled control precision. Choose from A(1,2), providing manual operation flexibility with both long and short handle options. Experience E, offering electric proportional control for seamless command. EA(1,2) presents a harmonious blend of electric proportional control with manual operation. Opt for D, delivering electric switching value control, or DA(1,2), an innovative combination of electric switching value control with manual operation. M features manual friction positioning with a long handle, ensuring stability. Enjoy H, which offers pure hydraulic control with pilot oil ports aligned with oil ports A and B, or F, which provides pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted for precise and comprehensive control, meeting the highest standards of quality and efficiency.
(15) Ancillary block port sizes: Enhance system compatibility and integration with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1-each designed to deliver exceptional flexibility and tailored to meet your specific needs effortlessly. These solutions are crafted to ensure seamless adaptability, providing unmatched efficiency and performance in your applications.
(16) End plate options: Explore an exceptional suite of end plate innovations, each precisely designed to elevate functionality and safety. E1 sets a standard with its external pilot oil discharge and external oil return control port T. E2 enhances functionality with an additional port Y, providing superior adaptability. Discover E3, which integrates a pioneering 2-position 3-way magnetic ball valve, elevating system pressure safety levels when energized. Choose these options for superior performance and unmatched system reliability.
E4 mirrors E1's excellence with its internal pilot oil discharge and sealed port T. E5 extends the features of E2, incorporating internal discharge capabilities. Advance with E6, reflecting E3's innovative design. Each variant promises superior discharge control, ensuring your system reaches peak efficiency and optimal performance, setting a new standard in technological advancement.
(17) Control voltage and anti-explosion cable options: Enhance system safety and reliability with our diverse range of expertly designed solutions. G12-12VDC is ideal for applications requiring uncompromised safety and compatibility.G24: Choose this for robust performance and unwavering reliability, ensuring stability in every application.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selections with these options, crafted for peak efficiency and adaptability to thrive in various demanding environments.12: Symbolizing precision and reliability, this is expertly tailored for flawless integration into your systems, embodying the pinnacle of engineering excellence.bb621436: This code represents excellence, setting a new standard in pioneering design and innovation.
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.
Customer Inquiry:1. What about the lead time?
Expert Response: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.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Expert Response: 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.
Customer Inquiry:3. How to proceed with an order for LED lights?
Expert Response: 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.
Customer Inquiry:4. Is it OK to print my logo on the product?
Expert Response: 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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