Experience the dawn of a groundbreaking era in hydraulic technology with our cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend standard functionality; they represent a harmonious fusion of engineering brilliance and state-of-the-art hydraulic innovation. By effectively integrating pressure, flow, and directional control into one unified entity, our valves ensure superior performance and steadfast reliability across all applications. Meticulously crafted, they consist of three essential functional modules - connecting blocks, directional valves, and end plates - each designed with precision for flawless integration into elite hydraulic systems, indispensable for top-tier engineering machinery. These valves precisely manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering unparalleled performance and versatility across a wide range of applications.
The HLPSL valves are ingeniously engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any situation. Conversely, the HLPSV valves are skillfully designed for variable pump systems. Although they may have a slightly slower response time, HLPSV valves are distinguished by their remarkable energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, boasting state-of-the-art engineering and an eco-friendly design, emerge as the ultimate solution for advanced hydraulic control needs, combining unparalleled precision, reliability, and energy efficiency in one seamless 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; Crafted with compact efficiency, ensuring smooth, uninterrupted operational flow, essential for optimal system performance.
3-G1/2; Engineered for robustness and reliability, this facilitates a strong base for maintaining the integrity of your system.;
4-G3/4; Featuring advanced connectivity, it guarantees superior control and enhances seamless system integration.;
5, 55-G1; With outstanding flow rates, this is ideal for high-demand applications, providing 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 - This innovative normally open magnetic ball valve allows pump pressurization upon power activation and safely unloads when unpowered, ensuring flawless functionality; D - The normally closed magnetic ball valve is crafted to facilitate pump unloading when powered and pressurization when unpowered, providing efficient operational control;D/F - Elevate your safety standards with our meticulously crafted precision-engineered pressure limiting valve, expertly designed for secondary pressure (F50). Its state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, making it an indispensable component in advanced hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies unmatched adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF stands for a no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable and reliable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Choose from our esteemed series that represent the zenith of engineering marvels, each expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, expertly designed to meet diverse application needs, offering a product that perfectly aligns 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 smooth, efficient 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 precision and exceptional efficiency, ensuring optimal flow management and unparalleled operational effectiveness.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, ensuring maximum efficiency and tailored performance to meet the demands of modern hydraulic systems.
(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 reliability, ensuring seamless operation in all hydraulic applications.
(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 optimal pressure management.
(13) Function ON/OFF and pressure outlet options: Customize 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 flawless functionality.
(14) Operation modes: Discover an exceptional selection of operation modes designed to elevate your hydraulic control experience. Choose from: A(1,2) for manual operation with a choice of long or short handles; E for sophisticated electric proportional control; EA(1,2) merging electric control with manual finesse; D for decisive electric switching value control; DA(1,2) combining electric control with manual precision; M for manual friction positioning using a long handle; H for pure hydraulic control, aligning pilot oil ports with oil ports A and B; and F for hydraulic control with perpendicular pilot oil ports. Each mode is crafted for precision and comprehensive control.
(15) Ancillary block port sizes: Elevate your system's adaptability with our meticulously crafted port size solutions. Our expertly engineered options include: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers exceptional flexibility and is designed to meet your precise specifications, ensuring seamless integration and superior efficiency.
(16) End plate options: Explore our range of uniquely designed end plate innovations crafted for superior system functionality. E1 offers external pilot oil discharge with an external oil return control port T. Enhance functionality with E2, featuring an extra port Y. For advanced innovation, E3 integrates a 2-position 3-way magnetic ball valve, elevating system pressure to premium safety valve levels when energized, delivering unparalleled performance and reliability.
E4 echoes the distinction of E1, with internal pilot oil discharge and a sealed port T. E5 parallels the excellence of E2, now with internal discharge capabilities. Embrace advanced technology with E6, reflecting E3's progressive design. Each variant ensures superior discharge control for peak system efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our comprehensive range of expertly crafted solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility.G24: Your definitive choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, engineered for peak efficiency and adaptability in diverse challenging environments.12: Perfectly embodying precision and reliability, these options are expertly crafted for seamless integration into your systems.bb621436: The epitome of excellence, establishing a new standard in our cutting-edge design.
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.
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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