Witness the dawn of a revolutionary era in hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they epitomize a masterful blend of engineering excellence and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with precision, they consist of three integral functional modules - connecting blocks, directional valves, and end plates - designed meticulously for integration into top-tier hydraulic systems, essential for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Notable features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Moreover, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any scenario. On the other hand, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a marginally slower response, HLPSV valves stand out for their outstanding energy-saving capabilities, making them the ideal choice when efficiency is paramount. These valves, with state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable 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; 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 - Non-magnetic ball valve; F - Always-on magnetic ball valve, which initiates pump pressurization when active and enables unloading when inactive; D - Always-off magnetic ball valve, which allows pump unloading when active and pressurization when inactive;D/F - Elevate your safety standards with our meticulously engineered pressure limiting valve. Specially designed for secondary pressure (F50), this cutting-edge feature ensures advanced safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover exceptional versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating a wide array of hydraulic needs. For seamless configurations, /NF indicates no pressure limiting valve, crafted specifically for HLPSV, ensuring flawless pressure management across diverse 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 diverse applications, aligning perfectly with your specific 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 for seamless integration and operation.
(9)Directional valve block inflow controller options: Choose from a wide variety of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with maximum output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to ensure superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation for 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: Tailor your system with features 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 functionality.
(14) Operation modes: Experience unmatched versatility with our diverse array of operation modes designed to elevate your control systems. Choose from A(1,2) for manual operation featuring either a long or short handle, or opt for E, which offers electric proportional control for precision. EA(1,2) merges electric proportional control with manual operation for enhanced flexibility. Select D for electric switching value control, or DA(1,2) for a combination of both electric switching and manual operation. With M, enjoy manual friction positioning facilitated by a long handle, while H presents pure hydraulic control with pilot oil ports aligned with oil ports A and B. Finally, select F for pure hydraulic control equipped with perpendicular pilot oil ports, each meticulously engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Elevate your system's adaptability with our meticulously engineered port size solutions, crafted for seamless integration and enhanced performance. Choose from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection promises unmatched flexibility, precisely tailored to meet your specific requirements with exceptional efficiency and reliability.
(16) End plate options: Explore our extraordinary suite of end plate innovations, each precisely crafted to enhance your system's functionality. E1 sets the benchmark, offering external pilot oil discharge alongside an external oil return control port T. Elevate your system with E2, which adds an extra port Y for increased functionality. Delve into the innovation of E3, featuring a 2-position 3-way magnetic ball valve. This cutting-edge design elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and reliability.
E4, mirroring E1, is distinguished by its internal pilot oil discharge and sealed port T, ensuring efficiency. E5 continues the excellence of E2, now with internal discharge capabilities. Step confidently into the future of technology with E6, echoing E3's forward-thinking design. Each variant ensures superior discharge control, optimizing your system's efficiency and performance.
(17) Control voltage and anti-explosion cable options: Reinforce your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC, ideal for specialized applications that require uncompromised safety and compatibility.G24: The pinnacle of steadfast performance and unwavering dependability, ensuring your system operates flawlessly.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic equipment selection with these options, each engineered for peak efficiency and adaptability across diverse and challenging environments.12: Designed with precision, this option embodies reliability and is expertly tailored for seamless integration into your systems, ensuring flawless operation.bb621436: This is the code of excellence, setting a new standard in our pioneering design and innovative approach, embodying our commitment to quality and performance.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. 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 is the flagship product that epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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. With our unwavering commitment to superior quality, we promise your complete satisfaction, delivering products that meet and exceed your expectations with impeccable precision.
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 prepare a bespoke quote tailored to your needs, either through your detailed inputs or leveraging our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. Rest assured, every specification will be met with meticulous precision, providing a flawless, 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.
){kind=link}