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 aren't 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 offers 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 provides 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; Engineered 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 the elegance of innovation with our No Magnetic Ball Valve, your key to streamlined efficiency; F - Choose the Normally Open Magnetic Ball Valve that empowers your pump with pressurization upon activation and seamless unloading upon deactivation; D - Opt for the Normally Closed Magnetic Ball Valve, designed to facilitate effortless pump unloading when powered and flawless pressurization when unpowered.D/F - Elevate your operational safety to new heights with our meticulously crafted pressure limiting valve, tailor-made for secondary pressure applications (F50). This cutting-edge feature ensures adherence to advanced safety protocols, significantly bolstering the reliability and security of your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into a realm of unparalleled flexibility and precision with customizable pressure settings that span an impressive range from 63 to 400 bar. This component is a testament to adaptability, adeptly catering to a multitude of hydraulic needs. For configurations that are seamlessly harmonized, /NF denotes the absence of a pressure limiting valve, meticulously designed for HLPSV, ensuring flawless pressure management across an extensive array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering masterpiece, artfully crafted to fulfill a diverse spectrum of applications, offering you a product that aligns seamlessly with your unique and specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the sophisticated intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for smooth integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a diverse and meticulously curated selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each option providing remarkable precision and unparalleled efficiency.
(10) Valve core function symbols: Discover a thoroughly comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Maximize operational efficiency with unrivaled peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, ingeniously designed to deliver superior performance and unwavering 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, each meticulously measured in bar to ensure uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system's functionality with options such as: 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 meticulously engineered to offer precise control and optimal functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Empower your systems with our exquisitely engineered port size solutions, crafted to ensure perfect adaptability and seamless integration. Choose from our expertly designed array of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option delivers unmatched flexibility and is meticulously tailored to fulfill your precise needs with exceptional efficiency.
(16) End plate options: Dive into our extraordinary suite of precisely tailored end plate innovations. E1 sets the standard, featuring external pilot oil discharge and an external oil return control port T. Elevate your experience with E2, which introduces an additional port Y for enhanced functionality. Explore the breakthrough innovation of E3, integrating a 2-position 3-way magnetic ball valve. This elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, much like E1, is distinct with an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Step confidently into advanced technology with E6, echoing E3's forward-thinking design. Each variant guarantees superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Strengthen your system's safety and reliability with our extensive range of expertly tailored solutions. Opt for G12-12VDC, perfect for specialized applications that demand uncompromised safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, engineered for peak efficiency and adaptability across various challenging environments.12: Embodying precision and reliability, expertly tailored for flawless integration into your systems.bb621436: The code of excellence, setting a benchmark in our pioneering 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:The typical lead time for production is approximately one month after payment is received. During this critical phase, we engage in exhaustive preparations and maintain the highest standards of quality control, ensuring each product arrives to you in impeccable condition. Our steadfast dedication to securing your complete satisfaction with our flawless delivery is our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer a remarkably low minimum order quantity, allowing you the exceptional benefit of ordering as few as a single piece for sample verification. This flexibility allows you to begin your projects effortlessly, catering precisely to your unique needs with maximum convenience and accuracy.
Question:3. How to proceed with an order for LED lights?
Answer: Begin your order by communicating your specific requirements or intended applications to us. We will then carefully prepare a custom quote, tailored exactly for your needs, either through your detailed inputs or our expert advice. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We guarantee that every specification will be met with precision, delivering a seamless, customized solution that perfectly aligns with your vision.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed flawlessly 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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