Step into the future of hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they represent the pinnacle of engineering prowess and avant-garde hydraulic innovation. Our valves, a symphony of pressure, flow, and directional control, merge seamlessly into one harmonious unit, delivering exceptional performance and unmatched reliability across all applications. Crafted with unparalleled precision, these valves feature three key functional modules-connecting blocks, directional valves, and end plates-engineered for seamless integration into elite hydraulic systems, crucial for top-notch engineering machinery. They deftly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Standout features include a sleek, compact design, superior energy efficiency, and seamless speed modulation capabilities. Additionally, they enable multiple actuators to operate concurrently under varying loads, providing unparalleled performance and versatility for a wide array of applications.
The HLPSL valves are specifically engineered for constant displacement pump systems, ensuring unwavering, reliable operations in any situation. Conversely, the HLPSV valves are finely tuned for variable pump systems. Despite a slightly slower response, HLPSV valves are distinguished by their remarkable energy-saving abilities, making them the ideal choice when efficiency is paramount. With state-of-the-art engineering and environmentally conscious design, these valves emerge as the quintessential solution for advanced hydraulic control needs, marrying exquisite precision, reliability, and energy efficiency into one flawless 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 - An steadfast cornerstone of unwavering performance, this reliable titan ensures consistent, seamless delivery, optimizing operations across your entire system effortlessly.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump provides exceptional flexibility to address a wide spectrum of operational demands with remarkable ease.;
(2) Connection Block Ports P & R Specifications - Where precision craftsmanship meets reliability, creating a robust and enduring operational framework::
2-G3/8; Designed with compact efficiency, it ensures fluid, uninterrupted operational flows.
3-G1/2; Crafted for robust performance and unwavering dependability, it fortifies the integrity of your system.;
4-G3/4; Featuring state-of-the-art connectivity, it provides superior control and seamless system integration.;
5, 55-G1; With exceptional flow rates, it's tailored for high-demand applications, ensuring reliable, consistent outcomes.;
6-G1 1/4; Delivering unmatched performance, this component is expertly designed to excel in demanding environments, effortlessly overcoming challenges.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented heights of excellence::
C,Standard Type - A bastion of reliability, meticulously designed to meet essential operational needs with precision and accuracy.;
G,Throttle Valve (For HLPSL only) - Offers precision control, significantly enhancing the system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions to precisely meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions that align seamlessly with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating system efficiency and control with unmatched precision:C - Models without magnetic ball valve offer streamlined simplicity; F - The normally open magnetic ball valve design allows for efficient pump pressurization upon activation and smooth unloading when deactivated; D - Embrace the normally closed magnetic ball valve configuration, ensuring effective pump unloading when activated and optimized pressurization when deactivated.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning 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 wide 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 diverse applications, providing you with a product that aligns seamlessly 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 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: 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.
(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.
(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.
(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.
(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 functionality.
(14) Operation modes: Immerse yourself in a world of versatile operation modes, offering a rich selection tailored to meet your every need. Choose from A(1,2) for manual operation with an optional long or short handle, E for electric proportional control, and EA(1,2) which seamlessly blends electric proportional control with manual operation. Discover D for electric switching value control, DA(1,2) for a perfect mix of electric switching value control and manual operation, M for manual friction positioning with a long handle, and H for pure hydraulic control, harmonizing pilot oil ports with oil ports A and B. Finally, F offers pure hydraulic control with perpendicular pilot oil ports. Each mode is skillfully engineered to provide you with comprehensive and precise control like never before.
(15) Ancillary block port sizes: Elevate your system's adaptability with our exquisitely engineered port size solutions, designed for seamless integration and superior performance. Choose from: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each providing exceptional flexibility to meet your specific needs. These expertly crafted options ensure unparalleled efficiency and adaptability, making them the perfect choice for your system's requirements.
(16) End plate options: Embark on a journey through our extraordinary suite of precisely crafted end plate solutions. E1 sets the benchmark with its external pilot oil discharge and an external oil return control port T. Enhance your system with E2, featuring an additional port Y for added functionality. Experience innovation with E3, which incorporates a 2-position 3-way magnetic ball valve to elevate your system's pressure to first-rate safety valve standards when energized, providing superior performance and reliability.
E4 mirrors the precision of E1 with an internal pilot oil discharge and a sealed port T. E5 continues the excellence of E2, now equipped with internal discharge capabilities. Embrace cutting-edge technology with E6, reflecting E3's forward-thinking design. Each variant promises top-tier discharge control, ensuring your system runs at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's stability and protection with our comprehensive selection of expertly curated solutions. Choose G12-12VDC for specialized applications where uncompromised safety and compatibility are paramount.G24: Opt for the ultimate choice in steadfast performance and unwavering reliability, ensuring your system meets the highest standards of dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Amplify your strategic options with these solutions, engineered for peak efficiency and adaptability across a wide range of challenging environments.12: Delivering precision and reliability, expertly crafted for seamless integration into your systems, ensuring flawless operation every time.bb621436: The hallmark of excellence, establishing a new standard in our innovative design approach.
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:Q1. What about the lead time?
Expert Response:In general, our production lead time spans about one month once we receive your payment. During this pivotal timeframe, we engage in detailed preparations and maintain rigorous quality control standards to ensure every product arrives in immaculate condition. Our steadfast commitment to delivering impeccable products and achieving your utmost satisfaction is at the core of our service promise.
Customer Inquiry:Q2. Do you have any MOQ limit for LED light orders?
Expert Response: We are delighted to offer an extremely low minimum order quantity, allowing you the advantage of ordering as little as a single piece for sample verification. This flexibility is designed to help you launch your projects with ease, precisely accommodating your specific requirements with the utmost convenience and accuracy.
Customer Inquiry:Q3. How to proceed with an order for LED lights?
Expert Response: To initiate your order, please share your detailed requirements or intended applications with us. We will craft a customized quote, tailored specifically to your needs, based on either the information you provide or our expert guidance. Once the designs are approved and a deposit is secured, we will formalize the order and begin production. Rest assured, every specification will be meticulously adhered to, offering you a seamless, customized solution that aligns perfectly with your vision.designs,and secure a deposit to finalize the order. We will then coordinate production, ensuring every element is executed flawlessly for a seamless and bespoke solution.
Customer Inquiry:Q4. Is it OK to print my logo on the product?
Expert Response: Certainly, this is entirely feasible. Kindly inform us prior to the onset of production and verify the design in accordance with the sample we furnish. This guarantees that your branding is depicted with exceptional accuracy and quality, perfectly reflecting your brand identity.
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