Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just ordinary components; they epitomize a masterful blend of engineering prowess and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, these valves deliver exceptional performance and unwavering reliability for any application. Crafted with precision, they consist of three integral functional modules - connecting blocks, directional valves, and end plates - designed meticulously for integration into elite hydraulic systems, essential for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Notable features include a sleek, compact design, unrivaled energy efficiency, and the ability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, ensuring unparalleled performance and versatility across a multitude of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, guaranteeing steadfast, reliable operations in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a marginally slower response, HLPSV valves excel in energy-saving capabilities, making them the quintessential choice when efficiency is paramount. With state-of-the-art engineering and eco-conscious design, these valves emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable precision, reliability, and energy efficiency into one cohesive 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 - No magnetic ball valve; F - Experience the seamless innovation of our normally open magnetic ball valve, which enables pump pressurization when powered and perfect unloading when unpowered, ensuring unmatched fluid control. D - Unveil the efficiency of our normally closed magnetic ball valve, expertly crafted to facilitate pump unloading when powered and precise pressurization when not, for optimal operation.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, a masterpiece designed for secondary pressure (F50). This state-of-the-art feature not only guarantees advanced safety protocols but also significantly enhances operational security and reliability, setting a new benchmark in safety.
(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 is a testament to 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, ensuring superior performance and unmatched reliability.
(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 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 precision and exceptional efficiency, tailored for your hydraulic sophistication.
(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, promising uncompromised performance and reliability.
(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 unwavering 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 with meticulous precision.
(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 unparalleled functionality.
(14) Operation modes: Immerse yourself in a world of unmatched versatility with our operation modes. Choose from an extensive selection: A(1,2), offering manual operation with your choice of a long or short handle; E, providing electric proportional control; EA(1,2), a seamless blend of electric proportional control with manual operation; D, featuring electric switching value control; DA(1,2), a potent combination of electric switching value control and manual operation; M, ensuring precise manual friction positioning using a long handle; H, delivering pure hydraulic control by aligning pilot oil ports directly with oil ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports. Each option is meticulously designed to deliver comprehensive and precise control for your operational needs.
(15) Ancillary block port sizes: Elevate your system's performance with our meticulously engineered port size solutions, designed for perfect adaptability and seamless integration. Select from our expertly crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each variant is tailored to provide unmatched flexibility and efficiency, catering to your specific requirements with precision and excellence.
(16) End plate options: Discover our exceptional range of precisely engineered end plate innovations. E1, the benchmark standard, features external pilot oil discharge and an external oil return control port T. Enhance your system with E2, adding an extra port Y for even greater functionality. Experience the cutting-edge E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve standards when energized. Each end plate is crafted to ensure superior performance and reliability.
E4, following the path of E1, uniquely offers internal pilot oil discharge and a sealed port T. E5 parallels E2's excellence, enhanced with internal discharge capabilities. Embrace the future with E6, reflecting E3's innovative design. Every variant promises superior discharge control, ensuring peak operational efficiency and optimal system performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our extensive selection of expertly crafted solutions. Choose G12-12VDC for specialized scenarios demanding outstanding safety and compatibility.G24: The pinnacle of steadfast performance, ensuring unwavering dependability for your systems.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic decisions with these options, engineered for supreme efficiency and adaptability across a wide range of challenging environments.12: Exemplifying precision and reliability, these solutions are expertly crafted for flawless integration into your systems.bb621436: This code represents excellence, setting a benchmark in our trailblazing 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.
Inquiries:1. What about the lead time for your products?
Response:Typically, the lead time for production is around one month once payment is confirmed. During this pivotal stage, we initiate extensive preparations and adhere to the most stringent quality control measures, ensuring each product arrives in immaculate condition. Our steadfast dedication to delivering excellence and securing your utmost satisfaction with every delivery is our primary commitment.
Inquiry:2. Do you have any Minimum Order Quantity (MOQ) restrictions for LED light orders?
Response: We are delighted to offer a remarkably low minimum order quantity, allowing you the exceptional advantage of ordering as few as one piece for sample evaluation. This adaptability empowers you to embark on your projects effortlessly, catering specifically to your unique requirements with the greatest ease and precision.
Inquiry:3. How can I place an order for LED lights?
Response: To begin, please communicate your precise requirements or intended applications to us. We will diligently craft a customized quote, uniquely tailored to your needs, either based on your detailed input or our professional guidance. After finalizing the drawings and receiving a deposit, we will formalize the order and initiate production. We guarantee that every specification will be meticulously fulfilled, providing you with a seamless, personalized solution that aligns perfectly with your vision.drawings,and make a deposit to formalize the order. Ultimately, we will arrange production, ensuring every detail is executed flawlessly for a seamless and customized solution.
Inquiry:4. Is it possible to print my logo on the product?
Response: Certainly, this is entirely feasible. Please ensure that you formally notify us before production commences and confirm the design according to the sample we provide. This guarantees your branding is represented with exceptional precision and quality, perfectly reflecting your identity.
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