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 a fusion of engineering brilliance and pioneering hydraulic innovation. By effortlessly combining pressure, flow, and directional control into a unified, harmonious system, our valves offer outstanding performance and steadfast reliability for every application. Engineered with meticulous precision, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - each crafted for seamless integration into elite hydraulic systems, vital for premier engineering machinery. These valves masterfully control the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and regulation. Highlights include an elegant, compact design, remarkable energy efficiency, and the capability for smooth, stepless speed variation. Plus, they enable multiple actuators to operate simultaneously under diverse loads, ensuring unmatched performance and versatility across various applications.
The HLPSL valves are ingeniously designed for constant displacement pump systems, guaranteeing consistent, dependable operations across all scenarios. In contrast, the HLPSV valves are meticulously engineered for variable pump systems. Although they may present a slightly slower response, HLPSV valves are distinguished by their exceptional energy-saving attributes, making them the perfect choice when efficiency is a key priority. With cutting-edge engineering and an environmentally conscious design, these valves emerge as the quintessential solution for advanced hydraulic control demands, seamlessly blending flawless precision, reliability, and energy efficiency into one comprehensive 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 unparalleled ease with our normally open magnetic ball valve, which seamlessly enables pump pressurization when powered and effortlessly transitions to unloading when unpowered. D - Indulge in the reliability of our normally closed magnetic ball valve, facilitating pump unloading when powered and switching to pressurization when unpowered, for uninterrupted operations.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly boosting operational security and reliability, ensuring your system's utmost protection.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component showcases 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 spectrum of applications, enhancing operational efficiency.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, precisely crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs, embodying the epitome of innovation and quality.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly designed ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted with precision for seamless integration and streamlined 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 to meet your specific hydraulic needs.
(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, empowering your system with unmatched capability and adaptability.
(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 your system operates at its optimal potential.
(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 integrity.
(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, enhancing system performance and flexibility.
(14) Operation modes: Unleash the power of versatility with our expansive selection of operation modes, meticulously crafted for comprehensive and precise control. Choose from the innovative A(1,2) mode for manual finesse with optional long or short handles, or opt for E, the epitome of electric proportional control. Experience the seamless fusion of EA(1,2), combining electric proportional control with manual prowess. The D mode offers electric switching value control, while DA(1,2) integrates it with manual operation for unparalleled adaptability. M mode provides manual friction positioning with a reassuring long handle, while H delivers pure hydraulic control by aligning pilot oil ports with oil ports A and B. Finally, F mode features pure hydraulic control with perpendicular pilot oil ports, ensuring every operational need is met with precision and excellence.
(15) Ancillary block port sizes: Transform your systems with our exquisitely engineered port size solutions, designed for perfect adaptability and seamless integration. Choose from our expertly crafted selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unmatched flexibility and is finely tailored to meet your specific needs with exceptional efficiency, ensuring your hydraulic systems operate flawlessly.
(16) End plate options: Discover our extraordinary suite of precisely tailored end plate innovations, designed to elevate your system's functionality. E1 sets the standard with external pilot oil discharge and an external oil return control port T. Enhance your system with E2, introducing an additional port Y for increased functionality. Explore the groundbreaking innovation of E3, featuring a 2-position 3-way magnetic ball valve that elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, similar to E1, is distinct with an internal pilot oil discharge and a sealed port T, offering superior discharge control. E5 mirrors the excellence of E2 with internal discharge capabilities, stepping into advanced technology. E6 echoes E3's forward-thinking design, ensuring your system operates at peak efficiency and optimal performance. Each variant guarantees exceptional discharge control, tailored for your system's precise needs.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our extensive range of expertly crafted solutions. G12-12VDC is the ideal choice for specialized applications that require uncompromised safety and compatibility, providing peace of mind and robust protection.G24: Experience the ultimate choice for steadfast performance and unwavering dependability, ensuring your system functions flawlessly under any conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these expertly engineered options, designed for peak efficiency and adaptability across a multitude of challenging environments, ensuring your system's optimal performance.12: Experience precision and reliability with our expertly tailored solution, ensuring flawless integration into your systems, enhancing overall performance and dependability.bb621436: The epitome of excellence, setting a benchmark in our pioneering design, representing unmatched quality and innovation in the industry.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has brilliantly illuminated the hydraulic industry with a beacon of groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise of distinction. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components, setting us apart in the industry. 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, consistently leading and setting standards 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 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. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
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