Discover the epitome of hydraulic innovation with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic technology, seamlessly fusing pressure, flow, and directional mastery into a cohesive, unparalleled creation. With this, we ensure superior performance and unmatched reliability across various applications. Comprising three indispensable functional modules - connecting blocks, directional valves, and end plates - these meticulously engineered valves are designed for seamless integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. They precisely dictate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unsurpassed precision and control. Key highlights include a compact, efficient structure, exceptional energy efficiency, and the capacity for stepless speed regulation. Furthermore, they empower multiple actuators to operate concurrently under diverse loads, delivering peerless performance and versatility for any application.
Tailored for excellence, the HLPSL valves are precisely engineered for constant displacement pump systems, ensuring steadfast and reliable operation in every environment. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While exhibiting a slightly slower response time, the HLPSV valves excel in delivering remarkable energy-saving performance, positioning them as the premier choice for applications where efficiency is paramount. With state-of-the-art engineering and an energy-efficient design, HLPSV valves emerge as the leading solution for sophisticated hydraulic control requirements, offering an impeccable blend of precision, reliability, and efficiency.
| 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
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 - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Elevate your safety to unprecedented heights with our meticulously crafted precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature not only ensures the adherence to superior safety standards but also dramatically enhances operational security and reliability, making it the ideal choice for demanding applications.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with our adjustable pressure settings, ranging from 63 to 400 bar. This adaptable component is expertly designed to meet diverse hydraulic requirements. For flawless configurations, /NF indicates the absence of a pressure limiting valve, specially crafted for HLPSV, ensuring flawless pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering, meticulously crafted to cater to a broad range of applications, providing you with a product that aligns perfectly with your unique requirements.
(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 exceptional precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Opt from a wide range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, expertly designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with unparalleled precision.
(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 designed to deliver superior performance and 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, all measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Configure 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 engineered with precision for exact control and functionality.
(14) Operation modes: Choose from a wide spectrum of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend 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 crafted with meticulous precision for comprehensive control.
(15) Ancillary Block Port Sizes: Immerse yourself in the precision of our ancillary block port sizes, crafted with impeccable attention to detail for flawless adaptability and integration. Choose from our expertly engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option exemplifies the pinnacle of flexibility and functionality, ensuring an ideal fit for your specific requirements.
(16) End Plate Options: Embark on a journey through our superbly curated range of end plate solutions, each designed with precision to meet your system's unique needs. E1 offers a standard configuration with external pilot oil discharge and an external oil return control port T. E2 mirrors E1 but is augmented with an additional port Y for enhanced functionality. Experience the breakthrough innovation with E3, featuring a 2-position 3-way magnetic ball valve that elevates your system pressure to safety valve levels upon activation, delivering unparalleled performance.
E4, akin to E1, distinguishes itself by incorporating an internal discharge of pilot oil along with a sealed port T, ensuring superior system integrity. E5 reflects the features of E2 but includes an internal discharge mechanism. Delve into the sophistication of E6, mirroring E3's advanced design, each variant offering superior discharge control for optimal system efficiency and reliability.
(17) Control Voltage and Anti-Explosion Cable Options: Fortify your system's safety and dependability with our diverse array of customized solutions. Opt for G12-12VDC, ideal for specialized applications where safety and compatibility are paramount.G24: A versatile solution for standard applications demanding robust performance.-: Seamlessly integrate into your system with our comprehensive options.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Choose from a wide selection of high-quality cables tailored for diverse applications, ensuring optimal performance and safety.12: Ensure quality performance with robust solutions tailored for 12V systems.bb621436
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.
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