Delve into the future of hydraulic engineering with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These avant-garde marvels epitomize the zenith of hydraulic prowess by artfully marrying pressure, flow, and directional control into a single, cohesive masterpiece. This fusion assures unmatched performance and steadfast reliability across all applications. Composed of three indispensable functional modules - connecting blocks, directional valves, and end plates - these valves are scrupulously designed for seamless integration into elite hydraulic systems, pivotal for superior engineering machinery. They impeccably direct the movement and velocity of hydraulic cylinders, motors, and actuators, delivering unrivaled precision and finesse. Standout features include a compact and robust structure, exceptional energy efficiency, and the ability for stepless speed modulation. Furthermore, they empower the concurrent operation of multiple actuators under diverse loads, offering unparalleled performance and adaptability in any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and steadfast operation in every context. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. While HLPSV valves might exhibit a marginally slower response time, they excel in offering superior energy-efficient performance, solidifying their position as the quintessential choice for applications where efficiency is of the essence. With their cutting-edge innovation and energy-conserving architecture, HLPSV valves distinguish themselves as the foremost solution for sophisticated hydraulic control requisites, presenting an impeccable synthesis of precision, reliability, and energy 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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Comes with a pressure limiting valve for secondary pressure (F50), featuring a specified pressure value; providing advanced safety measures to secure operations. This ensures that your system operates safely under optimal conditions, offering unmatched protection in demanding environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component is an epitome of versatility and precision. For those preferring simplicity, /NF stands for no pressure limiting valve, specifically designed for HLPSV. This feature ensures optimal pressure control across varied scenarios, making it indispensable for your hydraulic needs. It is crafted to meet the dynamic demands of modern applications, providing the reliability you can trust.
(7) Product Series Classification - Embodying the Pinnacle of Excellence: Each series is designed to elevate your operational efficiency, ensuring superior performance.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to suit every application, ensuring that you receive a product that meets your precise requirements. Experience the cutting-edge developments in hydraulic control technology with each series, crafted to perfection.
(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, crafted for seamless integration. These thread sizes are meticulously engineered to ensure compatibility and robustness across diverse applications.
(9)Directional valve block inflow controller options: Select from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and efficiency. These options offer sophisticated control tailored to your specific operational needs.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill unique functional requirements. These symbols unlock the potential for customized solutions, enhancing system capability.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for optimal performance. Ensure that your operations are always running at peak efficiency with these finely tuned options.
(12) Secondary pressure limitation options: Choose between: 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 robust system safety. Each choice is designed to provide unparalleled security and control over your hydraulic systems.
(13) Function ON/OFF and pressure outlet options: Customizable options include: 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 designed for precision control. These configurations offer a new level of customization, aligning with your specific operational demands.
(14) Operation modes: Diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, crafted for comprehensive control. These modes allow you to tailor operations to your exact needs, maximizing both flexibility and efficiency.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability. These sizes are optimized for integration, ensuring that your system functions flawlessly.
(16) End plate options: Discover a variety of customized end plate selections designed to meet your specific needs. Choose from: E1, our standard model, featuring an external discharge of pilot oil and an external oil return control port T. E2, similar to E1, includes an additional port Y. E3 is equipped with a 2-position 3-way magnetic ball valve, enhancing system pressure to align with safety valve levels during power supply, ensuring optimal safety and performance.
E4, designed in the likeness of E1 but offering internal discharge of pilot oil as well as a sealing port T. E5 echoes E2, also with an internal discharge. E6 mirrors E3, each crafted to provide refined and sophisticated discharge control, ensuring both operational efficiency and safety.
(17) Control voltage and the length of anti-explosion type cable options: Carefully select from our versatile control voltage options such as G12-12VDC, ensuring both safety and compatibility with specialized applications. Each option is engineered to deliver exceptional performance in demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
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 flagship product, the load-sensitive proportional valve, epitomizes 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 lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
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Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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