Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of modern engineering. These revolutionary creations stand as the zenith of hydraulic innovation, seamlessly uniting pressure, flow, and directional control into an elegant, unified masterpiece. This integration ensures unmatched performance and reliability across a spectrum of applications. Typically comprised of three critical functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for incorporation into high-end hydraulic systems, indispensable for premier engineering machinery. They expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Further enhancing versatility, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and adaptability for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, guaranteeing persistent and reliable operation in diverse environments. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves might exhibit a marginally slower response time, they shine in delivering superior energy-saving performance, making them the ultimate choice for scenarios where efficiency is of utmost importance. With their pioneering engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control needs, offering an impeccable balance 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 - Introducing a revolutionary advancement in safety with our precision-engineered pressure limiting valve for secondary pressure (F50). This meticulously designed feature ensures unparalleled operational security and reliability, fortifying your equipment with the utmost confidence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock new levels of versatility and precision with tool-adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar. This component is the pinnacle of adaptability, meeting all hydraulic requirements effortlessly. For streamlined configurations, /NF denotes the absence of a pressure limiting valve, expertly crafted for HLPSV to ensure flawless pressure management across a myriad of applications.
(7) Product Series Classification - The Embodiment of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, crafted to suit every application and guarantee a product that aligns perfectly with your individual needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including essential blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from a versatile range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered to deliver precision and extraordinary efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously engineered for superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options such as: 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 engineered for precise and optimal control.
(14) Operation modes: Select from a wide range of operation modes: 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, engineered for comprehensive and precise regulation.
(15) Ancillary block port sizes: Explore our versatile, precision-engineered port options designed for seamless adaptability and integration into your system architecture. Available sizes include: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure optimal performance and match your specific needs with efficiency and reliability.
(16) End plate options: Unveil our meticulously crafted end plate selections tailored to elevate your hydraulic system's performance. E1 offers the standard choice with an external discharge of pilot oil coupled with an external oil return control port T. E2 takes this a step further with the addition of port Y for enhanced functionality. E3 stands out by incorporating a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when activated.
For those requiring innovation in internal mechanisms, E4 mirrors E1's design but incorporates an advanced internal discharge of pilot oil alongside a sealed port T. E5 mirrors E2's features with the added sophistication of internal discharge. E6, aligning with the elegance of E3, provides superior discharge control, ensuring precision and enhanced system integrity.
(17) Control voltage and anti-explosion cable options: We offer a spectrum of secure, compatible voltage and cable options. Select G12-12VDC, specifically crafted for safety and optimization in challenging environments, delivering robust performance and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation in the hydraulic industry, setting standards with groundbreaking advancements and unparalleled quality. As a prestigious arm of the respected China Baoan Group (stock code: 000009), we are proudly distinguished as a national high-tech enterprise. Our core competencies encompass the precise research, state-of-the-art development, meticulous manufacturing, and strategic sales of superior hydraulic components. Being honored as a national 'specialized, refined, and innovative' small giant enterprise highlights our relentless pursuit of technological excellence and superior quality. This unwavering dedication firmly establishes us as leaders in our industry.
Our Enhanced Safety Valve Technology, epitomized by the flagship load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. This expertly engineered component is indispensable for construction machinery and heavy-duty equipment, crucial for high-stakes scenarios such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing a crucial role in the localization of core hydraulic components for high-end mechanical apparatus. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit to deliver exceptional products, services, and solutions. Our mission is to become a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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