Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the pinnacle of hydraulic innovation. These extraordinary engineering marvels seamlessly integrate pressure, flow, and directional control into one cohesive unit, delivering unparalleled performance and reliability across diverse applications. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves are designed for flawless integration into sophisticated hydraulic systems, fundamental for top-tier engineering machinery. They meticulously control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and meticulous control. Key highlights include a space-efficient structure, outstanding energy savings, and the ability for stepless speed modulation. Furthermore, they allow multiple actuators to operate simultaneously under various loads, ensuring extraordinary performance and versatility, meeting the demands of any application with finesse.
The HLPSL valves are meticulously designed for constant displacement pump systems, guaranteeing consistent and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may show a slightly slower response, they excel in delivering superior energy-saving performance, making them the optimal choice where efficiency is paramount. With advanced engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, providing an ideal 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 heart of unwavering reliability, this pump delivers consistent and steadfast performance, ensuring smooth and efficient operations across your system. Experience unmatched dependability that keeps everything running seamlessly, as if on a perfectly synchronized clockwork.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering exceptional flexibility to meet a broad spectrum of operational needs. Expertly tailored to adjust to changing demands, it enables seamless transitions and superior control for precision-driven performance.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, creating a dependable operational framework: Painstakingly designed for flawless functionality, enhancing reliability and performance across all applications with superior craftsmanship.:
2-G3/8; Precision-crafted for compact efficiency, designed to support smooth and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance, even in the most constrained spaces.
3-G1/2; Built for robustness and reliability, providing a steadfast foundation for your system's integrity. Constructed to endure and deliver unwavering durability, even under the most challenging conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Merging sophistication with efficiency to elevate your system's operational prowess to new heights.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Masterfully designed for excellence, it handles high-pressure challenges with unparalleled ease.;
6-G1 1/4; Delivering unprecedented performance with expert design to excel in demanding environments and effortlessly overcome challenges. Setting new benchmarks in power and performance, it's engineered for ultimate efficiency.;
(3) Additional Components and Specifications - Elevating your system capabilities to unprecedented heights: Unleashing the full potential of your operations with advanced components that redefine the standards of excellence.:
C,Standard Type - A foundation of unwavering reliability, meticulously crafted to meet essential operational standards. Providing rock-solid support and unmatched reliability, it empowers your system with steadfast dependability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system. Fine-tunes your operations for peak effectiveness and superior performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and dependability. Surpassing conventional performance limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Customized pressure control solutions crafted to meet diverse application needs: Tailored to fit your requirements, offering precision control perfectly aligned with your operational objectives.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. Customizable configurations to ensure you achieve your desired outcomes with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: Designed to optimize your system's performance, delivering unparalleled control and superior effectiveness.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; Offering precision tuning for unparalleled system efficiency.D/F - Presenting a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a specifically defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific 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, skillfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and dependability.
(12) Secondary pressure limitation options: Select 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 meticulously measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your hydraulic system's performance with customizable options such as: N, for systems without function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, showcasing AB type pressure limitation; A, with electrical ON/OFF on side A; B, featuring electrical ON/OFF on side B. Each option is meticulously engineered for unmatched precision and superior control.
(14) Operation modes: Explore a wide array of operation modes designed for maximum versatility: A(1,2), offering manual operation with the choice of long or short handle; E, with electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, offering electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, featuring manual friction positioning with a long handle; H, for pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, presenting pure hydraulic control with perpendicular pilot oil ports. Each mode is masterfully crafted for thorough, precise control.
(15) Ancillary block port sizes: Experience unparalleled versatility with our ingeniously designed port sizes: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each size is precisely engineered to guarantee seamless adaptability and flawless integration across various systems, ensuring peak efficiency and optimal performance.
(16) End plate options: Explore our expertly crafted end plate solutions: E1 offers a standard choice with external discharge of pilot oil and an external oil return control port T. E2 expands on E1 with additional port Y for greater flexibility; E3 is equipped with a sophisticated 2-position, 3-way magnetic ball valve that boosts system pressure to safety valve levels when engaged, ensuring unparalleled performance.
E4, similar to E1, innovatively features an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 maintains the robust features of E2 with an internal discharge, ensuring supreme performance. E6 replicates the advanced design of E3, offering superior discharge control to meet complex system requirements.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, including G12-12VDC, crafted for safety and reliability in the most demanding environments. Our options provide specialized solutions and assure 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 become a shining emblem of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, a testament to our unwavering dedication to technological advancement and premium quality. Our unrivaled expertise encompasses the meticulous research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of perfection, solidifying our status as trailblazers in the field.
Our flagship masterpiece, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a crucial role in vital applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain committed to delivering extraordinary products, services, and solutions. Our mission is to become a globally trusted supplier of premium hydraulic components, consistently setting new benchmarks of excellence on the international 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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