Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 cornerstone of dependable operation, offering unwavering consistency and efficiency, essential for maintaining a smooth and continuous workflow in your system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, catering to diverse operational demands with exceptional agility and precision.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to form a dependable operational foundation::
2-G3/8; Engineered for compact efficiency, facilitating smooth and streamlined operations with ease.
3-G1/2; Built for durability and steadfastness, providing a robust framework to uphold the integrity of your system.;
4-G3/4; Designed for advanced connectivity, delivering superior control and seamless system integration.;
5, 55-G1; Optimized for high-flow applications, ensuring consistent and reliable performance even in the most demanding scenarios.;
6-G1 1/4; Providing extraordinary performance, expertly crafted to excel under pressure and navigate complex challenges with ease.;
(3) Additional Components and Specifications - Pushing boundaries to enhance system capabilities beyond expectations::
C,Standard Type - A formidable and reliable base, thoughtfully engineered to fulfill critical operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision flow control, significantly improving system efficiency and responsiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, ensuring unparalleled system performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure regulation solutions tailored to a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering customized solutions to seamlessly address your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing control and efficiency: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 dynamic solutions to enhance system flexibility and control.D/F - Immerse yourself in the realm of state-of-the-art engineering with our precision-crafted pressure limiting valve for secondary pressure (F50). This marvel, with its meticulously defined pressure value, serves as a beacon of advanced safety, bolstering operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Reach the zenith of adaptability and precision with settings meticulously adjustable at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the embodiment of versatility, seamlessly meeting every hydraulic requirement. Experience the /NF configuration, a system without a pressure limiting valve, expertly crafted for HLPSV, offering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Apex of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a pinnacle of design, splendidly tailored to suit every application, ensuring a product that perfectly aligns with your specific needs.
(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, meticulously engineered for seamless and flawless 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 exceptional precision and efficiency.
(10) Valve core function symbols: Discover an expansive selection of core functions: L, M, F, H, J, B, R, O, N, each carefully designed to meet specific functional needs.
(11) Output flow code for ports A & B: Unlock peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and reliability.
(12) Secondary pressure limitation options: Opt for: 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 uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your control 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 precision and exact functionality.
(14) Operation modes: Choose from a versatile range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 and precise control.
(15) Ancillary block port sizes: Discover the pinnacle of versatility with our expertly engineered ancillary block port sizes. Choose from our diverse selection: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each one meticulously crafted for seamless adaptability and flawless integration into a multitude of systems, ensuring that your equipment operates with utmost precision and efficiency.
(16) End plate options: Delve into our meticulously crafted end plate solutions, each designed to meet your specific needs. E1, your standard choice, provides an external discharge of pilot oil and an external oil return control port T, ensuring reliable performance. E2, similar to E1, is enhanced with an additional port Y for superior flexibility. E3, featuring a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels upon activation, offering unmatched control and safety.
E4, designed in the same vein as E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced security and efficiency. E5 mirrors the advanced features of E2, incorporating internal discharge to optimize performance. E6 embodies the sophisticated design of E3, ensuring advanced discharge control across all variants, each crafted to provide superior performance and adaptability.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range of control voltage and anti-explosion cable options. Our offerings include G12-12VDC, meticulously crafted to ensure safety and reliability, even in the most demanding applications.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 been a shining beacon of innovation and unparalleled excellence within the hydraulic industry. As an esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our unmatched expertise lies in the meticulous research, development, manufacturing, and sales of world-class hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, our relentless commitment to technological advancement and superior quality positions us as unmatched leaders in our field.
Our flagship product, the revolutionary enhanced Safety Atex Valve, stands as 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, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, significantly contributing to 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 are steadfast 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 on a worldwide scale.
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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