Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent 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 bedrock of reliability, providing unwavering and consistent performance to maintain smooth operations throughout your system.;
HLPSV: Variable Displacement Pump - Epitome of adaptability and versatility, offering exceptional flexibility to address a wide spectrum of operational needs efficiently.;
(2) Connection Block Ports P & R Specifications - Precision intertwines with reliability to establish a dependable operational structure::
2-G3/8; Expertly designed for compact efficacy, facilitating streamlined and seamless operational flows with ease.
3-G1/2; Engineered for stability and reliability, providing a solid framework for your system's integrity.;
4-G3/4; Equipped with advanced connectivity, offering supreme control and enhanced system integration for superior performance.;
5, 55-G1; Designed for superior flow rates, ideal for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unparalleled performance, crafted to excel in challenging environments and tackle obstacles effortlessly.;
(3) Additional Components and Specifications - Boosting system capabilities to new heights of excellence::
C,Standard Type - A steadfast and reliable foundation, meticulously crafted to fulfill essential operational prerequisites.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly meet your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system 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 - Experience the unparalleled precision and innovation with our state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). It is meticulously equipped with a specifically defined pressure value, representing a marvel of advanced engineering. This valve ensures optimal enhancement of safety measures, pushing operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, effortlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, meticulously tailored for HLPSV, delivering unrivaled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to expert design, skillfully crafted to fit every application, ensuring you receive a product perfectly attuned to your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, impeccably engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Explore an array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically 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: Uncover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requisites.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and dependability.
(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: Customize your experience 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 engineered for precise control and functionality.
(14) Operation modes: Select from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), an integration of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of 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 control.
(15) Ancillary block port sizes: Discover the epitome of versatility with our meticulously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is masterfully crafted to ensure seamless adaptability and flawless integration across diverse systems, elevating performance to unparalleled heights.
(16) End plate options: Delve into our expertly designed end plate solutions, where innovation meets functionality: E1, your standard choice, provides an external discharge of pilot oil complemented by an external oil return control port T; E2 mirrors E1 but introduces an additional port Y for enhanced operational flexibility; E3, a game-changer, incorporates a 2-position 3-way magnetic ball valve, propelling system pressure to safety valve thresholds when activated.
E4, crafted with the ingenuity of E1, innovatively integrates an internal discharge of pilot oil along with a sealed port T; E5 parallels the attributes of E2, featuring an internal discharge for superior performance; E6 mirrors the advanced design of E3, ensuring sophisticated discharge control across every variant, setting new standards in system efficiency.
(17) Control voltage and anti-explosion cable options: Choose from our robust and compatible selection, featuring options like G12-12VDC, engineered with precision for safety and specialization, meeting the demands of the most challenging 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 emerged as a beacon of innovation and unmatched excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our reputation as a national high-tech enterprise stands strong. Our unrivaled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart in the competitive landscape. As a recognized national 'specialized, refined, and innovative' small giant enterprise, our steadfast dedication to technological advancement and superior quality is evident. Our relentless commitment clearly positions us as leaders in this dynamic domain.
Our flagship marvel, the enhanced Safety Atex Valve, epitomizes the zenith of sophisticated hydraulic system control. Expertly crafted for robust construction machinery and heavy-duty equipment, this versatile component is indispensable for critical operations such as emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. With immense pride, we celebrate our strategic collaborations with numerous leading domestic manufacturers, playing a vital role in localizing core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our commitment to deliver exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting unprecedented standards of excellence worldwide.
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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