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 cornerstone of unwavering reliability, delivering steady and consistent performance to ensure the smoothest and most efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, offering unparalleled flexibility to meet a vast array of operational needs and challenges.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, creating a dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, designed to support seamless and streamlined operational processes.
3-G1/2; Engineered for robustness and dependability, providing a sturdy foundation for your system's integrity.;
4-G3/4; Features advanced connectivity, offering superior control and enhanced integration with your system.;
5, 55-G1; Furnished 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 challenging environments and tackle problems effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly fulfill your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, activating it when unpowered;D/F - Unveil the exceptional craftsmanship with our precision-engineered pressure limiting valve for secondary pressure (F50). Featuring a well-defined pressure value, this state-of-the-art innovation is designed to fortify safety measures and amplify operational security and reliability, ensuring peace of mind in every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into a world of versatility and precision with tool-adjustable settings offered at 63, 120, 210, 280, 315, 350, and 400 bar levels. This adaptable component is a beacon of engineering prowess, meeting all hydraulic demands. For configurations where simplicity reigns, /NF denotes an absence of the pressure limiting valve, crafted meticulously for HLPSV to ensure impeccable pressure management across a spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Perfection:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, crafted to meet every application, delivering a product that flawlessly aligns with your precise 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, ingeniously engineered for smooth and seamless integration, ensuring optimal performance.
(9)Directional valve block inflow controller options: Select from an array of choices: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and outstanding efficiency.
(10) Valve core function symbols: Explore a diverse array of core functions: L, M, F, H, J, B, R, O, N, each scrupulously crafted to fulfill specific functional needs, ensuring unparalleled performance and versatility.
(11) Output flow code for ports A & B: Attain peak efficiency with our available output flow rates: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for superior performance and reliability in all operations.
(12) Secondary pressure limitation options: Choose from: 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 exemplary control and functionality.
(14) Operation modes: Choose from a myriad 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from our expertly engineered and highly adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is designed for seamless adaptability and flawless integration into your system, ensuring optimal performance and flexibility.
(16) End plate options: Explore our meticulously crafted end plate solutions. E1 offers a standard option with external pilot oil discharge and an external oil return control port T. E2 enhances E1 with an additional port Y, providing more versatility. E3 includes a sophisticated 2-position 3-way magnetic ball valve, which, when energized, elevates your system's safety to new heights.
E4 mirrors E1, yet innovatively features an internal discharge of pilot oil with a sealed port T for greater efficiency. E5, akin to E2, also boasts internal discharge capabilities, while E6, reflecting E3's design, ensures advanced discharge control with unmatched sophistication.
(17) Control voltage and anti-explosion cable options: Select from a comprehensive range of secure and robust options, including G12-12VDC, meticulously tailored for safety and specialized demanding applications, ensuring uncompromised performance.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 prized innovation, the enhanced Safety Atex Valve, exemplifies our dedication to cutting-edge technology and safety. This flagship product, the load-sensitive proportional valve, is the epitome of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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 steadfast in our quest to deliver exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new global benchmarks of excellence and innovation.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this period, we engage in thorough preparations and maintain strict quality control standards, ensuring that each product reaches you in flawless condition. Delivering impeccable products and achieving your complete satisfaction is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, enabling you to order as little as a single piece for sample verification. This flexibility allows you to start your projects with ease and precision, perfectly suiting your unique requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your specific requirements or intended applications with us. We will then prepare a tailored quote just for you, either based on your distinct needs or our expert recommendations. Once the drawings are finalized and a deposit is received, we will confirm the order and commence production. We guarantee that every specification is met with precision, delivering a seamless and bespoke solution tailored to your needs.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is executed to perfection for a seamless and customized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Please ensure that you formally notify us before production begins and confirm the design based on the sample we provide. This guarantees that your branding is represented with unmatched precision and excellence, perfectly capturing your identity.
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