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 ensures 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 reliability, delivering unwavering and consistent performance, ensuring the smoothest and most efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - An embodiment of adaptability and versatility, providing exceptional flexibility to seamlessly meet a diverse range of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a robust and dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Meticulously engineered for robustness and reliability, providing a solid foundation for the integrity of your system.;
4-G3/4; Featuring state-of-the-art connectivity, offering superior control and an enhanced level of system integration.;
5, 55-G1; With superior flow rates, it is ideal for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments and effortlessly tackle any operational challenges.;
(3) Additional Components and Specifications - Elevating the capabilities of your system to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke 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); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered;D/F - Immerse yourself in the world of cutting-edge technology with this precision-crafted pressure limiting valve designed for secondary pressure (F50). Featuring a specifically defined pressure value, it stands as a marvel of modern engineering, dramatically enhancing advanced safety protocols. Experience an unmatched blend of operational security and reliability, setting new benchmarks in the industry.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Encounter the ultimate in versatility and precision with its adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, poised to meet every hydraulic demand with ease. The /NF configuration offers systems crafted without a pressure limiting valve, specifically engineered for HLPSV, delivering an exceptional level of 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 is an exemplary showcase of design mastery, thoughtfully created to suit every application. These series ensure you receive a product that perfectly matches your specific requirements, embodying innovation at every turn.
(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, each piece is meticulously engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Discover an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller optimized for both inlet and outlet, ideal for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options-all offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional demands with precision.
(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 to deliver supreme performance and unwavering dependability.
(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 absolute system safety and integrity.
(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 control and enhanced functionality.
(14) Operation modes: Select from an extensive variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless 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: Discover the pinnacle of engineering excellence with our versatile options designed for superior integration and adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is crafted to ensure smooth compatibility and flawless function across diverse systems.
(16) End plate options: Delve into our range of meticulously curated end plate solutions. E1, the standard option, provides an external discharge of pilot oil and an external oil return control port T. E2 enhances E1's capabilities with an extra port Y for greater flexibility. E3 is equipped with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve thresholds when engaged.
E4, designed in the spirit of E1, uniquely integrates an internal discharge of pilot oil with a sealed port T. E5 mirrors E2's attributes, offering internal discharge for optimized performance. E6 embodies the elegance of E3's design, providing advanced discharge control across all variants with precision engineering.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure selections, like G12-12VDC, specifically engineered for safety and tailored to meet the stringent demands of challenging 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 beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial 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, contributing significantly to the localization of 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 are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new 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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