Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome 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 dependability, offering unwavering and consistent performance to guarantee smooth and efficient operations within your system.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, providing exceptional flexibility to suit a wide spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability combine to create a dependable operational framework::
2-G3/8; Crafted for compact efficiency, engineered to support smooth and seamless operational flows.
3-G1/2; Built for durability and reliability, providing a strong foundation for your system's stability.;
4-G3/4; Featuring advanced connectivity, offering exceptional control and enhanced system integration.;
5, 55-G1; Ensuring superior flow rates, perfect for high-demand applications, delivering consistent and reliable performance.;
6-G1 1/4; Providing unparalleled performance, expertly crafted to excel in demanding environments and tackle challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary levels::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing system efficiency overall.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing custom solutions to seamlessly meet specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressure when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered;D/F - Step into the future of hydraulic precision with our cutting-edge, precision-engineered pressure limiting valve, specifically designed for secondary pressure applications (F50). Imbued with a meticulously defined pressure value, this engineering marvel is crafted to elevate advanced safety protocols, ensuring operational security and reliability reach unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component is the embodiment of adaptability, seamlessly fulfilling every hydraulic need. The /NF configuration allows systems without a pressure limiting valve, specifically designed for HLPSV, offering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to exceptional design, skillfully crafted to suit every possible application, ensuring you receive a product that is perfectly tailored to meet 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 expertly engineered intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless and effortless integration.
(9)Directional valve block inflow controller options: Choose from a rich selection: 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 crafted for precision and exceptional operational efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Attain peak operational 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 reliability.
(12) Secondary pressure limitation options: Choose from distinctive options: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, each measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your control 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 and exceptional control.
(14) Operation modes: Choose 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), a synergy 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 unparalleled versatility with our precisely engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is masterfully crafted for effortless adaptability and flawless integration into a wide array of diverse systems.
(16) End plate options: Immerse yourself in our carefully designed end plate solutions: E1 stands as your standard, featuring an external discharge of pilot oil and an external oil return control port T; E2, akin to E1, is enhanced with an additional port Y, offering increased flexibility; E3 showcases a sophisticated 2-position 3-way magnetic ball valve, capable of elevating system pressure to safety valve levels when activated.
E4, crafted in the likeness of E1, integrates an innovative internal discharge of pilot oil with a sealed port T; E5 mirrors E2's features while incorporating internal discharge for peak performance; E6 embodies the advanced design principles of E3, ensuring superior discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible offerings, including G12-12VDC, engineered for safety and tailored for specialization in the most demanding applications.G24-Select from our robust options: 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, continuously elevating standards in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a cutting-edge national high-tech enterprise. Our unmatched expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we are driven by our unwavering dedication to advancing technology and ensuring superior quality. This relentless commitment has solidified our position as leaders in our domain, shaping the future of hydraulic control systems.
Our flagship product, the Enhanced Safety Atex Valve, stands as a pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this adaptable component is essential for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic collaborations with numerous leading domestic manufacturers, significantly advancing 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 remain 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 across the globe.
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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