Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations sit at the zenith of hydraulic innovation, seamlessly melding pressure, flow, and directional control into one cohesive, harmonious masterpiece. This integration guarantees unmatched performance and unwavering reliability across a spectrum of applications. Typically composed of three quintessential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into high-end hydraulic systems, serving as the lynchpin for elite engineering machinery. They are designed to expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control that is second to none. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Despite the HLPSV valves exhibiting a slightly slower response time, they excel in providing extraordinary energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their pioneering engineering and energy-efficient design, HLPSV valves stand out as the foremost solution for advanced hydraulic control requirements, offering a seamless 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. It locks in stability, offering unparalleled dependability in various scenarios.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. It's engineered to adapt seamlessly, offering unrivaled versatility for dynamic applications.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. It offers a perfect blend of efficiency and compactness.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Its construction ensures durability and support for critical operations.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings optimal control and exceptional integration to your setup.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Its high capacity sustains demanding tasks with unwavering reliability.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Its superior design conquers challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. It forms the bedrock of dependable operations through thoughtful engineering.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. It sharpens control and amplifies system efficiency through precise modulation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. It optimizes flow, ensuring peak performance and unmatched reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse 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. Each option is crafted to deliver precision tailored to your needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing 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; Each variant is engineered to deliver precise control and efficiency tailored to your operation's needs.D/F - Discover the pinnacle of innovation with this precision-engineered pressure limiting valve for secondary pressure (F50), defined by its meticulously set pressure value. This engineering marvel is crafted to elevate safety measures, optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, seamlessly meeting every hydraulic need. With the /NF configuration, explore systems without a pressure limiting valve, purposefully crafted for HLPSV, delivering exceptional 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 a masterclass in design, uniquely crafted to cater to every application, ensuring you receive a product perfectly tailored 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, expertly engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from an impressive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller suitable for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options that provide precision and exceptional efficiency.
(10) Valve core function symbols: Explore a broad spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands.
(11) Output flow code for ports A & B: Reach peak 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 reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, safeguarding system safety without compromise.
(13) Function ON/OFF and pressure outlet options: Customize your system 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: Choose from a diversity 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unmatched versatility with our masterfully crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is designed for effortless adaptability and perfect integration into a wide range of systems, ensuring reliability and performance.
(16) End plate options: Delve into our expertly designed end plate solutions: E1 stands as your standard choice, providing an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1's design but is enhanced with an additional port Y for increased flexibility. E3 stands out with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels upon activation, ensuring optimal safety and efficiency.
E4, similar in design to E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T, optimizing functionality. E5 takes inspiration from E2, providing internal discharge for enhanced performance. E6 echoes the refined design of E3, delivering sophisticated discharge control across all variants, meeting the highest standards of engineering excellence.
(17) Control voltage and anti-explosion cable options: Choose from our secure and precisely engineered range, such as G12-12VDC, specifically crafted for safety and tailored specialization in the most demanding applications, ensuring reliability and peace of mind.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 excellence within the hydraulic industry. As a prominent subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unmatched expertise spans the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless commitment clearly positions us as the vanguard leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Masterfully 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, significantly contributing to the localization of 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 mission to provide unparalleled products, services, and solutions. Our vision is to rise 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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