Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations define the apex of hydraulic innovation, effortlessly combining pressure, flow, and directional control into a single, harmonious masterpiece. This fusion guarantees unmatched performance and reliability in every application. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for seamless integration into high-end hydraulic systems, vital for premier engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to perform concurrently under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast reliability in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, establishing them as the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, offering an impeccable 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, masterfully crafted to deliver unwavering performance, ensuring a seamless and efficient operational flow throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and adaptability, providing exceptional versatility to meet a broad spectrum of operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability unite to create a dependable operational framework::
2-G3/8; Skillfully designed for compact proficiency, supporting a streamlined and seamless operational flow with finesse.
3-G1/2; Engineered for strength and reliability, providing a robust foundation for your system's enduring integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with advanced flow rates, perfectly suited for high-demand applications, guaranteeing consistent and reliable performance.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in the most challenging environments and tackle obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to fulfill essential operational requirements effortlessly.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing the overall efficiency of your system with meticulous accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unrivaled performance and dependability.;
(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 customized solutions to seamlessly meet your specific operational demands.
(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;D/F - Introducing a groundbreaking marvel in engineering, this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50) is set to redefine safety standards. It is specifically designed with a meticulously defined pressure value, enhancing operational security and reliability to unprecedented levels. Experience advanced safety measures like never before with this phenomenal innovation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings across a spectrum of bar levels: 63, 120, 210, 280, 315, 350, and 400. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, benefit from systems without a pressure limiting valve, each meticulously crafted for HLPSV, offering unmatched 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 stands as a masterclass of design, expertly tailored to suit every application, ensuring you receive a product that aligns perfectly with your specific requirements.
(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, each masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Opt for an array of choices: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency tailored for your specific needs.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requisites 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 for 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 meticulously 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 impeccable functionality.
(14) Operation modes: Choose from a wide variety of operation modes: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), a harmonious 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 aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Dive into the world of unparalleled versatility with our meticulously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is crafted to ensure seamless adaptability and perfect integration into a variety of hydraulic systems, providing an exceptional user experience.
(16) End plate options: Discover our precisely crafted end plate solutions: E1, the standard choice, offers external pilot oil discharge and external oil return control port T; E2, similar to E1, is enhanced by an additional port Y for greater flexibility; E3, with a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels for enhanced operational security.
E4, designed similarly to E1, features an internal discharge of pilot oil with a sealed port T for enhanced performance; E5 mirrors E2's features, offering internal discharge for superior efficiency; E6, a sophisticated variant of E3, ensures advanced discharge control, showcasing our commitment to innovative system design.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including G12-12VDC, specifically designed for safety and reliability in the most demanding hydraulic 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 stood as a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our position as a national high-tech enterprise is proudly upheld. Our unparalleled expertise in the meticulous research, pioneering development, precision manufacturing, and strategic sales of premium hydraulic components solidifies our unmatched status. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we reinforce our unwavering dedication to technological advancement and superior quality. This relentless dedication distinctly positions us as undisputed leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control technology. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is crucial for high-stakes applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of 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 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 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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