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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(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.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped 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 demanding environments and tackle challenges effortlessly.;
(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.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled 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 tailored 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 - Equipped with a precision-engineered pressure limiting valve specifically designed for secondary pressure (F50) with a clearly defined pressure setting, this groundbreaking feature ensures advanced safety protocols are rigorously enforced, thereby significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This pivotal component exemplifies adaptability, expertly catering to a myriad of hydraulic requirements. For streamlined configurations, /NF denotes no pressure limiting valve, meticulously engineered for HLPSV, guaranteeing impeccable pressure management across a diverse range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a marvel, expertly crafted to meet every application, ensuring you receive a product that aligns seamlessly 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; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely crafted for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from a versatile range: 1, no inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, customizable pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with precision.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for outstanding performance and reliability.
(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 unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 optimal control and precision functionality.
(14) Operation modes: Choose from diverse operation modes: A(1,2), manual operation with 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Explore our wide range of adaptable options designed for seamless integration and performance: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is expertly crafted to meet your specific hydraulic system needs with precision and ease.
(16) End plate options: Unveil the exceptional diversity of our refined end plate solutions. E1, the quintessential standard option, boasts an external discharge of pilot oil paired with an external oil return control port T. E2 offers a design reminiscent of E1, yet enhanced with an additional port Y for increased functionality. E3 stands out with its 2-position 3-way magnetic ball valve, augmenting your system's pressure to robust safety valve levels upon activation.
E4, mirroring the framework of E1, ingeniously incorporates an internal discharge of pilot oil while maintaining a sealed port T. E5, akin to E2, also features an internal discharge, enhancing system efficiency. E6 emulates the sophistication of E3, ensuring each variant delivers superior discharge control and reliability.
(17) Control voltage and anti-explosion cable options: Select from an array of secure and compatible solutions such as G12-12VDC, crafted to provide safety and specialization in even the most demanding 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 unrivaled excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand proudly as a distinguished national high-tech enterprise. Our expertise encompasses the precise research, development, manufacturing, and sales of premium hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological advancement and superior quality. This relentless dedication propels us as leaders in our field.
Our flagship product, the Enhanced Safety Atex Valve, showcases the pinnacle of advanced load-sensitive proportional valve technology. Meticulously designed for construction machinery and heavy-duty equipment, this indispensable 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 partnerships with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven 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 delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, establishing 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 critical timeframe, we engage in meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Our unwavering commitment to excellence guarantees your utmost satisfaction with every flawless delivery.
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 unprecedented convenience of ordering as little as a single piece for sample verification. This invaluable flexibility enables you to initiate your projects with the highest level of ease and precision, effortlessly accommodating your exclusive requirements and unique demands.
Question:3. How to proceed with an order for LED lights?
Answer: To embark on your purchasing journey, simply communicate your detailed requirements or intended applications to us. Our expert team will then craft a bespoke quote tailored 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 seamlessly and initiate production with precision. We promise adherence to every specification, ensuring a seamless and bespoke solution customized 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 unique identity and vision.
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