Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. Designed with meticulous attention to detail, these valves ensure unparalleled performance and reliability in every application they are employed in. Composed of three essential functional modules - connecting blocks, directional valves, and end plates - they are crafted for seamless integration into high-end hydraulic systems, which are crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights of these engineering marvels include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond these features, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, 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 distinguish themselves 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, meticulously engineered to support streamlined, seamless operational flows and heighten productivity.
3-G1/2; Engineered for robustness and reliability, offering a solid base that assures your system's integrity and durability.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with superior flow rates, this is ideal for high-demand applications, ensuring consistent and reliable performance under pressure.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and effortlessly tackle challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet and exceed essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, ensuring 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 every specific operational demand.
(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 - This state-of-the-art pressure limiting valve, engineered with precision for secondary pressure (F50) with a specific pressure value, is an innovative feature that guarantees superior safety protocols, enhancing both operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the potential of versatility and unparalleled precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a beacon of adaptability, addressing all hydraulic requisites. For seamless configurations, /NF designates the absence of a pressure limiting valve, expertly crafted for HLPSV, ensuring impeccable pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Perfection:;-2 2 Series; -3 3 Series; -5 5 Series; Each series epitomizes excellence, meticulously engineered to suit every application, guaranteeing a product that seamlessly aligns 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, designed with precision for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, an 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 delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to satisfy specific functional requirements.
(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 engineered for superior performance and reliability.
(12) Secondary pressure limitation options: Select 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 crafted for precise control and 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 synthesis 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: Indulge in our versatile selection of port sizes, meticulously crafted for flawless compatibility and seamless installation: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is ingeniously designed to provide maximum adaptability and integration.
(16) End plate options: Explore our sophisticated range of end plate solutions, each meticulously refined to meet your specific needs: E1, our standard offering, boasts an external discharge of pilot oil paired with an external oil return control port T. E2, closely resembling E1, is enhanced with an additional port Y for added convenience. E3 elevates system functionality with a 2-position 3-way magnetic ball valve, taking your system's pressure to safety valve levels when powered.
E4, similar in design to E1, offers an innovative approach by integrating an internal discharge of pilot oil with a sealed port T, ensuring superior performance. E5, mirroring E2, also features an internal discharge, while E6 echoes the sophistication of E3, each variant meticulously engineered for advanced discharge control and optimal performance.
(17) Control voltage and anti-explosion cable options: Select from our array of secure and compatible voltage options like G12-12VDC, crafted for optimal safety and tailored to meet the demands of specialized 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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the Proportional Valve Technology for Enhanced Safety in Truck Equipment, represents the pinnacle of advanced hydraulic control systems. This load-sensitive proportional valve is expertly engineered to meet the rigorous demands of construction machinery and heavy-duty equipment. It's an indispensable component for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, playing a pivotal role in localizing 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 resolute 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 worldwide.
Question:1. What about the lead time?
Answer:The typical lead time for production is approximately one month after receiving payment. Within this period, we meticulously prepare and uphold rigorous quality controls, ensuring that each product reaches you in impeccable condition. Our unwavering commitment is to achieve your utmost satisfaction with a flawless delivery experience.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly enable a remarkably low minimum order quantity, allowing you the convenience of ordering as little as one piece for sample verification. This flexibility means you can start your projects with ease, tailored precisely to your unique requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate by relaying your detailed requirements or intended applications to us. We'll craft a tailored quote specifically for you, either based on your unique needs or our expert advice. After finalizing the drawings and placing a deposit, we will formalize the order and commence production, promising precision adherence to every specification for a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is perfectly executed for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, it is entirely feasible. Kindly notify us before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with unparalleled precision, capturing your identity flawlessly.
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