Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in hydraulic engineering. These state-of-the-art creations are the epitome of innovation, flawlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This integration guarantees superb performance and unwavering reliability across all applications. Typically composed of three essential modules - connecting blocks, directional valves, and end plates - these valves are crafted with meticulous precision for inclusion in high-end hydraulic systems, vital for top-tier engineering machinery. They precisely orchestrate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, ensuring unmatched accuracy and control. Key features include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in every environment. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may demonstrate a marginally slower response time, they excel in delivering superior energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, offering a perfect blend of precision, reliability, and unmatched 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Crafted for compact efficiency, designed to streamline and seamlessly facilitate operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid foundation for your system's unwavering performance.;
4-G3/4; Offering advanced connectivity solutions, delivering superior control and enhancing system integration.;
5, 55-G1; With an exceptional flow rate, this option is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unmatched performance excellence, designed to conquer challenges and excel in the field.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing 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 sophisticated pressure limiting valve for secondary pressure (F50) that includes a predetermined pressure value, this feature exemplifies cutting-edge safety measures, dedicated to securing mining operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Gracefully offering adjustable settings at crucial bar levels of 63, 120, 210, 280, 315, 350, and 400, this component represents the epitome of versatility and precision. For those who value simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. This feature ensures optimal pressure control across a spectrum of scenarios, making it an indispensable asset for your hydraulic system needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to perfectly cater to every application, ensuring that you receive a product tailored to meet your precise requirements, no matter the complexity.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless and harmonious integration.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct and unique functional requirements.
(11) Output flow code for ports A & B: Maximize operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, precisely tailored for optimal performance.
(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 robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Customize with options including: 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 precision and exacting control.
(14) Operation modes: Experience diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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 robust control.
(15) Ancillary block port sizes: Choose from versatile and adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, specifically engineered for seamless adaptability and integration.
(16) End plate options: Discover our customized end plate selections designed for your needs: E1, our standard model, features an external discharge of pilot oil and an external oil return control port T. E2, similar to E1, includes an additional port Y. E3 comes equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels when the power supply is active.
E4 offers functionality similar to E1 but provides an internal discharge of pilot oil and seals port T. E5 mirrors the features of E2 but with internal discharge capabilities. E6, akin to E3, guarantees sophisticated discharge control for optimal performance.
(17) Control voltage and anti-explosion type cable length options: Choose from a range of safe and specialized options like G12-12VDC, ensuring compatibility with your unique application requirements.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 quality in the hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we take pride in being a national high-tech enterprise. Our expertise is showcased through our dedicated research, meticulous development, high-precision manufacturing, and strategic sales of elite hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to technological progress and superior quality, positioning ourselves as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of hydraulic system control technology. This expertly designed component is essential for high-stakes applications in construction machinery and heavy-duty equipment, including emergency rescue, tunnel engineering, mining, and municipal service vehicles. We proudly collaborate with leading domestic manufacturers, contributing significantly to 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 are dedicated to delivering exceptional products, services, and solutions. Our mission is to establish ourselves as a globally trusted provider of premier hydraulic components, setting new standards of excellence across the world.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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