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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently. This dependable component is crafted to maintain flawless functionality and operational excellence, providing stability and reliability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs. With this pump, expect seamless transitions and optimal performance tailored to your system's specific demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations: Our ports are engineered for meticulous accuracy and robust functionality, guaranteeing smooth and dependable performance across all applications.:
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows. Ideal for those seeking efficient and space-saving solutions without compromising on performance.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. Experience unwavering reliability and enhanced system integrity with this vital component.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. Perfect for those requiring top-tier connectivity and seamless integration in complex systems.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. Experience exceptional efficiency and reliability even under the most demanding conditions.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. This port stands out for its robust engineering and capability to handle strenuous tasks effortlessly.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights: Elevate your system's performance with our enhanced component offerings, ensuring superior operation and innovative functionality.:
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs. This standard component provides the foundational strength you require, ensuring reliability and consistency.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. Achieve perfect control and optimized efficiency with this highly precise valve.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. This valve enhances performance, ensuring smooth flow management and consistent reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications: Tailor your pressure requirements with precision, choosing from our tailored options that perfectly align with your operational demands.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly. Choose the option that best suits your needs and experience unmatched system efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: Revolutionize your system's unloading process with our advanced magnetic ball valve solutions, ensuring optimal control and enhanced efficiency.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; Opt for the configuration that matches your specific system requirements and enhance your control capabilities.D/F - This advanced model comes equipped with a cutting-edge pressure limiting valve designed for secondary pressure (F50), featuring a precise specified pressure value. It is engineered to provide state-of-the-art safety measures, securing operations with unmatched efficiency.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers adjustable settings at seven distinctive levels: 63, 120, 210, 280, 315, 350, and 400 bar. It truly epitomizes versatility and precision, catering to every nuanced need. In keeping with simplicity for specific applications, /NF indicates the absence of a pressure limiting valve, tailor-made for HLPSV. This feature is vital for ensuring optimal pressure regulation across a spectrum of scenarios, rendering it indispensable for your hydraulic solutions.
(7) Product Series Classification - Embrace the Zenith of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail, ensuring it aligns perfectly with every application, thereby guaranteeing you a product that matches your precise specifications.
(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, all crafted for seamless integration into your system.
(9)Directional valve block inflow controller options: Select from our array of precision controllers: 1, without inflow controller for basic needs; 2, standard inflow controller for regular operations; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller for enhanced robustness; 8, pre-selectable options, each designed to ensure utmost precision and efficiency in fluid dynamics.
(10) Valve core function symbols: Delve into a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill unique functional requirements, tailored to your system's demands.
(11) Output flow code for ports A & B: Amplify efficiency with a spectrum of maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for optimal performance, ensuring your system operates at its peak potential.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection for basic setups; C, simultaneous pressure limitation of actuator ports A & B for synchronized control; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring comprehensive system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customizable options include: N, without function ON/OFF or pressure outlet for simplicity; X, C type pressure limitation for crucial control; S/S1, AB type pressure limitation for enhanced safety; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each option crafted for precision control tailored to your needs.
(14) Operation modes: Discover diverse operation modes: A(1,2), manual operation with optional long or short handle for flexible control; E, electric proportional control for precise adjustments; EA(1,2), a blend of electric proportional control and manual operation for versatility; D, electric switching value control for rapid response; DA(1,2), combined electric switching value control and manual operation for robust reliability; M, manual friction positioning with long handle for steady control; H, pure hydraulic control aligning pilot oil ports with oil ports A and B for seamless integration; F, pure hydraulic control with perpendicular pilot oil ports, engineered for comprehensive control across applications.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability, ensuring a fit for every unique requirement your system might have.
(16) End plate options: Explore an array of meticulously crafted end plate choices, customized to your needs. Choose from E1 for a standard experience with external pilot oil discharge and an external oil return control port T. Opt for E2, which mirrors E1 but adds an extra port Y to enhance versatility. For those seeking an advanced solution, E3 features a 2-position 3-way magnetic ball valve, significantly boosting system pressure to align with safety valve levels during power supply, ensuring optimal performance and safety.
E4 offers a design akin to E1, however, it boasts an internal discharge of pilot oil, with a sealing port T for a more secure operation. E5, resembling E2, also features internal discharge, adding a layer of sophistication. E6 follows in the footsteps of E3, providing each system with enhanced discharge control, thus ensuring enhanced reliability and user confidence.
(17) Control voltage and anti-explosion type cable options: Choose from our tailored options like G12-12VDC, crafted to guarantee safety and seamless integration with specialized applications. Each choice ensures compatibility and peace of mind in demanding environments.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 Load Sensitive Technology Valve for Enhanced Safety Control Systems, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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, 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 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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