Presenting to you the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic innovation. These groundbreaking products revolutionize hydraulic control by effortlessly blending pressure, flow, and directional management into a single, elegant solution. This ingenious integration ensures unmatched excellence and dependability across diverse applications. Crafted with precision, each valve is comprised of three core functional modules: connecting blocks, directional valves, and end plates. These components are meticulously designed for seamless incorporation into top-of-the-line hydraulic systems, which are pivotal to high-caliber engineering machinery. They precisely orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering superior precision and control. Notable benefits include a compact design, exceptional energy efficiency, and the ability for stepless speed control. Moreover, these valves enable multiple actuators to function concurrently under varying loads, offering unparalleled performance and adaptability for any application.
HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring unwavering and dependable performance in every scenario. Conversely, HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they shine with their exceptional energy-saving capabilities, making them the optimal choice for efficiency-critical applications. With their state-of-the-art engineering and energy-efficient architecture, HLPSV valves distinguish themselves as the leading solution for advanced hydraulic control needs, providing the perfect fusion 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.;
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; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting 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 customized pressure control solutions for varied applications: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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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), set to a specified pressure value. It provides advanced safety measures that ensure secure and reliable operations, making it an essential component for cutting-edge hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. Furthermore, for those who prefer simplicity, the /NF option offers no pressure limiting valve, specifically crafted for HLPSV. This ensures optimal pressure control across a wide range of scenarios, making it a crucial component for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet specific applications, ensuring a perfect match for your precise requirements and delivering unmatched performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Includes ancillary blocks or the innovative intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration and exceptional reliability in diverse applications.
(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, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each crafted to ensure precision and heightened efficiency.
(10) Valve core function symbols: Discover a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy unique and specialized functional needs.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for optimal performance and reliability in demanding environments.
(12) Secondary pressure limitation options: Select from robust options: 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, designed to ensure comprehensive system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Tailor-made options include: 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 designed to deliver precise and consistent control.
(14) Operation modes: Explore a diverse range of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a seamless integration of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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, all engineered for comprehensive and reliable control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability and providing exceptional fit for varied hydraulic configurations.
(16) End plate options: Experience a spectrum of customized end plate selections that include: E1, standard, featuring an external discharge of pilot oil complemented by an external oil return control port T; E2, building upon E1, enhanced with an additional port Y for multifaceted applications; E3, integrating a 2-position 3-way magnetic ball valve, masterfully elevating system pressure to safety valve standards during power supply, ensuring seamless and reliable operation.
E4, echoing the features of E1 yet refined with internal discharge of pilot oil, sealing port T for a compact and efficient design; E5, an evolution of E2, offering the advantage of internal discharge; E6, reflecting the attributes of E3, each meticulously designed to guarantee advanced discharge control with precision and sophistication.
(17) Control voltage and the length of anti-explosion type cable options: Explore our array of options such as G12-12VDC, which assures unparalleled safety and compatibility tailored for specialized applications 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 taken the hydraulic industry by storm, illuminating it with groundbreaking innovations and unmatched 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 is deeply rooted in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as trailblazers in our field.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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 rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence on the world stage.
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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