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 - A fundamental component for achieving consistent and unwavering performance, ensuring seamless and efficient operations.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, offering unmatched versatility to address a broad spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - A fusion of precision and reliability, guaranteeing trustworthy and efficient operations::
2-G3/8; Engineered for compact efficiency, facilitating streamlined and seamless operational workflows.
3-G1/2; Constructed for strength and dependability, laying a robust foundation for your system's success.;
4-G3/4; Providing advanced connectivity, delivering superior control with enhanced system integration capabilities.;
5, 55-G1; Perfect for high-demand applications, offering a superior flow rate to maintain consistent performance.;
6-G1 1/4; Designed to provide unmatched performance, excelling in challenging environments and overcoming obstacles.;
(3) Additional Components and Specifications - Elevating the capabilities of your lifting system to unprecedented heights::
C,Standard Type - A dependable and trustworthy foundation, designed to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Precision control that enhances overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management ensures superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailor-made pressure control solutions crafted for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency while boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered;D/F - Comes with a pressure limiting valve for secondary pressure (F50), featuring a specified pressure value. This cutting-edge component is engineered to enhance operational safety, delivering advanced security measures for smooth and reliable functioning.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component exemplifies versatility and precision. For those who value simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure management across diverse scenarios, making it an essential asset 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 intricately designed to accommodate every application, ensuring you receive products that perfectly align with your specific needs.
(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, designed for impeccable integration.
(9)Directional valve block inflow controller options: Select from: 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 unmatched precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet unique functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored for optimal performance.
(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, each measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Customizable 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, all designed for precise control.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and integration.
(16) End Plate Options: Customize your hydraulic system with our tailored end plate choices, meticulously designed for optimal performance. Choose from: E1, our standard option featuring an external discharge of pilot oil and a dedicated external oil return control port T. E2 follows E1 but includes an additional port Y for enhanced functionality. E3 features a 2-position 3-way magnetic ball valve, ensuring system pressure boosts to safety valve levels when powered, providing elevated performance and reliability.
E4: Designed as E1, this option offers internal discharge of pilot oil, while efficiently sealing port T. E5 mirrors E2, integrating internal discharge for seamless operations. E6 aligns with E3, guaranteeing sophisticated discharge control, each variant fine-tuned to meet specialized hydraulic needs.
(17) Control Voltage and Anti-Explosion Cable Options: Ensure safety and compatibility with applications demanding precision. Opt from an array of choices like G12-12VDC, delivering dependable performance in specialized settings, safeguarding your operations.G24: A versatile option for standard applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Explore our range of cables designed for maximum durability and performance under varied conditions.12: A compact choice for specific applications requiring precise electrical specifications.bb621436
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 proportional valve, 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 generally about one month post-payment. Within this timeframe, we meticulously plan and enforce rigorous quality control protocols to ensure every product delivered is flawless. Your utmost satisfaction with our pristine delivery service remains our highest commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer a remarkably low minimum order quantity, empowering you to order even a single unit for sample verification. This flexibility allows you to embark on your projects smoothly, ensuring that your specific needs are met without any inconvenience.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by providing us with your comprehensive requirements or applications. We will then prepare a tailored quote aligned with your specifications or our expert guidance. Once the drawings are confirmed and a deposit is made, we proceed with the order and commence production. Rest assured, every detail is meticulously followed, providing you with a flawless and bespoke solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is executed perfectly for a seamless and personalized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is definitely feasible. Kindly inform us formally before the start of production, and confirm the design based on the sample provided. This guarantees that your branding is displayed with the highest precision and quality, perfectly representing your identity.
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