Unveiling our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic engineering excellence. These innovations seamlessly merge pressure, flow, and directional controls into a cohesive masterpiece, ensuring unparalleled performance and unwavering reliability for all applications. Crafted with the highest precision, these valves comprise three pivotal modules: connecting blocks, directional valves, and end plates, each meticulously designed for seamless integration into elite hydraulic systems pivotal to advanced engineering machinery. These valves precisely orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Standout features include a compact design, stellar energy efficiency, and the capacity for smooth, stepless speed control. Additionally, they enable multiple actuators to function concurrently under varying loads, offering unmatched performance and versatility for any application.
The HLPSL valves are ingeniously tailored for constant displacement pump systems, ensuring steadfast reliability in all situations. Conversely, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may have a marginally slower response time, their exceptional energy-saving capabilities render them the optimal choice for applications prioritizing supreme efficiency. Through their advanced engineering and energy-efficient architecture, HLPSV valves emerge as the foremost solution for sophisticated hydraulic control demands, delivering a flawless fusion of precision, dependability, 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 reliable and unwavering performance, ensuring your operations run smoothly and efficiently, embodying stability.;
HLPSV: Variable Displacement Pump - Exemplifying unmatched adaptability and flexibility, offering unparalleled versatility to meet a wide range of operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy and seamless operations with every connection::
2-G3/8; Ingeniously designed for compact efficiency, catering to streamlined and seamless operational flows effortlessly.
3-G1/2; Built for robustness and dependability, providing a solid and unwavering foundation for your system's success.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration for optimal performance.;
5, 55-G1; With a superior flow rate, this option is ideal for high-demand applications, ensuring consistent and reliable performance under pressure.;
6-G1 1/4; Providing unmatched performance, expertly designed to excel in the field and overcome challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, offering exceptional performance::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to meet your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and outstanding dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, perfectly aligning 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 seamlessly meet your specific operational needs with precision and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting advanced control measures: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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations with confidence and precision.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes versatility and precision. For those who value simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. This feature is engineered to ensure optimal pressure control in diverse scenarios, making it an indispensable 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 expertly tailored to cater to every application, ensuring you receive a product that perfectly 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 ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect 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: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet unique 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, tailored for optimal performance.
(12) Secondary pressure limitation options: Select between: 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 dependable system safety.
(13) Function ON/OFF and pressure outlet options: Customizable choices 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 strategically designed for precise control.
(14) Operation modes: Explore 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, all meticulously crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability.
(16) End plate options: Experience unmatched customization with our expertly tailored end plate choices. Choose from: E1 - the standard option, equipped with external discharge of pilot oil and an external oil return control port T; E2 - similar to E1 but enhanced with an additional port Y; E3 - featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels during power supply, maximizing safety and reliability.
E4 - offering the trusted features of E1 with an internal discharge of pilot oil and a sealed port T; E5 - similar to E2, but with the added benefit of internal discharge; E6 - mirroring E3's capabilities, each option guarantees sophisticated discharge control to meet the highest standards of operational excellence.
(17) Control voltage and the length of anti-explosion type cable options: Choose from an array of options such as G12-12VDC. Each ensures impeccable safety and seamless compatibility 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 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 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.
){kind=link}