Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel of hydraulic engineering. These innovative creations epitomize the zenith of hydraulic technology, seamlessly integrating pressure, flow, and directional control into a single, cohesive masterpiece. This guarantees extraordinary performance and reliability across a multitude of applications. Typically comprised of three indispensable functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for seamless integration into high-end hydraulic systems, essential for elite engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights of these valves include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Beyond these features, they empower multiple actuators to operate simultaneously under diverse loads, delivering unmatched performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every environment. Conversely, the HLPSV valves are expertly engineered for variable pump systems. While HLPSV valves may demonstrate a slightly slower response time, they excel in delivering remarkable energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control needs, offering an ideal 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 unwavering performance, ensuring your operations run smoothly and efficiently. Perfectly crafted to deliver consistency and reliability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs. A model of engineering excellence tailored for dynamic environments.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge, ensuring robust and trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows. Ideal for integration in space-conscious systems.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. Engineered to withstand the rigors of demanding applications.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. Perfect for elevating system capabilities.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. Crafted for excellence and reliability.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. Tailored for high-stakes environments where peak performance is a must.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs. Built to ensure consistent outcomes in diverse settings.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. The key to optimizing system performance through meticulous control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. Crafted to elevate system functionality with precision and reliability.;
(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, ensuring operational excellence and adaptability.
(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; Designed to deliver streamlined operations and enhanced system control, ensuring optimal performance.D/F - Comes with an innovative pressure limiting valve for secondary pressure (F50), featuring a precisely specified pressure value; Providing advanced safety measures to ensure secure operations and unmatched reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component is an epitome of versatility and precision, offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those preferring simplicity, /NF stands for no pressure limiting valve, specifically designed for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it absolutely indispensable for your hydraulic 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 suit every application, ensuring you receive a product that meets your exact specifications and exceeds your expectations.
(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, ingeniously crafted for seamless 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 ideal for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and maximizing 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 fulfill unique and critical functional requirements.
(11) Output flow code for ports A & B: Elevate efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored for optimal and superior performance.
(12) Secondary pressure limitation options: Choose 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 comprehensive 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, each designed for precision and exacting control.
(14) Operation modes: Discover 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 with alignment of pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless and robust adaptability.
(16) End plate options: Discover our tailored end plate selections, meticulously designed for your needs. Choose from: E1, the standard choice with external discharge of pilot oil and an external oil return control port T. Opt for E2, which mirrors E1 but adds a port Y for enhanced flexibility. Consider E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when power is supplied, ensuring superior control and safety.
Explore E4, which is similar to E1 but offers internal discharge of pilot oil with a sealing port T, or E5, echoing E2 but with internal discharge for streamlined operations. E6 replicates E3 in functionality, providing each with sophisticated discharge control to meet your system's demands.
(17) Control voltage and anti-explosion type cable length options: Choose from our range of voltage options like the reliable G12-12VDC, engineered for safety and compatibility with specialized applications. Ensure your operations are supported with the best in voltage adaptability.G24 - a dependable choice for various applications.-Embrace options such as 24VDC, G24Ex-3m-24VDC, G12Ex-3m-12VDC, and G24MA-3m-24VDC. Each offering is meticulously crafted to meet specific operational requirements, ensuring your system functions flawlessly under diverse conditions.12 - a versatile choice for your system's needs.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 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: Begin 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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