Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, an extraordinary leap in hydraulic engineering. These revolutionary creations epitomize hydraulic innovation by seamlessly incorporating pressure, flow, and directional control into one cohesive masterpiece. This guarantees unparalleled performance and unfaltering reliability across all applications. Typically composed 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, forming the backbone of premium engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering exceptional control with unmatched precision. Key highlights of these valves include a compact, efficient structure, outstanding energy efficiency, and the remarkable capability for stepless speed control. Beyond these features, they enable multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and adaptability for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation across diverse settings. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering remarkable energy-saving performance, establishing them as the ultimate choice for applications where efficiency and sustainability are paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an impeccable blend of precision, reliability, and proficient energy management.
| 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, providing the reliability you need for consistent outcomes.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs, tailored to cater to every possible demand.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations, crafted for optimal performance::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, enhancing the control and management of processes.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system, ensuring longevity and durability.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration, designed for sophisticated needs.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance and efficiency even under pressure.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges, offering robust and reliable operation.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights, setting new standards in efficiency and innovation::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs, ensuring your systems are primed for success.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency, maximizing output and efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, ensuring smooth and efficient processes.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, tailored to meet your distinct requirements: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 that every demand is met with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control, redefining operational excellence: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 for dynamic adaptability.D/F - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations, protecting your system with innovative solutions.
(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 exemplifies the epitome of versatility and precision. For those preferring simplicity, /NF stands for no pressure limiting valve, specifically designed for HLPSV systems. This feature ensures optimal pressure control across varied scenarios, making it an indispensable component for your sophisticated hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to suit every application, ensuring that you receive a product crafted to align with your precise 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, masterfully crafted for seamless 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, perfect 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: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill distinct functional requirements with excellence.
(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, tailored for optimal system 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 system safety and reliability.
(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 control and enhanced operation.
(14) Operation modes: 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, meticulously crafted for comprehensive control and superior performance.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and unmatched compatibility with your existing systems.
(16) End plate options: Discover our custom end plate selections designed to meet your specific needs: E1, our standard, features external discharge of pilot oil and an external oil return control port T; E2, similar to E1, includes an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, elevates the system pressure to match safety valve levels during a power supply, ensuring maximum efficiency and reliability.
E4, comparable to E1, offers internal discharge of pilot oil and seals port T; E5, mirroring E2, provides internal discharge; E6, paralleling E3, each option guarantees advanced and precise discharge control, catering to diverse operational needs.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our carefully curated options such as G12-12VDC, assuring unparalleled safety and seamless compatibility with specialized applications, tailored to your industry's rigorous requirements.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.
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