Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the zenith of hydraulic innovation, artfully blending pressure, flow, and directional control into a unified, harmonious masterpiece. This integration assures extraordinary performance and steadfast reliability across diverse applications. Typically comprised of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are intricately designed for incorporation into elite hydraulic systems, indispensable for premium engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key features include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to function concurrently under varying loads, providing unmatched performance and versatility for any application.
The HLPSL valves are exquisitely tailored for constant displacement pump systems, ensuring unwavering and reliable operation in every environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may demonstrate a marginally slower response time, they are superior in offering outstanding energy-saving performance, making them the optimal choice for applications where efficiency is of utmost importance. With their pioneering engineering and energy-efficient design, HLPSV valves are distinguished as the premier solution for sophisticated hydraulic control requirements, delivering a flawless combination 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, providing seamless support to your hydraulic systems.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs, effortlessly adjusting to operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations, crafted for enduring performance::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, perfect for space-constrained environments.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system, ensuring stability under varying conditions.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration, elevating your operational infrastructure.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance and reliability in critical tasks.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges, assuring peak efficiency.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights, surpassing standard expectations::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs, forming a steadfast core for your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency, promoting optimal hydraulic performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, maintaining system balance.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, providing flexibility at your fingertips: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, enhancing system responsiveness.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control, engineered for precision handling: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; providing comprehensive control over your hydraulic operations.D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50) that features a pre-set pressure value. This remarkable addition ensures groundbreaking safety measures that diligently safeguard your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: An epitome of versatility, this component boasts adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For enthusiasts of simplicity, /NF signifies the absence of a pressure limiting valve, exclusively crafted for HLPSV. This feature guarantees unparalleled pressure control across a multitude of scenarios, rendering it an essential element 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 designed to perfectly fit every application, ensuring you receive a product that meets your exact specifications.
(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 a diverse range: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 meticulously engineered to ensure 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 carefully crafted to meet unique functional requirements with unparalleled precision.
(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, expertly tailored for optimal performance.
(12) Secondary pressure limitation options: Choose among: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all rigorously measured in bar to ensure robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable selections 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 crafted for precise control.
(14) Operation modes: A diverse array of operation modes is available: 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 an extended 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 designed for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, ingeniously engineered for seamless adaptability across applications.
(16) End plate options: Discover an array of meticulously tailored end plate options designed to elevate your system's performance: E1, the standard choice, offers external discharge of pilot oil and an external oil return control port T. E2 enhances E1's features with an additional port Y for increased versatility. E3 incorporates a 2-position 3-way magnetic ball valve, expertly elevating system pressure to the levels of a safety valve during power supply, ensuring optimal functionality and security.
E4, echoing the robust features of E1, provides internal discharge of pilot oil, with sealing at port T, for precise and reliable operation. E5 parallels E2, featuring internal discharge for enhanced efficiency. E6 mirrors E3, with each configuration meticulously engineered to ensure sophisticated and reliable discharge control, catering to the most demanding operational requirements.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a spectrum of options like G12-12VDC, offering unparalleled safety and compatibility with specialized applications, ensuring seamless integration and peace of mind.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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