Introducing our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, an epitome of hydraulic excellence. These groundbreaking engineering marvels integrate pressure, flow, and directional control into one harmonious entity, ensuring unmatched performance and reliability for every application. Crafted with precision, they consist of three critical modules: connecting blocks, directional valves, and end plates, ideal for high-end hydraulic systems in elite engineering machinery. Experience superior control over hydraulic cylinders, motors, and actuators with unmatched precision. Notable features include a compact design, exceptional energy efficiency, and stepless speed control capability. Moreover, these valves empower multiple actuators to operate concurrently under diverse loads, providing unparalleled performance and versatility across applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and dependable operation in every condition. Conversely, the HLPSV valves are engineered with excellence for variable pump systems. Although they may exhibit a marginally slower response time, HLPSV valves are unmatched in energy-saving performance, making them the quintessential choice for efficiency-focused applications. With state-of-the-art engineering and energy-efficient design, the HLPSV valves emerge as the premier solution for advanced hydraulic control, offering a perfect 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(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.
(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;D/F - This component comes equipped with a pressure limiting valve for secondary pressure (F50), featuring a specified pressure value, delivering advanced safety measures that ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve within Connection Block: This remarkable feature offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. It epitomizes versatility and precision, catering to diverse needs. For simplicity, /NF signifies the absence of a pressure limiting valve, specifically crafted for HLPSV. This ensures optimal pressure control across varied scenarios, making it an indispensable component for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to every application, ensuring you receive a product that fulfills your precise requirements with perfection.
(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, meticulously crafted for seamless integration and flawless performance.
(9)Directional valve block inflow controller options: Choose from an array of options: 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 precision and unparalleled efficiency.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet unique functional requirements with utmost precision and reliability.
(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, precisely tailored for optimal performance in every application.
(12) Secondary pressure limitation options: Select from: 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 meticulously designed for precise control and flexibility.
(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 harmonious 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, each crafted for comprehensive and versatile control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability and integration with your systems.
(16) End plate options: Discover the meticulously crafted end plate choices designed to meet diverse needs. Choose from: E1, the standard option, offers an efficient external discharge of pilot oil and an external oil return control port T. E2, similar to E1, features an additional port Y for enhanced functionality. E3 incorporates a 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels during power supply, ensuring unmatched performance and safety.
E4, resembling E1, provides an internal discharge of pilot oil with a sealing port T. E5 mirrors E2 but enhances with internal discharge capabilities. E6, akin to E3, is designed for precise and sophisticated discharge control, offering the perfect solution for intricate systems.
(17) Control voltage and anti-explosion cable length options: Choose effortlessly from a range of configurations such as G12-12VDC, providing unmatched safety and compatibility for niche, specialized applications, ensuring you never compromise on reliability.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.
Inquiry:1. What about the lead time?
Response:The typical production lead time is approximately one month after payment is received. Within this timeframe, we meticulously prepare and enforce rigorous quality control protocols to guarantee each product arrives in pristine condition. Ensuring your satisfaction with our flawless delivery is our utmost commitment.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We offer a remarkably low minimum order quantity, granting you the flexibility to order even a single unit for sample verification. This flexibility empowers you to initiate your projects effortlessly, precisely aligning with your specific requirements without any inconvenience.
Inquiry:3. How to proceed with an order for LED lights?
Response: Begin by communicating your detailed requirements or intended applications to us. We will customize a quote just for you, either based on your specifications or with expert guidance. Once you approve the drawings and place a deposit, we will confirm the order and start production. We ensure precise adherence to every specification, offering a seamless and personalized solution tailored to your needs.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.
Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this is entirely feasible. Please inform us formally before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with the utmost precision and quality, perfectly encapsulating your distinct identity.
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