Step into the future with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels exemplify the zenith of hydraulic technology, flawlessly merging pressure, flow, and directional control into a unified, harmonious entity. This ensures remarkable performance and steadfast reliability across every application. Crafted with precision, these valves consist of three fundamental modules: connecting blocks, directional valves, and end plates, designed for integration into premium hydraulic systems vital for high-caliber engineering machinery. They articulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring immaculate precision and control. Key features include a compact design, outstanding energy efficiency, and stepless speed control capacity. Furthermore, they enable multiple actuators to function concurrently under varying loads, providing unparalleled performance and adaptability for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, guaranteeing unwavering and dependable performance in every environment. Conversely, the HLPSV valves are expertly designed for variable pump systems. While they may offer a slightly slower response time, the HLPSV valves excel in delivering superior energy-saving performance, making them the ultimate option for scenarios where efficiency is paramount. With their avant-garde engineering and energy-efficient design, HLPSV valves emerge as the foremost solution for sophisticated hydraulic control demands, offering an impeccable 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 seamless and efficient operations.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump meets diverse operational demands with exceptional flexibility.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to ensure dependable operations::
2-G3/8; Expertly crafted for compact efficiency, facilitating smooth and streamlined operational flows.
3-G1/2; Engineered for robustness and reliability, offering a firm foundation for your system's needs.;
4-G3/4; Advanced connectivity for superior control and enhanced system synchronization.;
5, 55-G1; Featuring an impressive flow rate, ideal for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Unmatched performance designed to excel and conquer challenges on the field.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable, trustworthy baseline tailored to your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall system's efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes it when unpowered;D/F - Includes a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the flexibility and precision of adjustable settings offering 63, 120, 210, 280, 315, 350, and 400 bar levels. This feature epitomizes versatility by ensuring optimal pressure control in diverse scenarios. For those who value simplicity, the /NF stands for no pressure limiting valve, specifically designed for HLPSV, making it a vital component for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is artfully crafted to meet specific application needs, ensuring you get a product that aligns perfectly 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; with options for ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for a seamless fit.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each guaranteeing precision and enhanced efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to address unique functional demands.
(11) Output flow code for ports A & B: Enhance system efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, providing ideal performance.
(12) Secondary pressure limitation options: Options include: 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.
(13) Function ON/OFF and pressure outlet options: Choose from customizable options: 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, designed for precision control.
(14) Operation modes: A spectrum of operation modes is available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a perfect blend of electric proportional control with manual operation; D, electric switching value control; DA(1,2), combined electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Discover our personalized end plate selections, including: E1, a standard option featuring an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1 but enhanced with an additional port Y; E3, equipped with a dynamic 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve thresholds during power supply activation.
E4, resembling E1, incorporates internal discharge of pilot oil with a sealing port T; E5, paralleling E2, includes internal discharge features; E6, aligning with E3, each meticulously crafted to ensure expert discharge control.
(17) Control voltage and anti-explosion cable length options: Choose from our versatile options like G12-12VDC, engineered to guarantee safety and integration with 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 careful preparation and implement stringent quality control measures to ensure every product reaches you in pristine condition. Your satisfaction with our punctual delivery is our top priority.
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Answer: We offer an impressively low minimum order quantity, giving you the flexibility to order even a single piece for sample verification. This adaptability allows you to start your projects with ease and precision, meeting your unique requirements without hassle.
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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, providing 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.
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