Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These cutting-edge engineering marvels epitomize the zenith of hydraulic innovation, flawlessly merging pressure, flow, and directional control into one cohesive masterpiece. This ensures unmatched performance and reliability in every application. Typically composed of three core functional modules - connecting blocks, directional valves, and end plates - these valves are expertly crafted for integration into elite hydraulic systems, indispensable for top-tier engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights encompass a compact architecture, superior energy efficiency, and seamless stepless speed control. In addition, they enable multiple actuators to operate simultaneously under varying loads, providing exceptional performance and versatility for any application. These valves embody the future of hydraulic control, transforming how engineering machinery operates with remarkable ease.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may demonstrate a marginally slower response time, they excel in delivering extraordinary energy-saving performance, making them the optimal choice for applications where efficiency is vital. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a flawless blend of precision, reliability, and efficiency. These valves represent the pinnacle of energy efficiency and control precision, making them the benchmark for innovation and performance in the hydraulic industry.
| 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 - Comes with 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: This versatile component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, embodying precision and adaptability. For those who appreciate straightforwardness, /NF denotes the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure management across a wide range of scenarios, making it an essential asset for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to accommodate every application, ensuring that your specific needs are met with precision.
(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, engineered 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 for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each offering unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct operational requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed for superior performance.
(12) Secondary pressure limitation options: Options include: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all delivered in bar, ensuring a robust system of safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with customizable choices: N, no 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 expertly designed for precision control.
(14) Operation modes: A variety of operation modes available: A(1,2), manual operation with either a long or short handle; E, electric proportional control; EA(1,2), combines electric proportional control with manual operation; D, electric switching value control; DA(1,2), integrates electric switching value control and manual operation; M, manual friction positioning with a 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, crafted for total control.
(15) Ancillary block port sizes: Select from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End Plate Options: Discover our tailored end plate collection, meticulously designed to enhance your system's functionality. Choose from: E1 - the standard option, featuring external discharge for pilot oil and an external oil return control port T. E2 - mirroring E1 but with an additional port Y for added versatility. E3 - equipped with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels during power supply, optimizing control and safety.
E4 - mirrors E1 but incorporates an innovative internal discharge of pilot oil, sealing port T for superior reliability. E5 - similar to E2, it also boasts internal discharge capabilities. E6 - akin to E3, each model ensures sophisticated discharge control, providing unparalleled performance and precision.
(17) Control Voltage and Anti-Explosion Type Cable Options: Equip your system with our diverse range of control voltage options, including G12-12VDC. These selections promise safety and compatibility, perfectly suited to specialized applications requiring robust and reliable performance.G24-24VDC; G24Ex-3m, offering 24VDC, ideal for environments demanding explosion-proof performance. 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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