Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Embodying the zenith of hydraulic innovation, these engineering marvels seamlessly integrate pressure, flow, and directional control into a singular, harmonious masterpiece, guaranteeing unmatched performance and reliability across diverse applications. Typically crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these valves are designed with precision for integration into high-end hydraulic systems, which are indispensable for top-tier engineering machinery. They deftly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring supreme precision and control. Key highlights include a compact structure, exceptional energy efficiency, and capability for stepless speed control. Furthermore, these valves empower multiple actuators to function concurrently under varying loads, offering unparalleled performance and versatility across any application.
The HLPSL valves are expertly crafted to cater to constant displacement pump systems, ensuring unwavering and reliable performance in any setting. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering remarkable energy-saving performance, thus establishing them as the ultimate choice for applications where efficiency is crucial. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a flawless 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 - This is the foundational element of reliable and steady performance, ensuring your operations are consistently smooth and highly efficient.;
HLPSV: Variable Displacement Pump - Representing the pinnacle of adaptability and adaptability, this offers unmatched versatility to cater to a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - The intersection of precision and reliability, ensuring dependable operations::
2-G3/8; This design is crafted for compact efficiency, facilitating streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and dependability, this provides a strong and reliable base for your system.;
4-G3/4; Offering cutting-edge connectivity, this delivers superior control and enhanced integration within your system.;
5, 55-G1; This option boasts a superior flow rate, making it ideal for high-demand applications and ensuring continuous peak performance.;
6-G1 1/4; Providing unparalleled performance, it is designed to excel in the field and surmount challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - This forms a reliable and trustworthy baseline, meticulously tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - This ensures precision in control, augmenting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This optimizes flow management, fostering superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering customized solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operations to enhance efficiency and 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 - Equipped with a pressure limiting valve for secondary pressure (F50), offering a specified pressure value; Implementing advanced safety measures to safeguard your operations.
(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 is an epitome of versatility and precision. For those preferring simplicity, /NF stands for no pressure limiting valve, specifically designed for HLPSV. This feature ensures optimal pressure control across varied scenarios, making it indispensable 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 tailored to suit every application, ensuring that you receive a product that meets 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, 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 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 unique functional requirements.
(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 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.
(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.
(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, crafted for comprehensive control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Explore our meticulously tailored end plate selections designed to meet diverse operational needs. Choose from: E1, a standard option featuring an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1 but with an additional port Y for enhanced versatility; E3, a sophisticated choice equipped with a 2-position 3-way magnetic ball valve, which elevates the system pressure seamlessly to safety valve levels upon power supply, ensuring robust performance.
E4, a refined variant of E1, offering internal discharge of pilot oil with a sealing port T; E5, building upon E2, also with internal discharge, blending enhanced functionality with efficiency; E6, reminiscent of E3, each option guarantees precise and sophisticated discharge control, tailored to meet the highest standards of system reliability and safety.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our carefully curated options designed for optimal safety and compatibility with specialized applications. Options include G12-12VDC, providing a reliable solution for ensuring safety in critical environments.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.
){kind=link}