Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 foundation of unwavering performance, ensuring your operations flow with optimal smoothness and efficiency.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, this pump offers unmatched versatility and caters to diverse operational demands with finesse.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, guaranteeing dependable operations::
2-G3/8; Engineered for compact efficiency, perfect for streamlined operations and seamless flows.
3-G1/2; Constructed for robustness and unwavering reliability, forming a solid base for your entire system.;
4-G3/4; Offers state-of-the-art connectivity, providing superior control and enhanced system integration capabilities.;
5, 55-G1; The perfect choice for high-demand applications with its superior flow rate, ensuring uninterrupted performance.;
6-G1 1/4; This component excels in field operations, overcoming challenges with its unmatched performance.;
(3) Additional Components and Specifications - Elevate lifting system capabilities to unprecedented heights::
C,Standard Type - A robust and reliable standard tailored to meet your essential operational needs efficiently.;
G,Throttle Valve (For HLPSL only) - Delivers precise control, enhancing system efficiency remarkably.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management and drives exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly fulfill your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamline efficiency and elevate 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 - Equipped with a cutting-edge pressure limiting valve for secondary pressure (F50) with a designated pressure value. It delivers unparalleled safety measures to ensure the utmost security of 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, showcasing the pinnacle of precision engineering. For those who prefer simplicity, /NF indicates no pressure limiting valve, crafted specifically for HLPSV. This feature guarantees supreme pressure control across diverse scenarios, rendering it an essential asset for your hydraulic applications.
(7) Product Series Classification - Embracing the Pinnacle of Perfection:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, ensuring you receive a product that precisely meets your needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, an innovative 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable options, each ensuring precision and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet specific functional demands.
(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 optimal performance.
(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.
(13) Function ON/OFF and pressure outlet options: Tailor your choices with: 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 tailored for precise control.
(14) Operation modes: Experience a variety of operation modes: A(1,2), manual operation with the option of a 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 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 comprehensive control.
(15) Ancillary block port sizes: Choose from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability.
(16) End Plate Options: Experience bespoke end plate selections designed to meet your specific needs. Our offerings include: E1, the standard option, featuring an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1, but is enhanced with an additional port Y for greater flexibility. E3 stands out with a 2-position 3-way magnetic ball valve, elevating system pressure to the safety valve levels during power supply, ensuring superior performance and reliability.
E4, crafted akin to E1, but with the added precision of an internal discharge of pilot oil, complete with a sealing port T. E5, akin to E2, also boasts an internal discharge, offering a streamlined approach. E6 resembles E3, each meticulously designed to ensure advanced discharge control, providing unparalleled sophistication in operation.
(17) Control Voltage and Anti-Explosion Type Cable Length Options: Choose from our array of options such as G12-12VDC, tailored to ensure safety and compatibility with specialized applications. These options are designed to seamlessly integrate with your systems, providing peace of mind and operational excellence.G24 - A reliable choice for robust performance and seamless integration.-24VDC; Choose from an array of advanced solutions: G24Ex-3m-24VDC, G12Ex-3m-12VDC, G24MA-3m-24VDC, each engineered for optimal performance and reliability in demanding environments.12 - Compact and efficient, this option is designed to meet the unique demands of modern applications.bb621436 - A mark of quality and unmatched precision for your hydraulic control systems.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovative prowess and unrivaled excellence within the hydraulic industry. 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, represents the zenith of advanced hydraulic system control technology. Ingeniously crafted for construction machinery and heavy-duty equipment, this paramount component plays an indispensable role in critical 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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