Experience the dawn of a new era in hydraulic technology with our trailblazing HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Far beyond mere components, they represent a harmonious blend of engineering prowess and advanced hydraulic innovation. By flawlessly integrating pressure, flow, and directional control into a unified, cohesive unit, our valves deliver extraordinary performance and steadfast reliability in every application. Crafted with meticulous precision, these valves comprise three essential functional modules - connecting blocks, directional valves, and end plates - meticulously designed for integration into top-tier hydraulic systems, vital for premier engineering machinery. These valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to operate in tandem under varying loads, providing unmatched performance and versatility across a wide array of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario. In contrast, the HLPSV valves are meticulously crafted for variable pump systems. Despite a slightly slower response, HLPSV valves distinguish themselves with remarkable energy-saving capabilities, making them the quintessential choice when efficiency is of the essence. With state-of-the-art engineering and an eco-conscious design, these valves emerge as the ultimate solution for advanced hydraulic control needs, embodying impeccable precision, reliability, and energy efficiency in one seamless package.
| 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 - A robust powerhouse in performance reliability, offering steadfast and consistent delivery, ensuring flawless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump provides unmatched flexibility to meet a diverse range of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering intertwines with reliability to establish an enduring operational framework::
2-G3/8; Designed with space efficiency at its core, it ensures smooth and unhindered operational flows.
3-G1/2; Engineered for robust performance and reliability, providing a solid foundation to maintain your system's integrity.;
4-G3/4; Offering cutting-edge connectivity, it delivers superior control and enhances system integration effortlessly.;
5, 55-G1; With remarkable flow rates, it is ideal for high-demand applications, ensuring consistent and reliable outcomes.;
6-G1 1/4; Providing unparalleled performance, this element is expertly crafted to excel in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights of excellence::
C,Standard Type - A beacon of reliability, meticulously engineered to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Offers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with meticulous precision:C - A unique non-magnetic ball valve; F - A normally open magnetic ball valve, designed to pressurize the pump when powered and unload when unpowered; D - A normally closed magnetic ball valve, engineered for unloading the pump when powered and pressurizing when unpowered, ensuring efficient safety solutions.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve tailored for secondary pressure (F50). This state-of-the-art feature ensures advanced safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, precisely crafted to meet diverse applications, providing a product that aligns seamlessly with your specific needs.
(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 with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve maximum efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed for superior performance and reliability.
(12) Secondary pressure limitation options: Choose 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: 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 option expertly designed for precise control and functionality.
(14) Operation modes: Discover a diverse array of meticulously crafted operation modes tailored for comprehensive and precise control. Choose from A(1,2) for manual operation with optional long or short handle; E for electric proportional control; EA(1,2) combining electric proportional control with manual operation; D for electric switching value control; DA(1,2) merging electric switching value control with manual operation; M for manual friction positioning with a long handle; H for pure hydraulic control aligning pilot oil ports with oil ports A and B; and F for pure hydraulic control with perpendicular pilot oil ports. Each mode is designed to enhance your system's versatility and precision.
(15) Ancillary block port sizes: Experience unmatched flexibility with our expertly designed port size solutions, ensuring perfect adaptability and seamless integration. Choose from /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is crafted to meet your precise needs with exceptional efficiency, empowering your systems with exceptional engineering.
(16) End plate options: Explore our extraordinary suite of precisely tailored end plate innovations. E1 sets the standard with external pilot oil discharge and an external oil return control port T. Elevate your system with E2, offering an additional port Y for enhanced functionality. Delve into the breakthrough innovation of E3, featuring a 2-position 3-way magnetic ball valve for superior safety valve levels when energized. This ensures superior performance and unmatched reliability, taking your system to new heights.
E4, akin to E1, features an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence with internal discharge capabilities. Advance confidently with E6, echoing E3's forward-thinking design. Each variant ensures exquisite discharge control, enabling your system to operate at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Reinforce your system's safety and reliability with our extensive suite of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromising safety and compatibility.G24: The ultimate choice for unwavering performance and steadfast dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selection with these options, engineered for peak efficiency and adaptability across various challenging environments.12: Exemplifying precision and reliability, these expertly tailored solutions ensure flawless integration into your systems.bb621436: The code of excellence, establishing a benchmark in our pioneering design.
Since embarking on our journey in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has seamlessly merged innovation with excellence in the hydraulic industry. As a prestigious subsidiary of the China Baoan Group (stock code: 000009), we hold our position as a distinguished national high-tech enterprise with pride. Our expertise encompasses the detailed research, development, manufacturing, and sales of top-tier hydraulic components. Our honored title as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our steadfast dedication to technological progress and unparalleled quality. This unwavering commitment positions us as leaders in our industry.
Our Safety Atex Valve stands as the crowning achievement of hydraulic system control innovation. Designed with precision for construction machinery and heavy-duty equipment, this indispensable component excels in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with leading domestic manufacturers, playing a crucial role in the localization of core hydraulic components for high-end mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives us to deliver outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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