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. Meanwhile, 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 - The backbone of your system's integrity, offering robust and reliable connectivity for optimal functionality.
HLPSL: Constant Displacement Pump - The pinnacle of reliability, consistently delivering unwavering performance to assure seamless and efficient operations throughout your hydraulic system.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump offers exceptional flexibility to meet a variety of operational needs with unmatched precision.;
(2) Connection Block Ports P & R Specifications - Combining precision and reliability, these specifications create a dependable operational framework::
2-G3/8; Masterfully crafted for compact efficiency, this port is designed to facilitate smooth and uninterrupted operational flows.
3-G1/2; Expertly engineered for durability and steadfastness, providing a robust foundation for maintaining system integrity.;
4-G3/4; Featuring advanced connectivity, this port offers superior control and enhanced integration within your hydraulic system.;
5, 55-G1; Perfectly equipped with superior flow rates, it stands ideal for high-demand applications, assuring consistent and reliable output.;
6-G1 1/4; Delivering unrivaled performance, this port is meticulously designed to excel in demanding environments and tackle challenges with ease.;
(3) Additional Components and Specifications - Taking system capabilities to extraordinary heights, ensuring enhanced operational performance::
C,Standard Type - A foundation of reliability and trust, meticulously crafted to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the overall efficiency of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully manages flow, driving exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions tailored to a spectrum of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new heights:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and activating it when unpowered;D/F - Step into the future of hydraulic safety and efficiency with this state-of-the-art, precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). Set with a meticulously defined pressure value, this marvel of engineering is crafted to ensure that the highest standards of advanced safety measures are not just met but thoroughly enhanced, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of hydraulic innovation and adaptability with this tool adjustable pressure limiting valve featuring precision settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of versatility, seamlessly meeting every hydraulic need. In the /NF configuration, embrace systems without a pressure limiting valve, meticulously curated for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - Experience Engineering Excellence Like Never Before:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design and engineering prowess, expertly tailored to suit every unique application, ensuring you receive a product that perfectly aligns with your specific requirements and exceeds expectations.
(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, meticulously engineered for seamless and flawless integration, elevating operational efficiency to new heights.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection of options: 1, without inflow controller; 2, the standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfectly crafted for the N 3/3-way valve; 5, an enhanced inflow controller; 8, pre-selectable options, each offering unparalleled precision and exceptional efficiency.
(10) Valve core function symbols: Unveil an extensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific and diverse functional requisites.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and consistent dependability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic experience with options such as: 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 engineered for precision control and enhanced functionality.
(14) Operation modes: Select from an array of sophisticated operation modes: 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 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, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Dive into the realm of versatility with our expertly crafted options, tailored for seamless adaptability. Choose from /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously engineered to ensure flawless integration into diverse systems, enhancing functionality and operational excellence.
(16) End plate options: Discover our meticulously designed end plate solutions, curated to meet versatile demands. E1, the standard choice, provides an external discharge of pilot oil and an external oil return control port T. For added flexibility, E2 mirrors E1 but includes an additional port Y. E3 stands out with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels when activated, ensuring superior operational safety and reliability.
E4, ingeniously designed akin to E1, incorporates an internal discharge of pilot oil with a sealed port T, optimizing system performance. E5 echoes the features of E2, integrating internal discharge for unparalleled performance. E6 embodies the sophisticated design of E3, delivering advanced discharge control across all variants, enhancing system efficiency and safety.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, featuring G12-12VDC, engineered for robustness and safety in the most demanding applications, ensuring reliability and specialized performance.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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial 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, contributing significantly to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our commitment to providing exceptional 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 timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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