Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability in every application. These valves are meticulously crafted with three essential functional modules - connecting blocks, directional valves, and end plates - making them ideal for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, ensuring 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. Conversely, 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 cornerstone of unwavering reliability, crafted to deliver unyielding and consistent performance, facilitating smooth and efficient operations across your entire system with remarkable dependability.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering exceptional flexibility to seamlessly accommodate a diverse range of operational requirements with grace and precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets unwavering reliability, forging a robust and trustworthy operational framework::
2-G3/8; Engineered for compact proficiency, meticulously designed to support streamlined and seamless operational flows with utmost efficiency.
3-G1/2; Constructed for unparalleled robustness and steadfast reliability, providing a solid foundation for preserving the integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced system integration capabilities.;
5, 55-G1; Equipped with superior flow rates, ideally suited for high-demand applications, ensuring consistent, dependable, and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled and unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly meet your specific operational demands and requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing overall efficiency and precision control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered;D/F - Featuring a meticulously engineered pressure limiting valve for secondary pressure (F50) with an exact pressure value, this state-of-the-art enhancement guarantees top-tier safety measures to optimize operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, catering seamlessly to all hydraulic requirements. For efficient configurations, /NF signifies the absence of a pressure limiting valve, expertly designed for HLPSV, ensuring impeccable pressure management across a wide range of applications.
(7) Product Series Classification - A Paragon of Engineering Innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of design, crafted meticulously to suit every application, guaranteeing that you receive a product that perfectly aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; includes auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for smooth, seamless integration.
(9)Directional valve block inflow controller options: Select from a diverse array: 1, devoid of inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller catering to both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unmatched precision and efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each designed with meticulous attention to meet distinct functional demands.
(11) Output flow code for ports A & B: Maximize efficiency with the available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Choose from: N, devoid of pressure limiting protection; C, simultaneous pressure limitation for 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: Tailor your choice 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 precise control and enhanced functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with flexible long or short handle options; E, electric proportional control; EA(1,2), a blend of electric proportional control with manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control with manual operation; M, manual friction positioning utilizing a long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control featuring perpendicular pilot oil ports, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Experience our expertly crafted adaptable options that ensure seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously designed for effortless adaptability, providing you with a versatile solution that caters to your specific needs with precision and finesse.
(16) End plate options: Explore our range of meticulously tailored end plate solutions. Choose E1, our standard offering, which includes an external discharge for pilot oil and a control port T for external oil return. Alternatively, opt for E2, which builds upon E1 with the addition of a port Y for enhanced functionality. For a superior pressure elevation, E3 is equipped with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated.
E4 closely mirrors the design of E1 but innovatively features an internal discharge of pilot oil with a sealed port T for streamlined operations. E5 mirrors the enhancements of E2 with an internal discharge design, offering elevated efficiency. E6 reflects the sophisticated engineering of E3, with each variant delivering advanced discharge control tailored for optimal performance.
(17) Control voltage and anti-explosion cable options: Embrace a selection of secure, specialized options such as G12-12VDC, crafted for reliability and precision in even the most demanding applications, ensuring your system performs safely and effectively.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 enhanced Safety Atex Valve, a flagship product, embodies the zenith of hydraulic system control technology. Expertly engineered, our load-sensitive proportional valve is meticulously designed for construction machinery and heavy-duty equipment, proving indispensable in high-stakes environments 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. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwaveringly committed to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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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