Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the height of hydraulic innovation, seamlessly fusing pressure, flow, and directional control into one flawless 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, pivotal for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include 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 across various settings. Conversely, the HLPSV valves are brilliantly engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding energy-saving performance, making them the optimal choice for applications where efficiency matters most. 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, this pump consistently ensures smooth, efficient operations, providing a steadfast performance foundation for your system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump delivers remarkable flexibility, seamlessly aligning with a diverse spectrum of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, crafting a dependable operational framework::
2-G3/8; Designed for compact excellence, facilitating streamlined and seamless operational flows with ease.
3-G1/2; Constructed for robustness and reliability, serving as a solid foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, this port offers superior control and enhanced system integration.;
5, 55-G1; Engineered for superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, crafted to excel in demanding environments and effortlessly tackle challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights of excellence::
C,Standard Type - A reliable foundation, meticulously designed to fulfill essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing overall efficiency and 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 - Discover the epitome of precision engineering with our state-of-the-art pressure limiting valve for secondary pressure (F50). This marvel is meticulously designed with a specifically defined pressure value to ensure the highest degree of safety. Achieve unparalleled operational security and reliability, setting new standards like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Step into a world of versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, effortlessly meeting every hydraulic demand. Experience the /NF configuration, expertly crafted for HLPSV, which delivers unmatched pressure control across diverse applications, even without a pressure limiting valve.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in innovative design, skillfully conceived to meet a myriad of applications, guaranteeing you a product that aligns seamlessly with your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Also, explore ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a wide range of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfectly tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each one crafted for precision and remarkable efficiency.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each one meticulously crafted to meet specific functional requirements, ensuring your system operates at its peak.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each expertly designed to deliver supreme performance and reliability.
(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, guaranteeing unwavering system safety and performance.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 engineered for precision control and optimal functionality.
(14) Operation modes: Choose from several advanced operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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, all masterfully designed to achieve comprehensive and precise control.
(15) Ancillary block port sizes: Experience unparalleled versatility with our expertly engineered options, designed to meet diverse system needs effortlessly: /2 G3/8, perfect for compact installations; /3 G1/2, ideal for standard interfaces; /4 G3/4, suited for robust applications; /5 G1, crafted for maximum capacity. Each choice is meticulously crafted to ensure seamless adaptability and flawless integration into a wide array of systems.
(16) End plate options: Discover our meticulously crafted end plate solutions tailored for superior performance: E1, the standard bearer, provides an external discharge of pilot oil and an external oil return control port T; E2 builds upon E1 with an additional port Y, offering enhanced flexibility; E3, distinguished by its 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels when engaged, ensuring premium safety standards.
E4, ingeniously designed akin to E1, integrates an internal discharge of pilot oil with a sealed port T for optimal efficiency; E5 mirrors the advanced features of E2, providing internal discharge to maximize performance; E6 reflects the sophisticated design of E3, offering superior discharge control across all variants, ensuring precision and reliability in every configuration.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, crafted for safety and specialization: G12-12VDC, designed to withstand the most demanding applications with unparalleled security.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 stood as a radiant symbol of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly carry the mantle of a national high-tech enterprise. Our unparalleled expertise in the precise research, development, manufacturing, and sales of superior hydraulic components remains unrivaled. Being honored as a national 'specialized, refined, and innovative' small giant enterprise underscores our steadfast commitment to technological advancement and superlative quality. This unwavering dedication distinctly establishes us as definitive leaders in our field.
Our flagship marvel, the enhanced Safety Atex Valve, represents the pinnacle of sophisticated hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this adaptable component plays a pivotal role in high-stakes scenarios such as emergency rescue missions, tunnel engineering, mining operations, and municipal service vehicles. We take immense pride in our strategic partnerships with many leading domestic manufacturers, significantly advancing the localization of core hydraulic components for elite mechanical equipment. Rooted in our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfastly committed to delivering unparalleled 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: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.
){kind=link}