Introducing the ultimate in hydraulic control technology: our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These marvels of engineering are the pinnacle of innovation in hydraulics. They seamlessly integrate pressure, flow, and directional control into one unified and harmonious masterpiece, ensuring unrivaled performance and reliability in every application. Crafted with meticulous precision, these valves typically consist of three essential functional modules: connecting blocks, directional valves, and end plates. Designed for integration into high-end hydraulic systems, they are indispensable for top-tier engineering machinery. Our valves expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring unwavering and reliable operation in every environment. Conversely, the HLPSV valves are masterfully engineered to excel in variable pump systems. While the HLPSV valves may exhibit a slightly slower response time, they stand out by offering exceptional energy-saving performance. This makes them the ultimate choice for applications where efficiency is of utmost importance. Thanks to their cutting-edge engineering and energy-efficient design, HLPSV valves are the premier solution for advanced hydraulic control requirements. They provide an impeccable blend of precision, reliability, and energy efficiency, setting a new standard in hydraulic valve technology.
| 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 steadfast reliability, ensuring consistent and seamless performance to maintain smooth and efficient system operations.;
HLPSV: Variable Displacement Pump - A model of adaptability and unparalleled versatility, offering exceptional flexibility to meet a diverse range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework::
2-G3/8; Designed for compact efficiency, promoting streamlined and seamless operational flow.
3-G1/2; Constructed for durability and dependability, forming a robust foundation for your system's integrity.;
4-G3/4; Showcasing advanced connectivity, delivering superior control and refined system integration.;
5, 55-G1; With enhanced flow rates, perfect for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Offering unrivaled performance, precisely engineered to excel in rigorous environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Transforming system capabilities to new heights::
C,Standard Type - A dependable and trustworthy foundation, expertly crafted to fulfill essential operational needs.;
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) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing 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); Tailoring solutions to meet your specific operational requirements seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, and pressurizes it when unpowered;D/F - Introducing a cutting-edge marvel in hydraulic engineering: the precision-engineered pressure limiting valve for secondary pressure (F50). This valve is meticulously crafted with a specifically defined pressure value, setting new standards in safety measures. Experience unparalleled operational security and reliability, redefined by this state-of-the-art component.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the ultimate in versatility and precision with adjustable settings at bar levels of 63, 120, 210, 280, 315, 350, and 400. This component epitomizes adaptability, seamlessly meeting every hydraulic demand. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, ingeniously created to cater to every application, ensuring you receive a product that perfectly aligns with your precise requirements.
(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.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet fitting 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: Explore a vast selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for supreme performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing 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 engineered for precise control and functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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 long handle; H, pure hydraulic control (pilot oil ports aligned with ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our expertly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously crafted to ensure seamless adaptability and flawless integration into a diverse range of systems, providing bespoke solutions for your unique needs.
(16) End plate options: Delve into our carefully curated end plate solutions: E1, your reliable standard, offers external discharge of pilot oil with an external oil return control port T; E2, an enhancement of E1, introduces an additional port Y for increased flexibility; E3 features a sophisticated 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels upon activation, ensuring optimal performance.
E4, crafted with the precision of E1, ingeniously integrates an internal discharge of pilot oil alongside a sealed port T; E5 mirrors the enhanced features of E2 with internal discharge for superior performance; E6, echoing the advanced design of E3, provides sophisticated discharge control in every variant, ensuring the highest level of operational excellence.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, including G12-12VDC, meticulously crafted to meet safety standards and specialized for the most demanding applications, ensuring reliability and precision.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of pioneering innovation and exceptional excellence within the hydraulic sector. As an illustrious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly maintain our status as a national high-tech enterprise. Our unparalleled expertise in the precise research, development, manufacturing, and marketing of top-tier hydraulic components sets us apart. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise further exemplifies our steadfast commitment to technological progress and superior quality. This unwavering dedication distinctly positions us as leaders within our industry.
Our flagship offering, the enhanced Safety Atex Valve, embodies the pinnacle of sophisticated hydraulic system control. Expertly engineered for use in construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with numerous leading domestic manufacturers, playing a significant role in the localization of essential 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 remain steadfast in our commitment to delivering remarkable products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, establishing new benchmarks of excellence across the world.
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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