Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of hydraulic engineering. These revolutionary creations stand as the pinnacle of innovation, harmoniously integrating pressure, flow, and directional control into one cohesive masterpiece. This ensures unmatched performance and reliability across applications. Composed of three fundamental modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into high-end hydraulic systems, essential for top-tier engineering machinery. They precisely command the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation across all settings. Conversely, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they shine in delivering exceptional energy-saving performance, making them the ultimate choice for applications prioritizing efficiency. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering a perfect balance 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 - Navigating the heart of your hydraulic system with precision:
HLPSL: Constant Displacement Pump - The cornerstone of unwavering reliability, championing consistent and steadfast performance to ensure seamless and efficient operations throughout your hydraulic network.;
HLPSV: Variable Displacement Pump - A masterpiece of adaptability and versatility, delivering extraordinary flexibility that seamlessly accommodates a wide spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, establishing a resilient operational foundation::
2-G3/8; Expertly crafted for compact proficiency, this design ensures streamlined and seamless operational flows.
3-G1/2; Meticulously engineered for robustness and reliability, securing your system's integrity with unwavering strength.;
4-G3/4; Showcasing advanced connectivity, it offers superior control and enhanced system integration.;
5, 55-G1; With superior flow rates, this is the ideal choice for high-demand applications, guaranteeing consistent and reliable performance.;
6-G1 1/4; Delivering unsurpassed performance, this expertly designed component excels in demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability in every application.;
(4) Pilot Oil Circuit Pressure Options - Customizing pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, expertly 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 - This state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50) comes with a specified pressure value, ensuring robust and sophisticated safety measures. This feature is designed to significantly boost the operational security and reliability of your systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock exceptional versatility and unparalleled precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents a pinnacle of adaptability, meeting all hydraulic requirements. For seamless configurations, /NF denotes the absence of a pressure limiting valve, meticulously tailored for HLPSV to assure flawless pressure management across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece, exquisitely crafted to meet every application requirement, ensuring you receive a product perfectly aligned with your exact specifications.
(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, precisely engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from an array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, meticulously designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional needs.
(11) Output flow code for ports A & B: Maximize efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered 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 unmatched system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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: Select from diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, tailored for comprehensive and precise control.
(15) Ancillary block port sizes: Select from our expertly crafted options to suit your specific needs: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each is meticulously engineered for exceptional adaptability and seamless integration with your systems.
(16) End plate options: Explore our array of finely tailored end plate solutions. E1 is the standard choice, boasting an external discharge of pilot oil with an external oil return control port T; E2 is akin to E1 but enhanced by an additional port Y; E3 is furnished with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels when energized.
E4 shares a similar design to E1 but innovatively features an internal discharge of pilot oil with a sealed port T; E5 mirrors E2 yet similarly integrates internal discharge; E6 echoes the sophistication of E3, with each variant ensuring superior discharge control.
(17) Control voltage and anti-explosion cable options: Opt for our range of secure and compatible solutions, including G12-12VDC, meticulously designed for safety and performance in even the most demanding applications.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 brilliantly illuminated the hydraulic industry with its groundbreaking innovations 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 shines 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, continually pushing the boundaries of what's possible in hydraulic technology.
At the heart of our offerings is the enhanced Safety Atex Valve, our flagship product. The load-sensitive proportional valve is a testament to the pinnacle of advanced hydraulic system control. Expertly engineered for the demanding world of construction machinery and heavy-duty equipment, this versatile component is vital 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, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide, forging a legacy of reliability and innovation.
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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