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 one 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 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 in every setting. In contrast, 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 - A cornerstone of durability and dependability, this pump ensures unwavering and efficient system functionality through impeccable performance.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, it offers remarkable customization to suit an extensive array of operational dynamics.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with steadfast dependability, forming a robust operational backbone::
2-G3/8; Expertly designed for compact proficiency, ensuring a seamless and streamlined flow of operations.
3-G1/2; Robustly engineered for longevity and dependability, offering a formidable base for your system's fortitude.;
4-G3/4; With advanced connectivity for superior control, enhancing system integration for optimized performance.;
5, 55-G1; Designed for high-demand applications, featuring exceptional flow rates to guarantee reliable and consistent results.;
6-G1 1/4; Providing exceptional performance, crafted to thrive in challenging environments with effortless efficiency.;
(3) Additional Components and Specifications - Propelling system potential to extraordinary new heights::
C,Standard Type - A reliable and enduring foundation, thoughtfully engineered to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Assuring precision control, elevating your system's efficiency with meticulous regulation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives extraordinary flow management and unparalleled operational reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure management solutions crafted for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to precisely meet your specific operational challenges effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying control and operational efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump with power, and disengages without power; D - Normally closed magnetic ball valve, disengages the pump with power, and engages without power;D/F - Revel in the brilliance of this state-of-the-art, precision-engineered pressure limiting valve, tailored for secondary pressure (F50) applications. With a specifically defined pressure value, this engineering marvel elevates safety standards, optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. Experience the /NF configuration, meticulously crafted for HLPSV, delivering 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 is a testament to remarkable design, expertly conceived for every application, ensuring a product perfectly aligned with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Meticulously crafted ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve are engineered for impeccable integration.
(9)Directional valve block inflow controller options: Choose from a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, precisely tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, all offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore the extensive collection of core functions: L, M, F, H, J, B, R, O, N, each painstakingly designed to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak performance with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously crafted for supreme efficiency and dependability.
(12) Secondary pressure limitation options: Opt for: 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 uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options like: N, devoid of 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 a plethora of operation modes: A(1,2), manual operation with the choice of 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), a combination of 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the unparalleled versatility of our expertly engineered options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is meticulously crafted to offer seamless adaptability, ensuring flawless integration across a diverse array of systems.
(16) End plate options: Delve into our meticulously crafted end plate solutions. E1, our standard choice, provides an external discharge of pilot oil and an external oil return control port T. E2, similar to E1, offers enhanced flexibility with an additional port Y. E3 features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring robust performance.
E4 is designed similarly to E1, but innovatively integrates an internal discharge of pilot oil with a sealed port T. E5 mirrors the features of E2 but includes internal discharge for optimal performance. E6 reflects the sophisticated design of E3, providing advanced discharge control in every variation, ensuring peak efficiency and reliability.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, including G12-12VDC, engineered for safety and specialization in the most demanding applications, providing peace of mind and exceptional reliability.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 emerged as a beacon of innovation and unmatched excellence in the dynamic hydraulic industry. As a prestigious entity under the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. The meticulous research, development, manufacturing, and sales of premium hydraulic components is our forte, making us an indomitable force in the sector. Designated as a national 'specialized, refined, and innovative' small giant enterprise, our relentless dedication to technological advancement and superior quality distinguishes us as undisputed leaders in our field.
Our flagship product, the Enhanced Safety Atex Valve, stands as a pinnacle of advanced hydraulic system control. This masterfully engineered component is crafted specifically for the rigorous demands of construction machinery and heavy-duty equipment. It plays a critical role in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with many leading domestic manufacturers, significantly contributing to the localization of 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 unwavering in our commitment to providing 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.
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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