Step into the future of hydraulic technology with the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they represent a perfect harmony of engineering mastery and state-of-the-art hydraulic innovation. By flawlessly merging pressure, flow, and directional control into one seamless unit, our valves ensure outstanding performance and unwavering reliability across all applications. Expertly crafted, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - each designed with precision for integration into elite hydraulic systems, which are indispensable for premium engineering machinery. These valves expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and the ability for stepless speed modulation. Additionally, they enable multiple actuators to work in harmony simultaneously under different loads, delivering superior performance and versatility across a wide range of applications.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and steadfast operations under any conditions. In contrast, the HLPSV valves are specifically designed for variable pump systems, which, despite having a slightly slower response time, are distinguished by their remarkable energy-saving qualities, making them the quintessential choice when efficiency is of utmost importance. These valves, boasting advanced engineering and eco-friendly design, stand as the ultimate solution for sophisticated hydraulic control needs, seamlessly integrating unparalleled precision, reliability, and energy efficiency into one comprehensive package.
| 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 - This resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
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 - Providing tailored pressure control solutions to meet diverse application needs with precision: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 requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - A non-magnetic ball valve; F - A normally open magnetic ball valve that powers the pump for pressurization and safely unloads it when unpowered; D - A normally closed magnetic ball valve, simplifying operations by unloading the pump when powered and pressurizing it when unpowered, ensuring optimal functionality.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed specifically for secondary pressure (F50). This cutting-edge feature ensures advanced safety measures, significantly boosting operational security and reliability for optimal safety performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embark on a journey of innovation with this versatile and precise component, offering customizable pressure settings from 63 to 400 bar. It stands as a testament to adaptability, meeting a wide array of hydraulic demands with ease. The configuration option /NF, which features no pressure limiting valve, is meticulously crafted for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering, meticulously designed to cater to varied applications, providing you with 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; including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from a wide selection: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and outstanding efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with the utmost precision.
(11) Output flow code for ports A & B: Elevate efficiency with peak output flow capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 option carefully designed for precise control and functionality.
(14) Operation modes: Experience a versatile spectrum of operation modes with unparalleled adaptability: A(1,2) for manual control, offering the choice of long or short handle; E for electric proportional mastery; EA(1,2) combines the finesse of electric proportional control with manual precision; D for sophisticated electric switch value control; DA(1,2) merges electric switch value and manual handling for ultimate versatility; M provides manual friction positioning with an extended handle; H offers pure hydraulic control, aligning pilot oil ports seamlessly with A and B; F delivers pure hydraulic control with perfectly perpendicular pilot oil ports. Each mode is intricately designed for precise, comprehensive control, ensuring superior performance in all your applications.
(15) Ancillary block port sizes: Transform your systems with our meticulously engineered port sizes that ensure flawless adaptability and effortless integration. Choose from our expertly curated size options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each delivering unparalleled flexibility. These sizes are carefully crafted to meet your specific requirements, ensuring exceptional operational efficiency and seamless system harmony.
(16) End plate options: Discover an extraordinary array of end plate innovations, each precisely tailored for your needs. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Elevate functionality with E2, offering an additional port Y for added capabilities. E3 introduces a revolutionary 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve standards when energized. This ensures superior performance and unmatched reliability, enhancing your system's overall efficiency.
E4 mirrors the sophistication of E1 with an internal pilot oil discharge and a sealed port T, ensuring optimal performance. E5 embodies the excellence of E2, now enhanced with internal discharge capabilities. Step into the future of technology with E6, reflecting E3's innovative design. Each variant guarantees impeccable discharge control, allowing your system to operate at peak efficiency and performance, delivering excellence in every aspect.
(17) Control voltage and anti-explosion cable options: Augment your system's safety and reliability with our wide range of precision-engineered solutions. Choose G12-12VDC for specialized applications that require uncompromised safety and seamless compatibility, ensuring robust and reliable performance.G24: The pinnacle of steadfast performance and unwavering dependability, ensuring your system operates flawlessly in any condition.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic decision-making with these expertly engineered options. Designed for peak efficiency and adaptability, they are perfect for a variety of challenging environments, ensuring your systems perform at their best.12: Exemplifying precision and reliability, masterfully crafted for seamless integration into your systems, ensuring flawless operation and exceptional performance.bb621436: The pinnacle of excellence, establishing a new standard in our innovative design, setting your systems apart with superior quality and cutting-edge technology.
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, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for 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.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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