Behold the new dawn in hydraulic innovation with our avant-garde HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional components are more than just parts; they are the embodiment of engineering mastery and cutting-edge technology in hydraulics. By artfully fusing pressure, flow, and directional control into a unified, streamlined unit, our valves offer unparalleled performance and steadfast reliability across all applications. Engineered with meticulous precision, these valves feature three essential functional modules - connecting blocks, directional valves, and end plates - each crafted with care for seamless integration into top-of-the-line hydraulic systems, vital for leading engineering machinery. They precisely orchestrate the direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Distinguished by a sleek, compact design, exceptional energy efficiency, and the capability for stepless speed modulation, they allow multiple actuators to function concurrently under diverse load conditions, ensuring extraordinary performance and versatility in a multitude of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, guaranteeing steadfast and reliable operation in every scenario. Conversely, the HLPSV valves are meticulously engineered for variable pump systems; although their response may be slightly slower, their superior energy-saving properties make them the prime choice when efficiency is of the essence. With cutting-edge engineering and an eco-conscious design ethos, these valves emerge as the quintessential solution for advanced hydraulic control needs, blending impeccable precision, unyielding reliability, and superior energy efficiency into one harmonious 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 - No magnetic ball valve; F - Normally open magnetic ball valve: Empower your operations with this innovative valve, enabling pump pressurization when powered and seamless unloading when unpowered. D - Normally closed magnetic ball valve: Experience effortless pump unloading when powered and reliable pressurization when unpowered, ensuring optimal functionality at all times.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly bolstering operational security and reliability, establishing unparalleled peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications with unmatched efficiency.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover a range of series that represent the apex of engineering precision and innovative design, each promising to meet a wide array of applications with exceptional proficiency.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs and achieves excellence in every task.
(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, engineered with precision for seamless integration and operation, providing unmatched compatibility and efficiency.
(9)Directional valve block inflow controller options: Select from a diverse array of options to perfectly match your system's needs: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ingeniously designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency tailored to enhance performance.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements and elevate your system's operational capabilities.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. This expertly designed feature ensures superior performance and reliability, meeting the highest standards of excellence.
(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 and reliable protection.
(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 option meticulously engineered for precise control and functionality, enhancing your system's dynamism and adaptability.
(14) Operation modes: Experience an extensive selection of operation modes, each designed for optimal control and efficiency: A(1,2) offers manual operation with a choice of long or short handles; E provides electric proportional control for precision tasks; EA(1,2) combines electric proportional control with manual operation for versatile handling; D ensures electric switching value control; DA(1,2) blends electric switching value control with manual operation for comprehensive usage; M enables manual friction positioning with a long handle for improved grip; H delivers pure hydraulic control by aligning pilot oil ports with oil ports A and B; F features pure hydraulic control with perpendicular pilot oil ports, all engineered for sophisticated and exact control.
(15) Ancillary block port sizes: Enhance your system's adaptability with our precision-engineered port size solutions that promise seamless integration. Select from our meticulously crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers exceptional flexibility and is precisely designed to meet your specific needs with outstanding efficiency.
(16) End plate options: Explore our remarkable collection of end plate innovations, each precisely tailored for optimal performance. E1 establishes the benchmark, featuring external pilot oil discharge and an external oil return control port T. Elevate your system with E2, introducing an additional port Y for enhanced capability. Discover E3's pioneering design, integrating a 2-position 3-way magnetic ball valve, elevating pressure to premier safety valve standards when energized, ensuring unrivaled reliability and performance.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now with enhanced internal discharge capabilities. Embrace cutting-edge technology with E6, reflecting E3's innovative design. Every variant offers superior discharge control, ensuring your system functions at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our comprehensive range of expertly crafted solutions. Choose G12-12VDC for specialized applications requiring unmatched safety and compatibility.G24: The epitome of unyielding performance and consistent reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selections with these options, designed for peak efficiency and adaptability across diverse challenging environments.12: A paragon of precision and reliability, meticulously crafted for seamless integration into your systems.bb621436: The hallmark of excellence, setting a new standard in our innovative design landscape.
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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