Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they represent a masterful fusion of engineering brilliance and pioneering hydraulic innovation. By effortlessly integrating pressure, flow, and directional control into a cohesive unit, our valves consistently deliver outstanding performance and unwavering reliability in every application. Crafted with precision, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - meticulously designed to integrate seamlessly into top-tier hydraulic systems. These systems are indispensable for premier engineering machinery. Our valves precisely manage the direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Standout features include an elegant, compact design, superior energy efficiency, and the capacity for stepless speed modulation. Furthermore, they enable simultaneous operation of multiple actuators under varying loads, delivering unmatched performance and versatility across diverse applications.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario. Conversely, the HLPSV valves are meticulously designed for variable pump systems. Although they may demonstrate a slightly slower response, HLPSV valves excel in their outstanding energy-saving capabilities, making them the ideal choice when efficiency is paramount. With cutting-edge engineering and an eco-conscious design, these valves emerge as the ultimate solution for advanced hydraulic control needs, harmonizing exceptional precision, reliability, and energy efficiency into one seamless 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 robust and resilient performer delivers unwavering, consistent output, ensuring seamless and highly effective operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers unmatched flexibility to accommodate a wide spectrum of operational demands effortlessly.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets superior reliability to create a lasting operational framework::
2-G3/8; Designed with compact efficiency in mind, it guarantees smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, laying a strong foundation for maintaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it ensures 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 performance.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly boosting 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 - Delivering 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 reliable no magnetic ball valve; F - An innovative normally open magnetic ball valve that empowers pump pressurization when energized and ensures pump unloading when not energized; D - A sophisticated normally closed magnetic ball valve that adeptly manages pump unloading when energized and pressurization when not energized.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, instinctively designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly bolstering operational security and reliability, making it an indispensable choice for safety-conscious operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the potential of groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component is a testament to adaptability, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring flawless pressure management in diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: A showcase of unparalleled engineering mastery.;-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, combining innovation, precision, and performance.
(8)Thread size of directional spool valve ports A & B: Engineered for exactness and reliability.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, masterfully designed for seamless integration and operation, ensuring unmatched performance.
(9)Directional valve block inflow controller options: Choose from a diverse array of meticulously designed options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency, perfectly tailored to suit your specific needs.
(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, ensuring the utmost in operational excellence.
(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, expertly designed to provide superior performance and reliability, tailored for optimal operation.
(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 optimal performance.
(13) Function ON/OFF and pressure outlet options: Customize your system with meticulously engineered 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 designed for precise control and functionality, ensuring superior system performance.
(14) Operation modes: Select from a diverse array of 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Empower your systems with our exquisitely engineered port size solutions, crafted to ensure perfect adaptability and seamless integration. Choose from our expertly designed array of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option delivers unmatched flexibility and is meticulously tailored to fulfill your precise needs with exceptional efficiency.
(16) End plate options: Dive into our extraordinary suite of precisely tailored end plate innovations. E1 sets the standard, featuring external pilot oil discharge and an external oil return control port T. Elevate your experience with E2, which introduces an additional port Y for enhanced functionality. Explore the breakthrough innovation of E3, integrating a 2-position 3-way magnetic ball valve. This elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, much like E1, is distinct with an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Step confidently into advanced technology with E6, echoing E3's forward-thinking design. Each variant guarantees superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Strengthen your system's safety and reliability with our extensive range of expertly tailored solutions. Opt for G12-12VDC, perfect for specialized applications that demand uncompromised safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, engineered for peak efficiency and adaptability across various challenging environments.12: Embodying precision and reliability, expertly tailored for flawless integration into your systems.bb621436: The code of excellence, setting a benchmark in our pioneering design.
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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