Witness the dawn of a revolutionary era in hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are a testament to a masterful fusion of engineering brilliance and cutting-edge hydraulic innovation. By flawlessly integrating pressure, flow, and directional control into one unified, cohesive unit, our valves offer unparalleled performance and steadfast reliability in every application. Crafted with meticulous precision, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - all designed with great detail for seamless integration into top-tier hydraulic systems, a necessity for premier engineering machinery. These valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing exceptional precision and control. Notable features include a sleek, compact design, outstanding energy efficiency, and the capability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under diverse loads, offering unmatched performance and versatility across a wide array of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, dependable operations in any situation. In contrast, the HLPSV valves are meticulously crafted for variable pump systems. Although they may have a slightly slower response time, the HLPSV valves are distinguished by their exceptional energy-saving capabilities, making them the perfect choice when efficiency is key. These valves, with state-of-the-art engineering and an eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, seamlessly combining impeccable precision, reliability, and energy efficiency in one remarkable 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 - The normally open magnetic ball valve revolutionizes pump operation, enabling pressurization when powered and unloading when unpowered, ensuring optimal functionality; D - The normally closed magnetic ball valve offers the opposite effect, facilitating unloading when powered and pressurization when unpowered, providing versatility and precision.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This state-of-the-art feature guarantees enhanced safety protocols, significantly bolstering operational security and reliability with cutting-edge technology.
(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, accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, crafted to meet diverse applications, providing a product that aligns seamlessly with your precise needs, showcasing unparalleled innovation and expertise.
(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 optimal operation.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 1, no inflow controller; 2, standard inflow controller; 4, 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 delivering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements with precision and reliability.
(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 unwavering 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 with top-notch precision.
(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 optimal functionality.
(14) Operation modes: Discover a diverse array of operation modes designed to cater to every control need: A(1,2), offering manual operation with customizable long or short handles; E, featuring electric proportional control for precision; EA(1,2), a perfect blend of electric proportional control with manual operation; D, providing electric switching value control; DA(1,2), combining electric switching value and manual control; M, utilizing manual friction positioning with a long handle; H, offering pure hydraulic control with pilot oil ports aligned with ports A and B; F, delivering pure hydraulic control with perpendicular pilot oil ports, each mode crafted meticulously for comprehensive and precise control.
(15) Ancillary block port sizes: Elevate your systems with our meticulously crafted port size solutions, engineered for flawless adaptability and seamless integration. Choose from a range of expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides unmatched flexibility, tailored to meet your specific needs with exceptional efficiency and precision.
(16) End plate options: Discover our exceptional suite of precisely engineered end plate innovations. E1 leads the way with external pilot oil discharge and an external oil return control port T. Enhance functionality with E2, featuring an additional port Y. Experience breakthrough innovation with E3, integrating a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized, ensuring outstanding performance and unmatched reliability.
E4 mirrors E1 with its distinct internal pilot oil discharge and a sealed port T. E5 reflects E2's excellence, now with internal discharge capabilities. Step into advanced technology with E6, echoing E3's forward-thinking design. Each variant ensures superior discharge control, guaranteeing your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Secure your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility.G24: The ultimate selection for consistent performance and steadfast 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 in various challenging environments.12: Exemplifying precision and reliability, expertly tailored for seamless integration into your systems.bb621436: The epitome of excellence, setting the benchmark in our innovative 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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