Witness the dawn of a groundbreaking era in hydraulic technology with the introduction of our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they embody an extraordinary fusion of superior engineering prowess and state-of-the-art hydraulic technology. By harmoniously integrating pressure, flow, and directional control into a unified, cohesive unit, our valves offer exceptional performance and unwavering reliability across all applications. Meticulously crafted, these valves comprise three essential functional modules: connecting blocks, directional valves, and end plates, all intricately designed for seamless integration into premier hydraulic systems, indispensable for top-of-the-line engineering machinery. These valves precisely manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a sleek, compact design, outstanding energy efficiency, and the capability for stepless speed modulation. Additionally, they enable simultaneous operation of multiple actuators under varying loads, providing unparalleled performance and versatility in diverse applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast, reliable performance in any scenario. Conversely, the HLPSV valves are meticulously designed for variable pump systems. While they may exhibit a slightly slower response, HLPSV valves excel in their remarkable energy-saving capabilities, making them the perfect choice when efficiency is of utmost importance. These valves, with their advanced engineering and environmentally-friendly design, represent the ultimate solution for sophisticated hydraulic control needs, merging impeccable 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 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 - Non-magnetic ball valve; F - Normally open magnetic ball valve, designed to activate pump pressurization when powered, and enable unloading when unpowered; D - Normally closed magnetic ball valve, engineered to allow pump unloading when powered, and facilitate pressurization when unpowered; Each option is crafted to optimize hydraulic efficiency and performance.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, a masterpiece designed for secondary pressure (F50). This cutting-edge feature ensures the utmost in safety protocols, significantly enhancing operational security and reliability across diverse applications.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This remarkable component exemplifies adaptability, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, meticulously designed for HLPSV, ensuring impeccable pressure management across a variety of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Unlock the ultimate in engineering feats, where each series is a marvel of craftsmanship, tailored to meet a vast array of applications and providing products that seamlessly align with your exact requirements.;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering marvel, meticulously crafted to fulfill diverse applications, ensuring a product that aligns seamlessly with your precise needs and operational demands.
(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 superior operation.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without 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 engineered for precision and outstanding efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements and deliver exceptional performance.
(11) Output flow code for ports A & B: Maximize operational 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 across applications.
(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 integrity.
(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 meticulously engineered for precision control and enhanced functionality.
(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 emerged as a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly uphold our stature as a distinguished national high-tech enterprise. Our core expertise lies in the meticulous research, cutting-edge development, precision manufacturing, and strategic sales of premium hydraulic components. With our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate an unwavering commitment to technological advancement and superior quality. This relentless dedication cements our leadership position in the field, continually breaking new ground in hydraulic innovation.
Our enhanced Safety Atex Valve, the flagship product, epitomizes the pinnacle of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence and innovation 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.
){kind=link}