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 more than mere components; they are the epitome of engineering excellence and avant-garde hydraulic innovation. Seamlessly merging pressure, flow, and directional control into a singular, cohesive unit, our valves deliver unmatched performance and unwavering reliability across every application. Crafted with utmost precision, they comprise three integral functional modules - connecting blocks, directional valves, and end plates - meticulously designed for flawless integration into elite hydraulic systems, indispensable for premier engineering machinery. These valves deftly regulate the motion direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and control. Among their notable features are a sleek, compact design, outstanding energy efficiency, and the capacity for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unmatched performance and versatility across a wide array of applications.
The HLPSL valves are masterfully tailored for constant displacement pump systems, guaranteeing steadfast, reliable operations under any circumstance. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although they may exhibit a marginally slower response, HLPSV valves are distinguished by their remarkable energy-saving capabilities, making them the quintessential choice when efficiency is paramount. These valves, with their state-of-the-art engineering and eco-friendly design, emerge as the ultimate solution for sophisticated hydraulic control requirements, amalgamating 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 - A stalwart of unwavering performance reliability, this pump excels in providing a dependable, consistent output, ensuring that your entire system runs seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - An epitome of versatility and adaptability, this pump surpasses expectations by accommodating a diverse range of operational needs with remarkable ease and precision.;
(2) Connection Block Ports P & R Specifications - Precision engineering at its finest, offering a solid and reliable operational framework::
2-G3/8; Designed for compact efficiency, it facilitates smooth, uninterrupted operational flows, optimizing system performance.
3-G1/2; Engineered for robust performance, this port sustains your system's integrity with dependable strength and endurance.;
4-G3/4; Featuring state-of-the-art connectivity, it enhances system integration with superior control and precision.;
5, 55-G1; With exceptional flow rates, it's perfect for demanding applications, consistently delivering reliable outcomes.;
6-G1 1/4; Designed for unmatched performance, this component excels in challenging environments, effortlessly navigating obstacles.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unprecedented levels of excellence::
C,Standard Type - A cornerstone of reliability, meticulously engineered to meet essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Enhances system efficiency by delivering precise control, significantly optimizing performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions to meet diverse application needs with precise accuracy:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafted to seamlessly align with your specific operational requirements, these options provide bespoke solutions.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhances system efficiency and ensures precision control:C - Immerse yourself in precision with the No Magnetic Ball Valve; F - Empower your operations with the Normally Open Magnetic Ball Valve, designed to activate pump pressurization when energized and ensure unloading when de-energized; D - Unlock efficient performance with the Normally Closed Magnetic Ball Valve, which facilitates pump unloading when energized and pressurization when de-energized.D/F - Elevate your safety standards to unparalleled heights with our precision-engineered Pressure Limiting Valve, specifically crafted for secondary pressure (F50). This cutting-edge feature ensures the implementation of advanced safety protocols, significantly boosting operational security and reliability for your peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component showcases unparalleled adaptability, masterfully accommodating a diverse array of hydraulic requirements. For seamless configurations, /NF signifies the absence of a Pressure Limiting Valve, meticulously tailored for HLPSV, ensuring flawless pressure management across a vast spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, expertly designed to cater to diverse applications, presenting you with a product that aligns seamlessly with your exacting needs.
(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 in every aspect.
(9)Directional Valve Block Inflow Controller Options: Choose from a diverse 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 ensuring unparalleled precision and exceptional efficiency.
(10) Valve Core Function Symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific and intricate functional requirements.
(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, crafted to deliver 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 and stability.
(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 precise control and functionality that meets the highest standards.
(14) Operation modes: Immerse yourself in a versatile selection of operation modes designed to meet all your control needs. Choose from: A(1,2), manual operation with your choice of long or short handle; E, for electric proportional control; EA(1,2), which combines electric proportional control with manual operation; D, featuring electric switching value control; DA(1,2), a blend of electric switching value control with manual operation; M, manual friction positioning with a long handle; H, offering pure hydraulic control through pilot oil port alignment with oil ports A and B; F, with pure hydraulic control and perpendicular pilot oil ports. Each mode is meticulously engineered for comprehensive and accurate control, ensuring optimal performance.
(15) Ancillary block port sizes: Discover the power of our precision-engineered port size solutions, crafted for perfect adaptability and seamless integration into your systems. Our expertly designed selection includes: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unmatched flexibility and is precisely tailored to meet your specific requirements with exceptional efficiency and reliability.
(16) End plate options: Explore our unmatched array of expertly crafted end plate innovations. Begin with E1, renowned for external pilot oil discharge and external oil return control port T. Upgrade with E2, introducing an additional port Y for enhanced functionality. Experience the cutting-edge E3, which includes a 2-position 3-way magnetic ball valve, elevating system pressure to premier safety valve levels when energized, delivering superior performance and remarkable dependability.
E4, akin to E1, stands out with internal pilot oil discharge and a sealed port T. E5 retains the excellence of E2 but now features internal discharge capabilities. Embrace advanced technology with E6, mirroring E3's innovative design. Each variant is designed for superior discharge control, ensuring your system functions at peak efficiency and optimum performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our comprehensive range of tailored solutions. Select G12-12VDC, ideal for specialized applications needing top-notch safety and compatibility.G24: The pinnacle of steadfast performance and unwavering dependability, ensuring your operations run flawlessly.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, crafted for peak efficiency and adaptability in various demanding environments, guaranteeing robust performance.12: A symbol of precision and reliability, meticulously designed for seamless integration into your systems, ensuring flawless operation.bb621436: Representing the pinnacle of excellence, this code sets a benchmark in our groundbreaking design, underscoring our commitment to innovation and quality.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been at the forefront of the hydraulic industry, illuminating it with groundbreaking innovation and unmatched excellence. As a prestigious subsidiary of the distinguished China Baoan Group (stock code: 000009), we proudly uphold our status as a renowned national high-tech enterprise. Our expertise is 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 excellence and superior quality, positioning us as leaders in our field.
Our enhanced Safety Atex Valve is the flagship product epitomizing the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is crucial 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 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 standards 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 pivotal period, we embark on a journey of comprehensive preparations, ensuring excellence and precision at every stage. Our commitment to maintaining the highest standards of quality control guarantees that each Intelligent Proportional Valve for Innovative Truck Crane Safety Solutions reaches you in impeccable condition. Our unwavering dedication to achieving your complete satisfaction with our flawless delivery is at the core of our service.
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 unparalleled flexibility empowers you to effortlessly kickstart your projects, allowing you to cater specifically to your exclusive needs with unmatched convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: To initiate your order, simply convey your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, drawing upon either your detailed inputs or our expert recommendations. Upon finalizing the drawings and placement of a deposit, we will formalize the order and commence production. Rest assured, every specification will be met with precision, delivering a seamless and customized solution that flawlessly aligns with your vision for the Intelligent Proportional Valve.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. Ensure that you formally notify us prior to the initiation of production, and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your unique identity.
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