Behold the dawn of a new era in hydraulic solutions with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are a symphony of engineering brilliance, the apex of innovative hydraulic technology. Seamlessly integrating pressure, flow, and directional control into a singular, harmonious entity, these valves ensure unparalleled performance and reliability in every endeavor. Comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for incorporation into elite hydraulic systems, which are indispensable for premier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Standout features include a sleek, compact design, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, offering unmatched performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Meanwhile, the HLPSV valves are masterfully designed for variable pump systems. While HLPSV valves may display a slightly slower response time, their exceptional energy-saving performance sets them apart, making them the ultimate selection when efficiency is of utmost importance. With state-of-the-art engineering and energy-efficient design, HLPSV valves rise to the top as the premier solution for advanced hydraulic control needs, offering a flawless combination of precision, reliability, and energy efficiency.
| 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 steadfast cornerstone of dependability, this component ensures unwavering and consistent performance, paving the way for seamless and efficient operations across your hydraulic system with unmatched reliability.;
HLPSV: Variable Displacement Pump - Representing the pinnacle of versatility and adaptability, this pump offers exceptional flexibility, effortlessly catering to a vast spectrum of operational requisites, ensuring your system is always equipped to meet diverse challenges.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to establish a robust and steadfast operational framework, ensuring your system operates at peak performance::
2-G3/8; Expertly crafted for compact efficiency, it is meticulously designed to support smooth and uninterrupted operational flows, ensuring seamless system functionality.
3-G1/2; Engineered for robust performance and unwavering dependability, this component offers a solid foundation for maintaining your system's integrity and operational excellence.;
4-G3/4; Featuring cutting-edge connectivity, this component offers superior control and enhances system integration, elevating your operational capabilities.;
5, 55-G1; With superior flow rates, it is meticulously designed for high-demand applications, ensuring consistent and reliable performance, even in the most challenging conditions.;
6-G1 1/4; Delivering peerless performance, this component is expertly crafted to thrive in challenging environments, tackling obstacles seamlessly while maintaining unwavering reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights with precision-engineered enhancements::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs, ensuring consistent and dependable functionality.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the system's overall efficiency and operational effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability throughout the system.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions, expertly tailored for diverse applications, empowering your system with adaptability and precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions that seamlessly align with your specific operational requirements, ensuring optimal performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with cutting-edge technology:C - No magnetic ball valve; F - Normally open magnetic ball valve, enabling pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered, and pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delve into unparalleled versatility and precision with customizable pressure settings spanning from 63 to 400 bar. This component epitomizes adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, note that /NF represents no pressure limiting valve, meticulously 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, masterfully crafted to meet diverse applications, offering you a product that aligns seamlessly with your precise 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.
(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, expertly designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Unlock a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with elite output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability.
(12) Secondary pressure limitation options: Select 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.
(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.
(14) Operation modes: Choose from an extensive range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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: Unleash the power of precision with our meticulously crafted port size options. Engineered for seamless adaptability and integration, choose from expertly designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each provides the pinnacle of flexibility, tailored to meet your exact requirements with unmatched efficiency.
(16) End plate options: Immerse yourself in our exceptional portfolio of finely tailored end plate solutions. E1 stands as the standard bearer, featuring an external discharge of pilot oil and an external oil return control port T. Elevate to E2 for an enhanced experience, offering an additional port Y. Discover the cutting-edge innovation of E3, which integrates a 2-position 3-way magnetic ball valve. This elevates your system's pressure to the pinnacle of safety valve levels when powered, ensuring unparalleled performance and reliability.
E4, akin to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's excellence, now with internal discharge capabilities. Step into the future with E6, echoing the advanced design of E3. Each variant promises superior discharge control, ensuring your system operates with peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive array of tailored solutions. Opt for G12-12VDC, ideal for specialized applications that demand absolute safety and compatibility without compromise.G24: Your go-to choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selections with these options, designed for maximum efficiency and adaptability in various demanding environments.12: A symbol of precision and reliability, tailored for impeccable integration into your systems.bb621436: The code of excellence representing a benchmark in our innovative design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become 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 emerge as a distinguished national high-tech enterprise. Our expertise is deeply rooted in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and superior quality. This unwavering dedication propels us to the forefront of our industry, making us leaders in our field.
Our enhanced Safety Atex Valve, the flagship product, epitomizes the pinnacle of advanced hydraulic system control. Skillfully 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 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 steadfast 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 period, we engage in comprehensive preparations and uphold the highest standards of quality control. This ensures that each product reaches you in pristine condition. Our unwavering goal is to secure your complete satisfaction through flawless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, allowing you the convenience of ordering as little as a single piece for sample verification. This flexibility empowers you to embark on your projects with ease and precision, seamlessly catering to your specific needs.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications. We will then provide a customized quote tailored specifically for you, either based on your unique needs or through our expert guidance. Once the drawings are finalized and a deposit is made, we will proceed to formalize the order and commence production. We guarantee strict adherence to specifications, ensuring a seamless and personalized solution.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 certainly possible. Please ensure you inform us before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with exceptional precision and quality, perfectly reflecting your identity.
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