Experience the genesis of a transformative era in the realm of hydraulic solutions with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they represent a masterful symphony of engineering excellence, epitomizing the pinnacle of cutting-edge hydraulic technology. These valves seamlessly blend pressure, flow, and directional control into a singular, cohesive masterpiece, ensuring unrivaled performance and dependability in every application. Consisting of three core functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into elite hydraulic systems, which are vital for top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a sophisticated, compact design, exceptional energy efficiency, and the capability for continuous speed control. Moreover, they empower multiple actuators to function simultaneously under diverse loads, offering exceptional performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and reliable performance in every scenario. Meanwhile, the HLPSV valves are expertly designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, their extraordinary energy-saving capabilities distinguish them, making them the ideal choice when efficiency is paramount. With advanced engineering and energy-efficient design, HLPSV valves emerge as the foremost solution for sophisticated hydraulic control requirements, delivering an impeccable fusion 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 - This steadfast cornerstone of dependability ensures flawless and continuous performance, maintaining seamless and efficient operation across your entire system.;
HLPSV: Variable Displacement Pump - Representing the pinnacle of versatility and adaptability, this pump delivers unmatched flexibility to meet a comprehensive array of operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and reliability unite here, forming a robust operational framework::
2-G3/8; Crafted for optimized efficiency, this port is designed to facilitate smooth and uninterrupted operational flow, enhancing system functionality.
3-G1/2; Meticulously engineered for robust performance and unwavering reliability, providing a solid foundation for your system's integrity.;
4-G3/4; With advanced connectivity design, this component ensures superior control and enhances system integration for optimal performance.;
5, 55-G1; Perfect for high-demand applications, delivering superior flow rates and ensuring dependable, consistent performance.;
6-G1 1/4; Engineered for unmatched performance, this component is expertly crafted to excel in challenging environments and effortlessly tackle obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to new, unparalleled heights::
C,Standard Type - A bedrock of reliability, meticulously crafted to fulfill essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control precision, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions designed for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions that seamlessly align with your precise operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new heights:C - No magnetic ball valve; F - Normally open magnetic ball valve, allowing pump pressurization when powered and unloading when unpowered; D - Normally closed magnetic ball valve, supporting pump unloading when powered and pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, masterfully crafted for secondary pressure (F50). This state-of-the-art innovation guarantees advanced safety protocols, significantly enhancing operational security and reliability, ensuring peace of mind and seamless functionality.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embark on a journey of groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications, consistently delivering performance excellence.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-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, ensuring unparalleled performance and reliability.
(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, ensuring seamless flow and unmatched precision.
(9)Directional valve block inflow controller options: Select 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, meticulously designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency, tailored to meet 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 optimal performance and satisfaction.
(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, empowering your systems with exceptional fluid management.
(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 operational excellence.
(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 functionality, providing versatility and adaptability to your systems.
(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, meticulously crafted for comprehensive and precise control, ensuring unmatched precision and adaptability.
(15) Ancillary block port sizes: Unlock the epitome of engineering precision with our expertly crafted port sizes, meticulously designed for flawless adaptability and seamless integration. Select from a range of strategically engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each is a testament to flexibility, meticulously crafted to fulfill your specific requirements with unparalleled efficiency and precision.
(16) End plate options: Dive into our world of premium end plate solutions, where every option is a masterpiece of tailored engineering. E1 sets the standard with its external discharge of pilot oil and a control port T for external oil return. For an elevated experience, choose E2 with an added port Y. E3 showcases our cutting-edge innovation, featuring a 2-position 3-way magnetic ball valve. This ensures that when powered, your system's pressure reaches the zenith of safety valve standards, delivering unmatched reliability and performance.
E4, similar to E1, differentiates itself with an internal discharge of pilot oil and a sealed port T. E5 replicates the excellence of E2, now enhanced with internal discharge features. Welcome the future with E6, echoing the advanced E3 design. Each variant is crafted to deliver superior discharge control, guaranteeing your system operates with optimal efficiency and superior performance.
(17) Control voltage and anti-explosion cable options: Elevate your system's safety and reliability with our comprehensive suite of customized solutions. Choose G12-12VDC for specialized applications that demand uncompromising safety and compatibility.G24: The ultimate choice for robust performance and unwavering reliability, ensuring your operations run smoothly.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Maximize your strategic decisions with these options, designed for exceptional efficiency and adaptability across various challenging environments.12: A hallmark of precision and reliability, crafted for flawless integration into your systems.bb621436: The benchmark code of excellence, embodying innovation in every aspect of our design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly hold the esteemed title of a national high-tech enterprise. Our core expertise is rooted in the detailed research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological progress and superior quality. This steadfast dedication positions us as a leader in our field, allowing us to continually drive innovation and set new standards in hydraulic technology.
Our enhanced Safety Atex Valve stands as the flagship product, representing the pinnacle of sophisticated hydraulic system control. Crafted with precision for construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical operations such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing a crucial role in the localization of core hydraulic components for top-tier 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 unparalleled products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, continuously setting new benchmarks of excellence on the world stage.
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 undertake meticulous preparations, ensuring that every product is crafted with precision and subjected to rigorous quality control processes. Our unwavering commitment is to deliver each item to you in impeccable condition, securing your utmost satisfaction with our 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 to conveniently order as little as a single piece for sample verification. This flexibility empowers you to initiate your projects with ease and precision, seamlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start by communicating your detailed requirements or intended applications to us. We will then create a tailored quote specifically for you, based either on your unique needs or through our seasoned advice. Once we finalize the drawings and receive your deposit, we will formalize the order and initiate production. We promise to adhere to every specification with precision, ensuring a smooth and bespoke solution crafted just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed with perfection, creating a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, ensuring your identity is perfectly captured.
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