Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, crucial for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix of precision, reliability, and 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 - The backbone of consistent excellence, this pump ensures your system operates with unmatched precision and reliability. Transform your machinery into a marvel of engineering brilliance and experience its steadfast dependability.;
HLPSV: Variable Displacement Pump - A pinnacle of flexibility and innovation, designed to meet a wide range of operational needs. Its forward-thinking design offers fluid transitions and superior control, keeping your system at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability to create a robust operational framework. With meticulous craftsmanship, these specifications ensure impeccable performance and heightened dependability, laying a solid foundation for success.:
2-G3/8; This compact design supports streamlined efficiencies with exactness. Engineered for space-limited settings, it offers remarkable performance without compromise, ensuring operational brilliance.
3-G1/2; Built for strength and dependability, this component serves as a robust backbone, enduring demanding conditions with consistent durability and performance.;
4-G3/4; Advanced connectivity defines this component, providing unmatched control and integration. Its sophisticated design enhances system efficiency and elevates overall operational capability.;
5, 55-G1; Deliver exceptional flow rates in high-demand situations, ensuring robust and consistent performance. Designed for excellence, it effortlessly addresses high-pressure challenges with precision.;
6-G1 1/4; Excelling in harsh environments, this component surpasses expectations in power and capability. It sets new standards in performance, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Enhance your system's capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock newfound levels of performance, transforming your operations into a model of success.:
C,Standard Type - A trusted foundation, crafted to meet essential operational demands. It offers unwavering support and reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to boost your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizing flow management, this valve drives extraordinary performance and reliability, delivering exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options provide unmatched accuracy and alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Precision tuning that provides unmatched system efficiency and adaptability.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an exhaustive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each offering precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Elevate system performance to unparalleled heights with our available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is precision-engineered for peak efficiency and unwavering reliability in your hydraulic systems.
(12) Secondary Pressure Limitation Options: Unleash a new level of safety and precision with our expertly engineered pressure limitation options. Choose 'N' for applications without pressure limiting protection - perfect for straightforward tasks. For critical operations requiring simultaneous pressure limitation on actuator ports A & B, opt for 'C' to ensure consistent performance. For bespoke control, 'A---B---' offers tailored and independent management of ports A and B. Every option is crafted to uphold superior system integrity, maintaining security and operational efficiency across all applications.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your operational capabilities with our diverse array of customizable options. For basic operations, 'N' provides a no-frills approach, with no function ON/OFF or pressure outlet requirements. For enhanced control, 'X' combined with C type pressure limitation offers excellent management, while 'S/S1' with AB type pressure limitation ensures superior oversight. Opt for 'A' or 'B' for precise electrical ON/OFF functionality on sides A or B, respectively. Each selection guarantees precision, efficiency, and excellence in your operations.
(14) Operation Modes: Dive into a spectrum of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' caters to manual operation with ergonomic long or short handle choices. For sophisticated control, 'E' delivers advanced electric proportional control, while 'EA(1,2)' blends this with manual input for optimal adaptability and responsiveness. 'D' features electric switching value control, with 'DA(1,2)' adding manual finesse. Expert manual friction positioning is available with 'M', using a long handle. For hydraulic mastery, 'H' and 'F' provide unique pilot oil port designs-aligned or perpendicular-ensuring comprehensive control over your systems.
(15) Ancillary Block Port Sizes: Optimize your system's adaptability and performance with our meticulously engineered port size options, including /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each size promises seamless integration, tailored for exceptional adaptability and performance across varying systems and operational demands, ensuring your system operates at peak efficiency.
(16) End Plate Options: Discover top-tier end plate solutions designed for optimal functionality and adaptability. 'E1' provides an excellent framework with external discharge of pilot oil and oil return control port T. Expand your operational scope with 'E2', which includes an additional port Y for increased flexibility. For superior performance, 'E3' integrates a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels upon activation, guaranteeing outstanding functionality and reliability.
E4 mirrors 'E1', presenting advanced internal discharge of pilot oil and a sealed port T for peak efficiency. 'E5' builds upon 'E2' with internal discharge for robust system performance. 'E6' embodies the elevated design of 'E3', offering advanced discharge control, tailored for demanding system requirements, ensuring your system maintains cutting-edge efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our durable and secure voltage options, such as the G12-12VDC, engineered for safety and reliability in even the most challenging environments. Our selection provides specialized solutions and ensures security across all applications, maintaining system stability and performance without compromise.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a brilliant beacon of innovation and excellence in the hydraulic industry. As a highly esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, showcasing our unwavering dedication to technological breakthroughs and superior quality. Our remarkable expertise spans comprehensive research, avant-garde development, precision manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to continuously elevate our exceptional standards, further solidifying our status as industry leaders.
At the forefront of our groundbreaking product lineup is the flagship marvel: the Enhanced Safety Atex Valve. This pinnacle of modern engineering epitomizes cutting-edge hydraulic system control, meticulously designed for flawless integration into construction machinery and robust heavy-duty equipment. Its vital functionality extends to critical applications such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining ventures, and the operation of indispensable municipal service vehicles. Our unwavering commitment to forging strategic partnerships with leading domestic manufacturers accelerates the localization of 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 devoted to crafting exceptional products, delivering unparalleled services, and offering pioneering solutions. With ambitions to achieve global recognition as a trusted supplier of premier hydraulic components, we tirelessly strive to set new standards of excellence on the international 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 timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 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, perfectly capturing your identity.
){kind=link}