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 - Witness the epitome of engineering brilliance with this pump, offering unwavering consistency and elevating your system to a masterpiece of precision. It ensures your operations are seamlessly smooth and extraordinarily reliable, setting new standards in operational excellence.;
HLPSV: Variable Displacement Pump - Embodying the essence of adaptability and progress, this pump is designed for diverse operational needs. It seamlessly allows for smooth transitions and provides unmatched control, keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability in these meticulously crafted specifications. They ensure flawless performance and steadfast reliability, establishing a solid foundation for your operational success.:
2-G3/8; This compact design ensures efficient operations in restricted spaces, providing precision without compromise. Engineered for excellence, it supports streamlined functionalities with optimal performance.
3-G1/2; Designed for strength and consistency, this component is the backbone of endurance, built to thrive under demanding conditions and deliver unwavering durability.;
4-G3/4; With state-of-the-art connectivity, this component enhances control and integration, boosting system efficiency and operational capability with elegance.;
5, 55-G1; Providing exceptional flow rates for demanding situations, this component excels in high-pressure scenarios, delivering robust and consistent performance.;
6-G1 1/4; Capable of handling tough conditions, this component surpasses expectations with its extraordinary performance and sets new benchmarks in power and capability.;
(3) Additional Components and Specifications - Enhance your system with components designed to redefine operational excellence. These advanced specifications unlock unprecedented levels of performance, setting a new standard of success.:
C,Standard Type - A solid and reliable foundation, crafted to meet essential demands, providing unwavering support and empowering your system to reach its full potential with unmatched dependability.;
G,Throttle Valve (For HLPSL only) - Achieve unmatched precision control to optimize system efficiency. This valve meticulously fine-tunes operations, ensuring all components work in perfect harmony for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve excels in flow management, driving outstanding performance and reliability. It breaks through conventional limits, consistently delivering exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with our custom pressure control solutions, meticulously tailored for diverse applications. Expertly crafted to meet your precise needs, these options deliver unmatched accuracy and alignment with your operational goals, ensuring a superior level of control.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience our custom-engineered solutions that seamlessly integrate with your unique operational demands. Avail yourself of customizable configurations that empower you to achieve desired outcomes effortlessly, with unprecedented precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to unparalleled heights. Expertly crafted, this valve boosts your system's performance, providing unmatched control and revolutionary effectiveness that transform 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. Benefit from precision tuning that offers unmatched system efficiency and adaptability.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to uphold a specifically designated pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience 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 offers systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series epitomizes a masterclass in design, skillfully crafted to address every application need, ensuring you receive a product that seamlessly aligns with your specific requirements and delivers 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 to ensure optimal efficiency.
(9)Directional valve block inflow controller options: Select 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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each offering precision and exceptional efficiency, tailored to your unique needs.
(10) Valve core function symbols: Discover an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Unlock a new realm of safety and reliability with our precision-engineered pressure limitation features, calibrated in bar for your assurance and peace of mind. Choose 'N' for operations free from pressure limiting protection, perfect for straightforward tasks. Elevate your control with 'C', essential for simultaneous pressure limitation on actuator ports A & B, ensuring consistent and reliable performance. For bespoke, independent pressure management, select 'A---B---', offering specialized control over ports A and B. Every option is meticulously crafted to maintain the pinnacle of system integrity, ensuring your operations are both secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with our diverse range of customizable options, designed to drive peak performance. Opt for 'N' for simple operations, requiring no function ON/OFF or pressure outlet. Demand more control? 'X' with C type pressure limitation is your go-to, or 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical control, 'A' provides ON/OFF functionality on side A, while 'B' does so for side B. Each option is meticulously crafted for maximum precision, efficiency, and operational superiority, ensuring your systems perform at their very best.
(14) Operation Modes: Engage with our extensive selection of operation modes, each meticulously designed for unparalleled versatility and precision. 'A(1,2)' offers manual operation, available with either a long or short handle to suit your ergonomic preferences. 'E' brings advanced electric proportional control, while 'EA(1,2)' merges this with manual operation for superior adaptability and responsiveness. For electric switching value control, 'D' is at your service, complemented by 'DA(1,2)' for manual enhancements. Opt for 'M' for manual friction positioning with an extended handle. For hydraulic operations, 'H' and 'F' present unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your systems.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, ensuring seamless integration across various systems. Each choice is crafted for exceptional adaptability and performance across a spectrum of operational demands, guaranteeing your system remains at its peak.
(16) End Plate Options: Uncover our expertly designed end plate solutions, crafted to surpass the highest standards of functionality and versatility. 'E1' establishes the benchmark with its external discharge of pilot oil and control port T for oil return. 'E2' enhances capabilities with an additional port Y, offering increased flexibility. 'E3' is engineered for advanced performance, featuring a 2-position, 3-way magnetic ball valve that enhances system pressure to safety valve levels upon activation, ensuring superior functionality and reliability.
E4 mirrors 'E1', with cutting-edge internal discharge of pilot oil and a sealed port T, optimizing efficiency. 'E5' combines the superior features of 'E2' with internal discharge, boosting system performance. 'E6' encapsulates the innovative design of 'E3', offering advanced discharge control, ideal for high-demand systems, ensuring your system stays at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, like the G12-12VDC, crafted for safety and reliability even in the most challenging environments. Our solutions are specialized to ensure stability and performance, providing security tailored to any application, so your system's integrity is never compromised.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 beacon of innovation and excellence in the hydraulic industry. As a renowned subsidiary of the respected China Baoan Group (stock code: 000009), we are proud to be a national high-tech enterprise committed to cutting-edge technological progress and the highest quality standards. Our profound expertise covers extensive research, leading-edge development, precision manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our mission to continually elevate our standards, reinforcing our leadership in the industry.
At the core of our pioneering product offerings stands our hallmark creation: the Enhanced Safety Atex Valve. This modern engineering marvel epitomizes advanced hydraulic system control, expertly crafted for flawless integration into construction machinery and robust heavy-duty equipment. Its critical applications span life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our unwavering commitment to 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 dedicated to producing exceptional products, delivering unparalleled services, and providing groundbreaking solutions. Aspiring to be globally acknowledged as a trusted supplier of premier hydraulic components, we relentlessly strive to establish 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.
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