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 cornerstone of unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Unleash the pinnacle of power and precision with our bespoke pressure control solutions, expertly tailored to meet the wide-ranging demands of your applications. Each option is crafted with meticulous care to perfectly align with your operational goals, delivering accuracy and performance that stand unmatched.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the seamless integration of custom-engineered solutions designed to blend harmoniously with your specific operational requirements. These customizable configurations empower you to achieve the precision and outcomes you desire effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's control and efficiency to unparalleled heights. This expertly crafted component transforms your system's performance, offering control and effectiveness that redefine your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve: pressurizes the pump when powered, unloads it when unpowered; D - Normally closed magnetic ball valve: unloads the pump when powered, pressurizes it when unpowered. Precision tuning that endows your systems with unmatched adaptability and efficiency.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to maintain a designated pressure value with immaculate precision, significantly enhancing safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of adaptability and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes versatility, seamlessly satisfying every hydraulic requirement. The /NF configuration delivers systems sans a pressure limiting valve, expertly designed for HLPSV, offering unparalleled pressure control across varied applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, meticulously crafted to address every application, ensuring you procure a product that aligns seamlessly 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; Includes auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration, ensuring peak efficiency and seamless operation.
(9)Directional valve block inflow controller options: Pick from a broad 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 meticulously designed for precision and exceptional efficiency, crafted to your unique specifications.
(10) Valve core function symbols: Dive into an expansive selection of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous precision to fulfill specific functional requirements with unparalleled reliability and assurance.
(11) Output flow code for ports A & B: Unleash unmatched efficiency with our cutting-edge output flow options: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is engineered to deliver exceptional performance and reliability, ensuring your operations thrive effortlessly.
(12) Secondary Pressure Limitation Options: Discover remarkable safety and assurance with our precision-engineered pressure limitation choices, measured in bar. Select 'N' for operations without pressure restraint, perfect for straightforward tasks. Opt for 'C' to enable concurrent pressure limitations at actuator ports A & B, ensuring robust performance. For tailored, independent management, choose 'A---B---', offering precise control over ports A and B. Every selection promises the highest caliber of system integrity, securing and optimizing your operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with a selection of customizable options crafted for exceptional performance. For basic processes, 'N' provides no ON/OFF or pressure outlet needs. When advanced control is required, choose 'X' with C type pressure limitation, or 'S/S1' with AB type for enhanced oversight. For precise electrical control, select 'A' for ON/OFF on side A or 'B' for side B. Each option is designed to maximize accuracy, efficiency, and operational superiority.
(14) Operation Modes: Discover our array of operation modes, each meticulously crafted for outstanding versatility and accuracy. 'A(1,2)' offers manual operation with customizable handle lengths for ergonomic comfort. 'E' introduces sophisticated electric proportional control, while 'EA(1,2)' combines it with manual operation for ultimate adaptability and responsiveness. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual upgrades. Select 'M' for expert manual friction positioning with a long handle. For exclusive hydraulic control, 'H' and 'F' offer innovative pilot oil port designs, either aligned or perpendicular, granting comprehensive mastery over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and peak performance with our precisely designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to guarantee seamless system integration. Each selection promises unparalleled adaptability, delivering maximum performance across diverse systems and operational requirements, ensuring your system always operates at its highest potential.
(16) End Plate Options: Explore our expertly designed end plate solutions, each tailored to meet rigorous standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances your system with an additional port Y for increased flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', integrating advanced internal pilot oil discharge and a sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge for exceptional system performance. 'E6' encapsulates the sophisticated design of 'E3', providing advanced discharge control, perfect for the most demanding applications, keeping your system at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, expertly crafted for safety and reliability in challenging environments. Our solutions offer specialized security, tailored to any application, ensuring your system's stability and performance are consistently protected.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 within the hydraulic industry. As a renowned subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly uphold our stature as a national high-tech enterprise, committed to pioneering technological advancements and maintaining superior quality standards. Our profound expertise spans comprehensive research, cutting-edge development, precision manufacturing, and strategic marketing of premier hydraulic components. Hailed across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of elevating excellence, solidifying our leadership in the industry.
At the epicenter of our groundbreaking product lineup stands our flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes state-of-the-art hydraulic system control, designed meticulously for seamless integration into construction machinery and robust heavy-duty equipment. Its critical functionality spans across essential applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of crucial municipal service vehicles. Our unwavering commitment to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Driven 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, providing unparalleled services, and offering groundbreaking solutions. Aspiring to be recognized globally as a trusted supplier of premier hydraulic components, we continuously strive to set new milestones 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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