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 foundation of unwavering excellence, providing your system with a consistent, fluid workflow. Unlock the potential of your machinery with precision and unparalleled reliability.;
HLPSV: Variable Displacement Pump - A testament to adaptability and innovation, expertly designed to meet diverse operational demands with agility and control. Keep your system at the forefront of progressive performance.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability in these robust specifications, crafted to elevate performance and dependability across applications, providing the bedrock for operational success.:
2-G3/8; Compact yet proficient, this design supports efficient operations in constrained spaces, ensuring top-tier performance seamlessly.
3-G1/2; Designed for resilience, this component fortifies your system's durability and strength, withstands rigorous conditions with ease.;
4-G3/4; Featuring cutting-edge connectivity, this component enhances control and system efficiency, optimizing overall operational capability.;
5, 55-G1; Delivering exceptional flow rates, this robust component excels under high-pressure demands, consistently performing with precision.;
6-G1 1/4; Engineered for unparalleled performance in challenging environments, this component sets new standards in power and capability.;
(3) Additional Components and Specifications - Enhance your system with advanced components that redefine operational excellence, transforming performance into industry-leading success.:
C,Standard Type - This foundational component delivers reliable performance, empowering your system to reach its full potential with stability.;
G,Throttle Valve (For HLPSL only) - Fine-tune control for enhanced efficiency, ensuring harmonious operation for maximum system effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for outstanding performance and reliability, surpassing conventional expectations consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience unrivaled strength and precision with our bespoke pressure control solutions, perfectly adapted to suit a vast array of applications. Each option is crafted with meticulous accuracy to align seamlessly with your operational objectives, ensuring unmatched performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Redefine your operations with our custom-engineered solutions that integrate flawlessly with your unique requirements. Our configurations are designed to empower you, delivering your desired results with effortless precision and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's efficiency and control to unparalleled heights: Expertly crafted to refine your system's performance, offering unmatched precision and transformative effectiveness in advancing 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. Our precision tuning offers unrivaled system efficiency and adaptability, tailored to your specific needs.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with unparalleled precision to maintain a specific pressure value, thereby enhancing safety measures and optimizing operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar. This component is the embodiment of adaptability, seamlessly catering to every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, engineered with precision for HLPSV, providing unparalleled pressure control across various applications.
(7) Product Series Classification - Unmatched Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, expertly crafted to meet diverse application needs, ensuring you receive a product that integrates seamlessly with your specific demands, delivering consistent and 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, precisely engineered for flawless integration, ensuring optimal efficiency and performance.
(9)Directional valve block inflow controller options: Select from an extensive range 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. Each option is pre-selectable, offering precision and exceptional efficiency, customized to meet your exact specifications.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements with extraordinary precision and dependability.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for peak performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our expertly engineered pressure limitation options, each precision-calibrated in bar for your ultimate peace of mind. Select 'N' for operations free of pressure limiting protection, ideal for straightforward tasks. Choose 'C' for synchronous pressure limitation on actuator ports A & B, which ensures a consistent and steady performance. For those requiring tailored and independent control, opt for 'A---B---', offering specialized management of ports A and B. Every option is carefully designed to maintain the highest standards of system integrity, keeping your operations secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with a selection of customizable options, crafted for peak performance. For basic operations, choose 'N', offering no function ON/OFF or pressure outlet prerequisites. When your process demands heightened control, 'X' in combination with C type pressure limitation is perfect, or select 'S/S1' alongside AB type pressure limitation for superior governance. For electrical precision, 'A' offers ON/OFF functionality on side A, while 'B' caters to side B. Each option is meticulously tailored to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our comprehensive array of operation modes, each crafted for extraordinary versatility and precision. 'A(1,2)' provides manual operation with a choice of long or short handles, attuned to your ergonomic preferences. 'E' delivers advanced electric proportional control, while 'EA(1,2)' integrates this with manual operation for ultimate adaptability and responsiveness. 'D' features electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Opt for 'M' to experience expert manual friction positioning with a long handle. For wholly hydraulic operations, 'H' and 'F' present unique pilot oil port designs, either aligned or perpendicular, offering comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our excellently engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each option is crafted for exceptional adaptability, providing peak performance across diverse systems and operational needs, ensuring your system functions at its utmost potential.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to the highest standards of functionality and adaptability. 'E1' establishes the norm with its external discharge of pilot oil and oil return control port T. 'E2' extends your capabilities with an additional port Y, offering increased flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated, ensuring exceptional functionality and reliability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for superior system performance. 'E6' captures the sophisticated design of 'E3', delivering advanced discharge control, ideal for the most demanding system requirements, ensuring your system remains at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, including the G12-12VDC, meticulously designed for safety and reliability even in the harshest environments. Our selections provide specialized solutions and security tailored to every application, ensuring your system's stability and performance are 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 notable subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. This status reflects our steadfast commitment to pioneering technological breakthroughs and maintaining the highest quality standards. Our profound expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we remain dedicated to perpetually raising our excellence standards, solidifying our leadership in the industry.
Central to our trailblazing product portfolio is our flagship creation: the Enhanced Safety Atex Valve. This masterpiece of contemporary engineering exemplifies the pinnacle of hydraulic system control. It is meticulously designed for seamless integration into construction machinery and durable heavy-duty equipment. Its essential functionality spans critical applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of vital municipal service vehicles. Our unwavering dedication to forging strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Driven by our core ethos-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to producing superior products, delivering unparalleled services, and offering revolutionary solutions. Aspiring to be globally recognized as a trusted supplier of top-tier hydraulic components, we continually endeavor 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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