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 - At the heart of precision and reliability, this pump ensures your system operates with a seamless, constant flow. Elevate your equipment to new heights with this engineering marvel that promises unmatched consistency and efficiency.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and modern engineering, this pump is designed to meet diverse operational needs with finesse. Its innovative design enables effortless transitions and superior system control, keeping you at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Marrying precision with stability, these specifications form an unyielding backbone for your operations. Crafted with precision, they ensure unwavering performance and exceptional dependability in all situations, laying down a solid path for success.:
2-G3/8; Designed for compact efficiency, this configuration enhances operational capabilities in limited spaces. Precision-crafted to assure top-tier performance, it excels without compromising space or efficiency.
3-G1/2; Built for durability, this component serves as a reliable pillar for your system's resilience. Engineered to face harsh conditions, it promises steadfast strength and unwavering performance.;
4-G3/4; Engineered for refined connectivity, this design advances system integration and control. It enhances system efficiency, raising overall capabilities with precision and grace.;
5, 55-G1; Created for high-demand applications, this component offers remarkable flow rates. With a design focused on excellence, it handles high-pressure tasks with effortless precision and robust performance.;
6-G1 1/4; This component delivers top-notch performance in challenging environments. Surpassing expectations, it establishes new standards in power and capability, effortlessly managing demanding tasks.;
(3) Additional Components and Specifications - Infuse your system with state-of-the-art components, setting new benchmarks for operational excellence. These advanced features unlock unparalleled performance, transforming your operations into a paragon of success.:
C,Standard Type - The bedrock of reliability, thoughtfully engineered to fulfill core operational needs. This component ensures steadfast support, unlocking your system's full potential with unmatched dependability.;
G,Throttle Valve (For HLPSL only) - Attain precise control and optimize your system's efficiency with this valve. Fine-tuning operations for peak performance, it harmonizes components for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Pushing the boundaries of flow management, this valve enhances performance and reliability. It consistently delivers superior results, surpassing traditional standards.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Experience the harmony of precision engineering crafted to meet your specific needs. These options provide unmatched accuracy, aligning seamlessly with your operational goals for superior performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that integrate harmoniously with your unique demands. Revel in customizable configurations designed to help you achieve desired outcomes effortlessly and with impeccable precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to extraordinary levels. Expertly crafted to enhance performance, offering unmatched control and effectiveness that revolutionizes your operational capabilities, setting new standards in system management.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. Witness precision tuning delivering unmatched system efficiency and adaptability.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). Embrace this engineering marvel, crafted with immaculate precision to uphold a specifically designated pressure value, significantly enhancing advanced safety measures and operational security to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings spanning 63 to 400 bar levels. This component epitomizes adaptability, meeting every hydraulic requirement seamlessly. 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, consistently delivering 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 integration, ensuring optimal efficiency and operational excellence.
(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 your mining equipment's performance to new heights with our meticulously engineered output flow options. Bask in the glory of unparalleled efficiency with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each precision-crafted for supreme performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Unlock the pinnacle of safety and dependability with our ingeniously crafted pressure limitation features, each calibrated precisely in bar for your utmost assurance. Choose 'N' for straightforward tasks without pressure limiting protection. Opt for 'C' to apply simultaneous pressure limitation on actuator ports A & B, ensuring consistent excellence. For bespoke management, select 'A---B---', providing precise control over ports A and B. Every option is scrupulously designed to uphold system integrity, guaranteeing secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Supercharge your operational prowess with our customizable solutions, meticulously crafted for peak performance. For straightforward tasks, choose 'N', free of function ON/OFF and pressure outlet needs. If advanced control is paramount, select 'X' with C type pressure limitation or 'S/S1' paired with AB type limitation for superior command. For electrical precision, 'A' offers ON/OFF functionality on side A, and 'B' for side B. Each meticulously designed option ensures peak precision, efficiency, and operational brilliance.
(14) Operation Modes: Discover our versatile operation modes, each crafted with unparalleled precision and adaptability. 'A(1,2)' offers manual control with long or short handle options, tailored to ergonomic preferences. 'E' features cutting-edge electric proportional control, while 'EA(1,2)' blends this with manual operation for ultimate adaptability. 'D' delivers electric switching value control, with 'DA(1,2)' adding manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. For pure hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, either aligned or perpendicular, offering comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Revolutionize adaptability and performance with our precision-engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to guarantee seamless system integration. Each selection is crafted for unparalleled adaptability, ensuring peak performance across diverse systems and operational demands, keeping your system consistently at its best.
(16) End Plate Options: Experience our end plate solutions, each meticulously designed for maximum functionality and versatility. 'E1' introduces external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an additional port Y for enhanced flexibility. 'E3' is advanced, with 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', featuring cutting-edge internal discharge of pilot oil and a sealed port T, optimizing efficiency. 'E5' inherits 'E2's robust features with internal discharge for exceptional system performance. 'E6' embodies the sophistication of 'E3', offering avant-garde discharge control, ideal for demanding system requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, such as the G12-12VDC, crafted for safety and reliability in even the harshest environments. Our offerings deliver specialized solutions and security for any application, ensuring your system's stability and performance remain uncompromised.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 illuminated the hydraulic industry with its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the heart of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers expedites 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 devoted to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition to be recognized globally as a trusted supplier of premier hydraulic components, we continually strive to set new benchmarks 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}