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 - Embodying the pinnacle of flawless engineering, this pump ensures a seamless and consistent workflow. Transform your systems into engineering masterpieces with unmatched precision and reliability, empowering your machinery to perform optimally.;
HLPSV: Variable Displacement Pump - A remarkable symbol of versatility and innovation, this pump seamlessly adapts to diverse operational needs. Its cutting-edge design enhances fluid transitions and control, keeping your system at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability unite to establish a robust operational framework. With meticulous attention to detail, these specifications ensure impeccable functionality and outstanding dependability in every application, providing a steadfast foundation for success.:
2-G3/8; This meticulously crafted design supports streamlined efficiencies with compact precision. Ideal for space-constrained environments, it promises exceptional performance without exception.
3-G1/2; Built for strength and reliability, this robust component fortifies your system's durability. Engineered to withstand rigorous conditions, it offers unwavering performance and resilience.;
4-G3/4; With advanced connectivity features, this component provides superior control and integration. Its sleek design elevates system efficiency, enhancing operational capabilities with remarkable finesse.;
5, 55-G1; Ideal for high-demand scenarios, this component delivers exceptional flow rates consistently. Designed for peak performance, it adeptly handles high-pressure challenges with precision and ease.;
6-G1 1/4; Engineered for exceptional performance, this component thrives in challenging environments. Surpassing expectations, it sets new standards in power and capability, managing demanding tasks effortlessly.;
(3) Additional Components and Specifications - Enhance your system's potential with cutting-edge components that redefine operational excellence. These advanced specifications elevate performance to new heights, transforming your operations into the ultimate benchmark of success.:
C,Standard Type - A meticulously crafted cornerstone, this component meets essential operational needs with unwavering support and reliability, enabling your system to reach its fullest potential.;
G,Throttle Valve (For HLPSL only) - Precision control is at your fingertips with this valve, enhancing efficiency by fine-tuning operations for optimal harmony and effectiveness across all components.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevate flow management with this valve, delivering unparalleled performance and reliability while exceeding conventional limits for exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions designed to cater to a vast spectrum of applications. Crafted with exceptional precision to align perfectly with your operational requirements, these options deliver extraordinary accuracy and synchronization with your strategic goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Embrace custom-engineered solutions that seamlessly align with your distinct operational demands. Experience customizable configurations that enable you to achieve your desired outcomes with remarkable ease and exceptional precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplify your system's efficiency and control to extraordinary levels: Expertly designed to enhance your system's performance, providing unmatched control and exceptional effectiveness that transforms your operational potential.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when activated, unloading it when deactivated; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Precision calibration that delivers exceptional system efficiency and adaptability.D/F - Presenting an advanced, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain a precisely designated pressure value, significantly enhancing advanced safety protocols and optimizing operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unparalleled pressure control for diverse applications with supreme precision.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, skillfully crafted to address a wide range of applications, ensuring you receive a product that integrates seamlessly with your specific needs, delivering consistently superior 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: Select from an expansive array of choices: 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 exact needs.
(10) Valve core function symbols: Explore a comprehensive 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: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unyielding dependability.
(12) Secondary Pressure Limitation Options: Experience unparalleled safety and reliability with our expertly engineered pressure limitation options, precisely calibrated in bar for your peace of mind. Select 'N' for operations without pressure limiting protection for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is essential, ensuring consistent performance. For tailored and independent control, choose 'A---B---', offering specialized management of ports A and B. Each option is meticulously designed to uphold the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Amplify your operational excellence with an array of customizable options tailored for peak performance. For straightforward operations, select 'N', which features no function ON/OFF or pressure outlet requirements. If your process demands enhanced control, 'X' paired with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse range of operation modes, each meticulously designed for unmatched versatility and precision. 'A(1,2)' offers manual operation with the option of a long or short handle, catering to your specific ergonomic needs. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability and responsiveness. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Elevate adaptability and performance with our meticulously engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to promise seamless system integration. Each choice is designed for unmatched adaptability, delivering peak performance across varying systems and operational demands, ensuring your system is always at its best.
(16) End Plate Options: Discover our expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' sets the standard with its external discharge of pilot oil and oil return control port T. 'E2' expands your capabilities with an additional port Y, offering enhanced flexibility. 'E3' is engineered for advanced performance with a 2-position, 3-way magnetic ball valve, enhancing 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 for optimized efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for the most demanding system requirements, ensuring your system is always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and secure voltage options, including the G12-12VDC, expertly designed for safety and reliability even in the most challenging environments. Our offerings provide specialized solutions and security tailored to any 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 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.
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