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 - This pump stands as the unwavering core of excellence, ensuring consistent and smooth operations. Transform your hydraulic system into a masterpiece of engineering, where reliability meets precision, empowering your machinery to achieve phenomenal performance.;
HLPSV: Variable Displacement Pump - Embrace flexibility and innovation with this pump, designed to adapt seamlessly to diverse operational needs. Its cutting-edge design facilitates smooth transitions and precise control, keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - The pinnacle of precision and reliability, these specifications form a solid operational framework. With meticulous craftsmanship, they ensure impeccable performance across all applications, laying a robust foundation for enduring success.:
2-G3/8; Compact yet mighty, this design enhances operational efficiency with precision, ideal for space-limited applications, delivering exceptional performance with no compromises.
3-G1/2; Built for strength and reliability, this component is the backbone of your system's endurance, crafted to withstand the most demanding environments with unwavering durability.;
4-G3/4; This component boasts advanced connectivity, offering superior control and integration to elevate system efficiency, enhancing operational capability with sophisticated finesse.;
5, 55-G1; Designed for exceptional flow rates in high-demand scenarios, this component ensures consistent performance, meeting high-pressure challenges with ease and precision.;
6-G1 1/4; Excel in challenging environments with this component, engineered to exceed expectations, setting new benchmarks in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that set new standards in operational excellence, transforming your operations into benchmarks of success.:
C,Standard Type - A reliable foundation, finely crafted to meet essential operational needs. This component offers steadfast support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to boost your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring harmonious component synergy for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimize flow management to achieve extraordinary performance and reliability, pushing beyond conventional limits to deliver exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience the epitome of power and control with our tailored pressure control solutions. Crafted to perfection, these options deliver exceptional precision and customization, aligning seamlessly with your unique operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing bespoke solutions that seamlessly integrate with your operational needs. Our customizable configurations are designed to empower you with precision, ensuring your desired outcomes are achieved effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionize your system's efficiency and control: Expertly crafted, this valve enhances performance, offering extraordinary control and effectiveness, redefining 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. Achieve unmatched system efficiency and adaptability with our precision tuning.D/F - Discover our cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with immaculate precision to maintain a designated pressure level, significantly enhancing safety and optimizing operational reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your versatility and precision aspirations with adjustable settings ranging from 63 to 400 bar. This adaptable component seamlessly fulfills every hydraulic need. The /NF configuration, designed for HLPSV, offers unparalleled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - Embodying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle in design, meticulously crafted to meet every application, ensuring a product that aligns perfectly with your requirements, delivering exceptional performance consistently.
(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, engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive range: 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 offering precision and exceptional efficiency, customized to your needs.
(10) Valve core function symbols: Explore our extensive array of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous precision to meet specific functional requirements, ensuring unmatched 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 unwavering dependability.
(12) Secondary Pressure Limitation Options: Dive into a realm of unparalleled safety and unwavering reliability with our expertly engineered pressure limitation options. These are precisely calibrated in bar to offer you peace of mind. For operations that do not require pressure limiting, select 'N' for straightforward tasks. Choose 'C' when simultaneous pressure limitation on actuator ports A & B is critical, ensuring performance remains consistently high. For tailored, independent control, 'A---B---' offers specialized management of ports A and B, each meticulously designed to uphold the highest standards of system integrity. Rest assured, your operations will remain secure and highly efficient.
(13) Function ON/OFF and Pressure Outlet Options: Propel your operations to exceptional heights with our customizable options, crafted for peak performance. For uncomplicated operations, select 'N', which requires no function ON/OFF or pressure outlet. If enhanced control is necessary, 'X' with C type pressure limitation is perfect, or 'S/S1' with AB type pressure limitation for superior management. For precise electrical control, 'A' provides ON/OFF functionality for side A, while 'B' caters to side B. These options are meticulously designed to guarantee maximum precision, efficiency, and operational excellence at all times.
(14) Operation Modes: Discover our extensive range of operation modes, each masterfully crafted for versatility and precision. 'A(1,2)' delivers manual operation with a choice of long or short handle, tailored to your ergonomic preferences. 'E' offers sophisticated electric proportional control, while 'EA(1,2)' blends this with manual operation for ultimate adaptability and responsiveness. 'D' presents electric switching value control, enhanced by 'DA(1,2)' for manual refinements. Opt for 'M' for expert manual friction positioning with a long handle. For purely hydraulic control, 'H' and 'F' boast unique pilot oil port designs, either aligned or perpendicular, ensuring complete control and mastery of your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure perfect system integration. Each choice is designed for unrivaled adaptability, delivering peak performance across diverse systems and operational needs, ensuring your system is always performing at its best.
(16) End Plate Options: Uncover our expertly crafted end plate solutions, each designed to exceed the highest standards of functionality and versatility. 'E1' sets the benchmark with external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an additional port Y, granting enhanced flexibility. 'E3' is engineered for superior performance, featuring a 2-position, 3-way magnetic ball valve that boosts system pressure to safety valve levels when activated, promising exceptional functionality and reliability.
E4 mirrors 'E1', incorporating cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge for superior system performance. 'E6' epitomizes the sophisticated design of 'E3', providing 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 secure and robust voltage options, including the G12-12VDC, meticulously engineered for safety and reliability even under the most challenging conditions. Our solutions offer specialized security and stability, tailored to any application, ensuring your system's performance and safety are never in question.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation within the hydraulic industry, tirelessly pursuing groundbreaking advancements and unmatched excellence. As a reputable subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, consistently dedicated to pioneering technological breakthroughs and maintaining the highest quality standards. Our outstanding expertise spans comprehensive research, state-of-the-art development, precision manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our mission to perpetually enhance our standards of excellence, solidifying our leadership position in the industry.
Leading our innovative product suite is our flagship creation: the Enhanced Safety Atex Valve. This pinnacle of modern engineering sets new standards in hydraulic system control, expertly designed for seamless integration into construction machinery and heavy-duty equipment. Its vital functionality is indispensable across key sectors, including life-saving emergency rescue operations, intricate tunnel engineering, ambitious mining projects, and the operation of crucial municipal service vehicles. Our unwavering commitment to forming strategic collaborations with top domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our foundational philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to crafting exceptional products, delivering unparalleled services, and providing groundbreaking solutions. With a vision to be globally acknowledged as a trusted supplier of premier hydraulic components, we continuously strive to set 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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