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 steadfast reliability, this pump ensures a seamless and harmonious workflow. Transform your system with this precision-engineered marvel, empowering your machinery to perform with unrivaled accuracy and consistency.;
HLPSV: Variable Displacement Pump - A beacon of versatility and modernity, this pump delivers extraordinary adaptability for myriad operational scenarios. Its avant-garde design facilitates smooth transitions and precise control, positioning your system at the forefront of technological excellence.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability coalesce to establish a formidable operational base. Crafted with unparalleled attention to detail, these specifications ensure flawless performance and supreme dependability, laying a steadfast foundation for success.:
2-G3/8; This design epitomizes compact expertise, facilitating streamlined operational efficacy with impeccable precision. Expertly crafted for constricted spaces, it delivers exceptional performance without compromise.
3-G1/2; Built for resilience and reliability, this component forms the robust backbone of your system's endurance. Designed to endure demanding conditions, it promises steadfast durability and performance.;
4-G3/4; Featuring state-of-the-art connectivity, this component offers unrivaled control and integration. Its sophisticated design enhances system efficiency, elevating overall operational prowess with precision.;
5, 55-G1; Delivering exceptional flow rates for high-stakes applications, this component ensures robust, consistent performance. Engineered for excellence, it navigates high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component thrives in challenging environments. Engineered to exceed expectations, it sets new standards in power and capability, tackling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Amplify your system's capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock unprecedented levels of performance, transforming your operations into a paradigm of success.:
C,Standard Type - A stalwart foundation, meticulously engineered to fulfill essential operational needs. This component delivers unwavering support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Attain precise control to maximize your system's efficiency. This valve fine-tunes operations for peak effectiveness, ensuring all components function in perfect harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering unparalleled performance and reliability. Surpassing traditional limits, it guarantees exceptional outcomes every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the epitome of power and precision with our bespoke pressure control solutions, designed to cater to a wide range of applications. These options are engineered with meticulous accuracy to align seamlessly with your operational aspirations, delivering unparalleled performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing tailored solutions that adeptly integrate with your unique operational needs. Enjoy the freedom of customizable configurations that empower you to achieve your operational objectives with ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's effectiveness with this expertly crafted solution, designed to enhance performance and provide exceptional control, redefining your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump and unloading when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized and pressurizing when de-energized. Precision-tuned for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously crafted pressure limiting valve for secondary pressure (F50). This engineering marvel is precision-designed to maintain a specific pressure value, significantly enhancing safety measures and optimizing operational reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility with adjustable settings ranging from 63 to 400 bar. This component exemplifies adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, meticulously engineered for HLPSV, ensuring unrivaled precision in pressure control for diverse applications.
(7) Product Series Classification - Embodying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, expertly crafted to meet diverse applications. Expect a product that perfectly 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, engineered for flawless integration, ensuring maximum efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically for the N 3/3-way valve; 5, enhanced inflow controller. Explore pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific requirements.
(10) Valve core function symbols: Delve into a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Unlock unparalleled efficiency with our maximum output flows tailored to enrich your operational prowess: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is a testament to supreme performance and steadfast reliability, ensuring your systems operate at peak efficiency.
(12) Secondary Pressure Limitation Options: Secure unrivaled safety and steadfast reliability with our meticulously crafted pressure limitation options, precisely calibrated in bar for your peace of mind. Choose 'N' for streamlined tasks without pressure limiting features, or select 'C' for synchronous pressure control on actuator ports A & B, ensuring consistent and reliable performance. For bespoke and independent control, 'A---B---' provides specialized management of ports A and B, each option crafted to uphold top-tier system integrity, safeguarding your operations with efficiency and security.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational excellence with our customizable options tailored for supreme performance. For straightforward processes, 'N' offers a hassle-free approach without function ON/OFF or pressure outlet needs. When your operations demand heightened control, choose 'X' with C type pressure limitation or opt for 'S/S1' with AB type pressure limitation for comprehensive oversight. For precision, select 'A' for ON/OFF functionality on side A, or 'B' for side B. Each option is crafted to maximize precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our versatile range of operation modes, crafted for unmatched precision and adaptability. 'A(1,2)' caters to ergonomic needs with manual operation and adjustable handle lengths. 'E' introduces advanced electric proportional control, while 'EA(1,2)' merges it with manual operation for enhanced adaptability. 'D' offers electric switching value control, augmented by 'DA(1,2)' for manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' provide unique pilot oil port alignments, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Enhance your system's 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 seamless integration. Each selection promises unmatched versatility, delivering peak performance across diverse systems and operational demands, ensuring your setup consistently operates at its best.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to meet top-tier standards of functionality and adaptability. 'E1' offers external discharge of pilot oil with oil return control port T. 'E2' provides enhanced flexibility with an added port Y. 'E3' excels in performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior functionality and system reliability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' amalgamates the resilient features of 'E2' with internal discharge, ensuring superior system performance. 'E6' embodies the refined design of 'E3', offering sophisticated discharge control, perfect for high-demand 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 voltage options, including G12-12VDC, designed for safety and reliability in the harshest environments. Our solutions provide specialized security and stability tailored to any application, ensuring your system's performance remains 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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are a prestigious national high-tech enterprise. Our mission is clear: to revolutionize technology while maintaining impeccable quality standards. Our expertise spans comprehensive research, pioneering development, precise manufacturing, and strategic marketing of premier hydraulic components. Esteemed nationwide as a 'specialized, refined, and innovative' small giant enterprise, our commitment to excellence remains unwavering, continuously fortifying our leadership position within the industry.
Introducing a cornerstone of our groundbreaking portfolio: the Enhanced Safety Atex Valve. This remarkable feat of modern engineering is a beacon of hydraulic system control, designed with precision for flawless operation within construction machinery and heavy-duty equipment. Its essential role spans critical applications, from life-saving emergency rescues and intricate tunnel engineering to ambitious mining endeavors and the operation of vital municipal service vehicles. Our dedication to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for elite mechanical equipment. Guided by our philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we are committed to crafting unmatched products, delivering unparalleled services, and offering pioneering solutions. Our aspiration is to be globally recognized as a trusted supplier of premier hydraulic components, consistently setting new standards of excellence on the world 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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