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 cornerstone of unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of power and customization with our specialized pressure control solutions. Designed with meticulous precision to cater to diverse needs, these options offer unparalleled accuracy and align seamlessly with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-engineered solutions crafted to integrate effortlessly with your operational demands. Achieve your desired results with ease and precision through our adaptable configurations.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionize your system's efficiency and control: Meticulously designed to enhance performance, offering superior control and exceptional efficacy, fundamentally transforming your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and energizing it when unpowered. This precision tuning achieves unrivaled system efficiency and adaptability.D/F - Unveiling a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). Crafted to maintain a precisely designated pressure, significantly enhancing advanced safety features and elevating operational reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings from 63 to 400 bar. This component exemplifies adaptability, meeting every hydraulic requirement. The /NF setup delivers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unmatched pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - A Summit of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, expertly crafted to meet every application, ensuring you receive a product that perfectly aligns with your specific needs, consistently delivering outstanding 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, seamless integration, ensuring peak efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection: 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. Explore pre-selectable options, each offering exceptional precision and efficiency, customized to your unique needs.
(10) Valve core function symbols: Uncover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands with unparalleled precision and dependability.
(11) Output Flow Code for Ports A & B: Harness unrivaled efficiency with our meticulously crafted maximum output flows. Choose from an impressive array of flow rates: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is expertly engineered to deliver supreme performance and unwavering dependability, ensuring your operations achieve peak efficiency at all times.
(12) Secondary Pressure Limitation Options: Experience ultimate safety and reliability with our precision-engineered pressure limitation choices. Carefully calibrated in bar, these options provide peace of mind for your operations. For straightforward tasks, select 'N', which operates without pressure limiting protection. Achieve consistent performance with 'C', offering simultaneous pressure limitation on actuator ports A & B. For bespoke and independent control, 'A---B---' is ideal, allowing specialized management of ports A and B. Each option is rigorously designed to uphold the highest system integrity standards, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational excellence with a variety of customizable choices designed for top-tier performance. For basic operations, 'N' offers no function ON/OFF or pressure outlet needs. If you require enhanced control, 'X' with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior management. For electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to deliver maximum precision, efficiency, and exceptional operational performance.
(14) Operation Modes: Discover our versatile range of operation modes, each meticulously crafted for outstanding precision and adaptability. 'A(1,2)' provides manual operation with a customizable long or short handle for ergonomic comfort. 'E' offers advanced electric proportional control, while 'EA(1,2)' integrates manual operation for optimum flexibility and responsiveness. 'D' delivers electric switching value control, complemented by 'DA(1,2)' with manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, ensuring comprehensive control and system mastery.
(15) Ancillary Block Port Sizes: Elevate 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 ensure seamless system integration. Each option is tailored for unmatched adaptability and peak performance, meeting diverse system requirements and operational demands, ensuring your system operates at its best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each designed to deliver top-tier functionality and versatility. 'E1' sets the benchmark with external discharge of pilot oil and oil return control port T. 'E2' enhances capabilities with an additional port Y for greater flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards when activated, ensuring reliability and exceptional functionality.
E4 mirrors 'E1', featuring an innovative internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' incorporates 'E2's robust features with internal discharge for superior system performance. 'E6' mirrors 'E3's sophisticated design with advanced discharge control, tailored for the most demanding requirements, keeping your system at the pinnacle of efficiency and innovation.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage solutions, including the G12-12VDC, specially designed for safety and reliability in challenging environments. Our offerings provide specialized protection and stability for any application, ensuring your system's performance remains uncompromised and secure.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 become a beacon of innovation in the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we are a nationally recognized high-tech enterprise, committed to pioneering technological advancements and upholding superior quality standards. Our expertise is vast, covering comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are dedicated to elevating our standards of excellence, further solidifying our leadership in the industry.
At the core of our innovative product lineup is our flagship creation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes advanced hydraulic system control, expertly designed for seamless integration into construction machinery and resilient heavy-duty equipment. Its essential functionality spans critical applications, such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining endeavors, and the operation of vital municipal service vehicles. Our unwavering dedication to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to creating exceptional products, providing unparalleled services, and delivering groundbreaking solutions. With a vision to be recognized globally as a trusted supplier of top-tier hydraulic components, we strive to establish 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.