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 to operate 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 unprecedented empowerment with bespoke pressure control solutions tailored precisely for a wide spectrum of applications. Engineered with exceptional accuracy to meet your exact specifications, these options deliver superior precision and perfectly align with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing custom-engineered solutions that flawlessly integrate with your specific operational needs. Benefit from customizable configurations that enable you to achieve your desired results effortlessly and with remarkable precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control to new levels: Expertly designed to elevate your system's performance, offering unmatched control and extraordinary effectiveness that transforms 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. Precision tuning that delivers unmatched system efficiency and adaptability.D/F - Presenting a revolutionary, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain a specifically designated pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly engineered for HLPSV, providing unmatched pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterclass in design, meticulously crafted to address every application, ensuring you receive 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 and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from an extensive range 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. Explore pre-selectable options, each providing precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Delve into a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unleash peak efficiency with our range of maximum output flows! Choose from 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, to 210 L/min, each engineered for exceptional performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Experience unmatched safety and reliability with our precision-engineered pressure limitation options. Choose 'N' for straightforward tasks without pressure limiting protection. Opt for 'C' for simultaneous pressure limitation on actuator ports A & B, securing consistent performance. For tailored control, select 'A---B---' for specialized management of ports A and B. Each option is carefully crafted to maintain the highest system integrity, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with customizable options tailored for peak performance. Choose 'N' for operations without function ON/OFF or pressure outlet needs. For enhanced control, 'X' with C type pressure limitation or 'S/S1' with AB type offers superior oversight. For precise electrical control, opt for 'A' for ON/OFF function on side A or 'B' for side B. Each option is crafted for maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover a diverse range of operation modes designed for exceptional versatility and precision. 'A(1,2)' offers manual control with customizable handle options. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines it with manual operation for optimal adaptability. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. 'M' provides expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs for comprehensive control.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless integration, ensuring peak performance across various systems, keeping your operations at their best.
(16) End Plate Options: Explore expertly crafted end plate solutions meeting the highest functionality and adaptability standards. 'E1' features external discharge of pilot oil with oil return control port T. 'E2' offers additional port Y for enhanced flexibility. 'E3' includes a 2-position, 3-way magnetic ball valve, advancing system pressure to safety valve levels, ensuring superior functionality and reliability.
E4 mirrors 'E1', with advanced internal pilot oil discharge and a sealed port T for optimal efficiency. 'E5' combines 'E2's features with internal discharge for superior system performance. 'E6' mirrors 'E3's sophisticated design, perfect for demanding system requirements, ensuring cutting-edge efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust voltage options, like the G12-12VDC, designed for safety and reliability in challenging environments. Our solutions are tailored for stability and performance, ensuring your system's security is 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 been a beacon of innovation and excellence within the hydraulic industry. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our reputation is built on pioneering technological advancements and maintaining superior quality standards. With expertise spanning comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of elite hydraulic components, we are respected nationwide as a 'specialized, refined, and innovative' small giant enterprise. Our unwavering commitment to excellence continually strengthens our leadership position in the industry.
At the forefront of our innovative product suite stands our flagship creation: the Enhanced Safety Atex Valve. This marvel of modern engineering exemplifies state-of-the-art hydraulic system control, designed with precision for seamless integration into construction machinery and robust heavy-duty equipment. Its vital functionality is indispensable across essential applications, from life-saving emergency rescue missions to complex tunnel engineering, ambitious mining operations, and the operation of key municipal service vehicles. Our unwavering commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for premium mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to producing exceptional products, delivering unmatched services, and offering innovative solutions. With a vision to be globally recognized as a trusted supplier of premier hydraulic components, we are committed to setting 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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