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 unmatched excellence with our tailored pressure control solutions, engineered for a myriad of applications. These solutions, crafted with impeccable precision, align perfectly with your operational objectives, ensuring unparalleled accuracy and control.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover masterfully engineered solutions that integrate seamlessly with your operational demands. These customizable configurations empower you to achieve your desired results with effortless precision and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate system performance with sophisticated design: Expertly crafted to enhance control and optimize efficiency, this valve transforms operational capabilities with unmatched precision and effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump when powered, deactivates when unpowered; D - Normally closed magnetic ball valve, deactivates pump when powered, activates when unpowered. Experience precise tuning that enhances system efficiency and adaptability to new heights.D/F - Introducing a state-of-the-art pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to maintain a specific pressure value, enhancing safety measures and optimizing operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate versatility and precision with adjustable settings from 63 to 400 bar. This component embodies adaptability, flawlessly meeting every hydraulic need. The /NF configuration presents systems without a pressure limiting valve, expertly optimized for HLPSV, delivering unrivaled pressure control with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, skillfully crafted to meet every application, ensuring you obtain a product that seamlessly aligns with your specific requirements, 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; Equipped with auxiliary or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for seamless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive array: 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 crafted for precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Discover an expansive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with exceptional precision and reliability.
(11) Output flow code for ports A & B: Unlock unparalleled operational efficiency with our range of maximum output flows, meticulously crafted to deliver supreme performance and robust reliability. Choose from a spectrum of flow rates: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, each engineered to meet your exacting standards and ensure unwavering dependability in any application.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our superior pressure limitation choices, precisely calibrated in bar to offer you peace of mind. For operations lacking pressure limiting protection, select 'N' for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is vital, maintaining consistent performance. For specialized and independent control, choose 'A---B---', providing tailored management of ports A and B. Each solution is crafted to uphold the pinnacle of system integrity, ensuring your operations are protected and thoroughly efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with an extensive suite of customizable options, each tailored for optimal performance. For simple operations, choose 'N' with no function ON/OFF or pressure outlet specifications. If your process requires advanced control, 'X' with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for superior management. For precision control, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each configuration is precisely designed to ensure exceptional precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our comprehensive array of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' allows manual operation with a choice of long or short handle, tailored to your ergonomic preferences. 'E' offers advanced electric proportional control, while 'EA(1,2)' combines it with manual operation for greater adaptability and responsiveness. 'D' provides electric switching value control, with 'DA(1,2)' adding manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. For exclusive hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring total command and mastery over your system.
(15) Ancillary Block Port Sizes: Achieve unparalleled adaptability and performance with our meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each option is strategically designed for superior adaptability, delivering peak performance across diverse systems and operational demands, guaranteeing your system's optimal condition at all times.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each tailored to the highest standards of functionality and adaptability. 'E1' sets the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' expands your capabilities by incorporating an additional port Y, offering enhanced flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, which elevates system pressure to safety valve levels when activated, ensuring exceptional functionality and reliability.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T, optimizing efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge, elevating system performance. 'E6' embodies the advanced design of 'E3', providing sophisticated discharge control, perfect for the most challenging system requirements, ensuring your system remains at the vanguard of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our resilient and secure voltage options, including the G12-12VDC, meticulously crafted for reliability and safety in the most demanding environments. Our solutions offer specialized security and stability tailored to any application, ensuring your system's performance and integrity are 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 renowned China Baoan Group (stock code: 000009), we have established ourselves as a national high-tech enterprise, committed to pioneering technological advancements and upholding the highest quality standards. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of high-quality hydraulic components. Recognized nationally as a 'specialized, refined, and innovative' small giant enterprise, we are resolute in our mission to continually enhance our standards of excellence, reinforcing our position as industry leaders.
At the forefront of our innovative product range is our flagship creation: the Enhanced Safety Atex Valve. This masterpiece of contemporary engineering epitomizes advanced hydraulic system control, designed for effortless integration into construction machinery and robust heavy-duty equipment. Its vital role spans crucial applications, from lifesaving emergency rescue operations to complex tunnel engineering, ambitious mining activities, and the operation of essential municipal service vehicles. Our unwavering commitment to forming strategic partnerships 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 dedicated to producing outstanding products, delivering unparalleled services, and offering innovative solutions. With the ambition to be globally recognized as a trusted supplier of premier hydraulic components, we consistently 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.