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 - Delivering the ultimate in reliability, this pump ensures smooth and consistent operation, turning your system into a masterpiece of engineering precision. Experience unmatched dependability, empowering your machinery to perform with exceptional accuracy.;
HLPSV: Variable Displacement Pump - Embodying the pinnacle of adaptability and innovation, this pump is designed to accommodate a wide range of operational needs. Its advanced design enables seamless fluid transitions and superior control, keeping your system at the forefront of technological excellence.;
(2) Connection Block Ports P & R Specifications - Where accuracy meets reliability, forming a solid operational foundation. With meticulous craftsmanship, these specifications ensure flawless performance and heightened dependability across all applications, creating a stable platform for success.:
2-G3/8; A design of compact excellence, supporting streamlined operational efficiency with precision. Expertly crafted for space-limited settings, it promises superior performance without compromise.
3-G1/2; Engineered for robustness and dependability, this component serves as a strong backbone for your system's durability. Built to endure challenging conditions, it provides consistent performance.;
4-G3/4; Featuring cutting-edge connectivity, this component offers unmatched control and integration. Its refined design enhances system efficiency, boosting overall operational capability.;
5, 55-G1; Delivering superior flow rates for high-demand situations, this component guarantees robust performance. Designed for distinction, it effortlessly addresses high-pressure challenges with precision.;
6-G1 1/4; Providing remarkable performance, this component thrives in demanding environments. Engineered to exceed expectations, it sets new standards in power and capability, handling demanding tasks with ease.;
(3) Additional Components and Specifications - Amplify your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unparalleled performance, turning your operations into a shining example of success.:
C,Standard Type - A reliable foundation, crafted with precision to meet essential operational requirements. This component offers steadfast support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Fine-tune your system's operations for ultimate efficiency with precision control. This valve ensures harmonious operations, optimizing every component for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Master flow management with this valve, driving outstanding performance and reliability. Exceeding conventional norms, it delivers exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of power and precision with our custom pressure control solutions, perfectly tailored for a wide range of applications. Engineered with exactitude to fulfill your specific requirements, these options offer unparalleled accuracy and seamless alignment with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing bespoke solutions that integrate flawlessly with your operational needs. These customizable configurations empower you to effortlessly achieve your desired outcomes with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control with our expertly designed valve that elevates performance, providing unmatched control and transformative effectiveness to revolutionize your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, powering the pump when energized, unloading it when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized, pressurizing it when de-energized. Achieve precision tuning for unparalleled system efficiency and adaptability.D/F - Discover our innovative, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with unparalleled precision to maintain a designated pressure value, significantly enhancing safety measures and elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in versatility and precision with adjustable settings from 63 to 400 bar. This component epitomizes flexibility, seamlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control for a wide array of applications with supreme precision.
(7) Product Series Classification - The Summit 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 receive a product that aligns seamlessly 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 impeccable integration and optimal efficiency.
(9)Directional valve block inflow controller options: Explore an extensive range of choices: 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, each providing precision and exceptional efficiency, meticulously customized to your specific needs.
(10) Valve core function symbols: Delve into a vast selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock unprecedented peak efficiency with our cutting-edge maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each meticulously crafted for supreme performance, these flow rates promise unyielding dependability and optimal system functionality.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our superior pressure limitation options. Carefully calibrated in bar, these options ensure peace of mind. Choose 'N' for operations without pressure limiting protection, ideal for straightforward projects. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is crucial, providing consistent, reliable performance. For custom, independent control, select 'A---B---', promising specialized management of ports A and B with precision-engineered solutions that maintain system integrity, security, and efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with a selection of customizable options designed for peak performance. For straightforward tasks, choose 'N', featuring no function ON/OFF or pressure outlet requirements. If enhanced control is necessary, 'X' with C type pressure limitation is optimal, or select 'S/S1' with AB type pressure limitation for superior oversight. For pinpoint electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is crafted to deliver unmatched precision, efficiency, and operational excellence.
(14) Operation Modes: Discover an array of meticulously designed operation modes for ultimate versatility and precision. 'A(1,2)' offers manual operation with either a long or short handle, tailored to your ergonomic preferences. 'E' introduces advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for enhanced adaptability. 'D' delivers electric switching value control, with 'DA(1,2)' adding manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. Purely hydraulic operations are covered by 'H' and 'F', boasting unique pilot oil port designs, either aligned or perpendicular, ensuring complete control and mastery.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our precisely 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 crafted for exceptional adaptability, delivering peak performance across diverse systems and operational requirements, guaranteeing optimal system functionality.
(16) End Plate Options: Unveil our expertly crafted end plate solutions, each meeting the highest standards of functionality and adaptability. 'E1' establishes the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' broadens capabilities with an additional port Y for enhanced flexibility. 'E3' is engineered for advanced performance, boasting a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior functionality and reliability.
E4 echoes 'E1', featuring a state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' augments 'E2' with internal discharge, elevating system performance. 'E6' encapsulates the refined design of 'E3', offering cutting-edge discharge control, perfect for demanding system needs, ensuring efficiency and sophistication are always at the forefront.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage offerings, including the G12-12VDC, meticulously designed to provide safety and reliability even in challenging environments. Our solutions ensure specialized security for any application, maintaining your system's stability and peak performance without compromise.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 distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold the mantle of a national high-tech enterprise-dedicated to advancing technology and excellence in quality. Our prowess is showcased in our extensive research, state-of-the-art development, meticulous manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are committed to perpetually raising our standards, reinforcing our leadership position in the industry.
At the pinnacle of our innovative product line is the Enhanced Safety Atex Valve. This engineering marvel epitomizes the latest in hydraulic system control, designed for flawless integration within construction machinery and robust heavy-duty equipment. Its essential role spans across critical applications such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of vital municipal service vehicles. Our unwavering dedication to forming strategic alliances with leading domestic manufacturers accelerates the localization of crucial 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 delivering exceptional products, unparalleled services, and innovative solutions. Aspiring to global recognition as a trusted supplier of premier hydraulic components, we consistently strive to set 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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