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 - Recognized as the foundation of steadfast excellence, this pump is engineered to ensure seamless and consistent workflows. It transforms your system into an epitome of engineering wonder, offering unrivaled reliability that empowers your machinery to achieve impeccable accuracy.;
HLPSV: Variable Displacement Pump - An exemplar of adaptability and innovation, this pump is designed to meet diverse operational needs with exceptional versatility. With a design focused on future-ready solutions, it allows smooth transitions and enhanced control, keeping your system at the pinnacle of performance.;
(2) Connection Block Ports P & R Specifications - A synthesis of precision and reliability forming a resilient operational backbone. Crafted with detailed attention, these specifications assure flawless performance and superior dependability in all applications, establishing an unwavering groundwork for excellence.:
2-G3/8; This compact design signifies proficiency by enhancing operational efficiency with precision. Expertly crafted for excellence in confined spaces, it ensures superior performance without compromise.
3-G1/2; Designed for robust reliability, this component serves as a crucial support for your system's durability. Built to endure tough conditions, it offers steadfast performance and strength.;
4-G3/4; Featuring sophisticated connectivity, this component offers unparalleled control and integration. Its advanced design enhances system efficiency, boosting operational capabilities with precision.;
5, 55-G1; Engineered to deliver impressive flow rates for high-demand applications, this component ensures solid, consistent performance. It is crafted to excel under high-pressure scenarios, addressing challenges with ease and precision.;
6-G1 1/4; Designed for extraordinary performance, this component shines in demanding environments. It is engineered to exceed expectations, setting new standards in power and capability, effortlessly handling challenging tasks.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new performance levels, transforming your operations into a beacon of success.:
C,Standard Type - A dependable foundation, meticulously designed to meet essential operational requirements. This component delivers unwavering support and unmatched reliability, propelling your system to its full potential.;
G,Throttle Valve (For HLPSL only) - Provides precision control to boost system efficiency. This valve fine-tunes operations for optimal effectiveness, ensuring each component operates in perfect harmony.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for exceptional performance and reliability, surpassing traditional limits to deliver outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Experience the ultimate in hydraulic power control with our custom-tailored pressure solutions. Engineered with precision, these options offer unparalleled accuracy, aligning seamlessly with your operational objectives and ensuring optimal performance across diverse applications.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-engineered solutions that integrate harmoniously with your unique needs. Enjoy the flexibility of customizable configurations that empower you to achieve your desired results with effortless precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your hydraulic system's efficiency and control to unprecedented levels. Expertly crafted to enhance system performance, this valve offers unrivaled control and extraordinary effectiveness, revolutionizing your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and activating it when unpowered. Precision engineering delivering unmatched system efficiency and adaptability to meet your needs.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is designed with flawless precision to maintain a specific pressure value, significantly enhancing safety features and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace unparalleled adaptability and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes versatility, meeting every hydraulic demand. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing supreme accuracy in pressure control for diverse applications.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously crafted to cater to every application, ensuring you receive a product that perfectly aligns with your specific requirements, delivering consistent and exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Complete with auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration, ensuring maximum efficiency and performance.
(9)Directional valve block inflow controller options: Explore a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller. Each option is pre-selectable and offers exceptional precision and efficiency, tailored to meet your specific operational needs.
(10) Valve core function symbols: Dive into an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each intricately crafted to meet specific functional requirements with unmatched precision and dependability.
(11) Output flow code for ports A & B: Maximize your system's potential with our expertly calibrated output flows, ranging from 3 to 210 L/min. Each option is crafted for optimal performance and unwavering reliability, ensuring peak operational efficiency.
(12) Secondary Pressure Limitation Options: Elevate your safety protocols with our meticulously engineered pressure limitation options. Choose 'N' for straightforward operations, 'C' for simultaneous pressure limitation on ports A & B, or 'A---B---' for customized control, each option guaranteeing the highest system integrity and operational efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our customizable options for peak efficiency. Select 'N' for basic operations without function ON/OFF, 'X' with C type pressure limitation for advanced control, or 'S/S1' with AB type for superior oversight. For precision control, opt for 'A' or 'B' for ON/OFF functionality on respective sides. Each choice is tailored for maximum precision and excellence.
(14) Operation Modes: Discover unparalleled versatility with our operation modes. 'A(1,2)' offers manual control with ergonomic handles, 'E' features electric proportional control, while 'EA(1,2)' combines both for adaptability. 'D' and 'DA(1,2)' provide electric switching with manual enhancements. 'M' allows expert manual friction positioning, and 'H' or 'F' ensures complete hydraulic control with unique pilot oil port designs.
(15) Ancillary Block Port Sizes: Achieve seamless system integration with our precision-engineered port sizes: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each size is designed for superior adaptability and performance across diverse systems.
(16) End Plate Options: Explore our end plate solutions, crafted for top-tier functionality and flexibility. 'E1' offers external discharge with oil return control, 'E2' provides an additional port Y for increased capabilities, and 'E3' features a 2-position, 3-way magnetic ball valve for enhanced pressure management.
E4 mirrors 'E1' with internal discharge for efficiency, 'E5' combines 'E2' features for superior performance, and 'E6' integrates 'E3's advanced discharge control, ensuring your system excels in efficiency and sophistication even under demanding conditions.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure voltage options like the G12-12VDC, engineered for safety in challenging environments. Our solutions are tailored for resilience and stability, safeguarding your system's performance.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 an esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, dedicated to pioneering technological advancements and upholding superior quality standards. Our exceptional expertise spans comprehensive research, advanced development, precise manufacturing, and strategic marketing of premier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are resolute in our mission to continuously enhance our standards of excellence, solidifying our leadership in the industry.
At the core of our groundbreaking product range is our flagship creation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously designed for flawless integration into construction machinery and robust heavy-duty equipment. Its essential functionality extends across crucial applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of indispensable municipal service vehicles. Our unwavering commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to delivering exceptional products, providing unparalleled services, and offering innovative solutions. With a vision to be globally recognized as a trusted supplier of premier hydraulic components, we are relentlessly striving 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.
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