Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal blend 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 - As the bedrock of dependability, this pump ensures steadfast and consistent performance, empowering smooth and efficient operations throughout your system. Discover the unmatched reliability that keeps your machinery functioning seamlessly, operating like a well-oiled, precision instrument.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, this pump provides exceptional flexibility to cater to a wide range of operational demands. Designed to adapt to evolving requirements, it ensures seamless transitions and superior control, offering unmatched responsiveness in every situation.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly integrates with reliability, forming a robust operational framework: Crafted with meticulous attention to detail to deliver flawless performance, it elevates reliability across all applications, ensuring consistency and excellence in every task.:
2-G3/8; Expertly designed for compact efficiency, it supports streamlined and seamless operational effectiveness. Engineered for precision, it guarantees superior performance, even in the most confined spaces, ensuring your operations run smoothly.
3-G1/2; Built for robustness and unwavering reliability, this component provides a solid foundation for your system's integrity. Crafted to endure, it offers steadfast durability, even in the most challenging conditions, ensuring your operations remain uninterrupted.;
4-G3/4; Featuring cutting-edge connectivity, this component offers superior control and enhanced system integration. It masterfully combines sophistication and efficiency to elevate your system's operational prowess to new heights.;
5, 55-G1; Providing superior flow rates, this component is ideal for high-demand applications, guaranteeing consistent and reliable performance. Designed for excellence, it effortlessly tackles high-pressure challenges, setting new standards in operational capability.;
6-G1 1/4; Delivering outstanding performance, this component is expertly engineered to excel in demanding environments, handling challenges with ease. It sets new benchmarks in power and performance, ensuring your operations remain at the forefront of capability.;
(3) Additional Components and Specifications - Amplifying system capabilities to unprecedented levels: Unlock the full potential of your operations with state-of-the-art components that redefine excellence, ensuring your system remains at the cutting edge of performance.:
C,Standard Type - A steadfast and trusted foundation, meticulously designed to meet essential operational needs. Providing unwavering support and unmatched reliability, it empowers your system to achieve maximum efficiency and performance.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, optimizing the overall efficiency of your system. It ensures that your operations are finely tuned for maximum effectiveness, delivering exceptional results with every use.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive unparalleled performance and dependability. Surpassing conventional limits, it delivers extraordinary results and enhances system efficiency.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for a diverse range of applications: Tailored to meet your specific requirements, it offers precision control that aligns perfectly with your operational objectives, ensuring optimal performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unleash the power of custom-engineered solutions crafted to perfectly align with your operational demands. Experience precision and ease with customizable configurations designed to effortlessly deliver your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's performance with optimized efficiency and control. Expertly crafted to offer unmatched control and superior effectiveness, enhancing your operational potential to new heights.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. Achieve unmatched system efficiency and adaptability with precision tuning.D/F - Experience the pinnacle of engineering with a state-of-the-art pressure limiting valve for secondary pressure (F50). This precision-engineered marvel ensures a defined pressure value, significantly boosting safety and optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate versatility with adjustable settings spanning a range of bar levels: 63, 120, 210, 280, 315, 350, and 400. This component epitomizes adaptability, meeting every hydraulic need with the /NF configuration for HLPSV, offering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, tailored to meet every application, ensuring you receive a product that seamlessly aligns with your specific needs for consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporating ancillary blocks or the intermediate transition block ZPL 5S(V)/H, a hydraulic control shut-off valve engineered for flawless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet tailored for the N 3/3-way valve; 5, enhanced inflow controller. Each option offers precision and exceptional efficiency tailored to your specific requirements.
(10) Valve core function symbols: Discover our extensive collection of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous precision and reliability to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Elevate your hydraulic safety protocols with our tailored choices. Select 'N' for a standard setup with no pressure limiting protection, or 'C' for concurrent pressure control of actuator ports A & B. For independent pressure limitation, choose 'A---B---', ensuring each port operates within precise bar measurements for unyielding system safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Unleash a higher level of operational control with our flexible alternatives. Choose 'N' for a simplified system without ON/OFF or pressure outlet features. Opt for 'X' with C-type pressure limitation, or 'S/S1' with AB-type for superior management. Tailor your setup with 'A' or 'B' for electrical ON/OFF, perfectly designed for accuracy and operational brilliance on side A or B.
(14) Operation Modes: Dive into a variety of operation modes crafted for unmatched versatility and precision. 'A(1,2)' provides manual control with the option of a long or short handle. 'E' introduces electric proportional control, while 'EA(1,2)' offers a fusion with manual operation for ultimate flexibility. 'D' brings electric switching value control, with 'DA(1,2)' enhancing it with manual capabilities. 'M' caters to manual friction positioning with a long handle. Discover 'H' and 'F' for pure hydraulic control, with pilot oil ports expertly positioned for comprehensive management.
(15) Ancillary Block Port Sizes: Transform adaptability with our meticulously engineered port size options. Choose /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration and adaptability, guaranteeing peak performance across diverse systems.
(16) End Plate Options: Delve into our precision-engineered end plate solutions. 'E1' sets the standard with an external pilot oil discharge and oil return control port T. 'E2' elevates flexibility with an added port Y. 'E3' introduces a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels upon activation for premier performance.
E4 mirrors 'E1' with an innovative internal pilot oil discharge and sealed port T for enhanced efficiency. 'E5' carries the robust features of 'E2' internally for optimal performance. 'E6' takes the sophisticated design of 'E3' further, delivering advanced discharge management for complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure, reliable options, including G12-12VDC, crafted for safety and dependability in the most demanding applications, ensuring specialized security.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 esteemed China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise, underscoring our commitment to technological innovation and quality excellence. Our expertise spans meticulous research, cutting-edge development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain dedicated to reinforcing our leadership in the field.
At the core of our product offerings is the flagship Enhanced Safety Atex Valve, a marvel of modern engineering in hydraulic system control. Expertly crafted for use in construction machinery and heavy-duty equipment, it is essential for applications ranging from emergency rescue and tunnel engineering to mining and municipal service vehicles. Our strategic partnerships with leading domestic manufacturers are crucial to advancing the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy of 'serving customers with technology, impressing with our attitude, and retaining with quality,' we are committed to delivering exceptional products, superior services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we strive to set 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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