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 - Experience steadfast reliability and consistent performance with this pump. It is the driving force behind seamless operations, ensuring your machinery runs efficiently and without interruption. Trust in its unmatched dependability to keep your systems operating at peak potential.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump is designed to meet a wide range of operational requirements. It offers exceptional flexibility, allowing it to adapt to changing demands effortlessly, ensuring smooth transitions and precise control throughout its use.;
(2) Connection Block Ports P & R Specifications - A marriage of precision and reliability, ensuring a stable operational framework: Meticulously crafted to guarantee flawless performance, it enhances reliability across various applications, making it a cornerstone of dependability.:
2-G3/8; Optimized for compact efficiency and designed to enhance streamlined operations. It achieves outstanding performance even in the tightest spaces, ensuring that operational efficiencies are maintained without compromise.
3-G1/2; Created for strength and reliability, this component is a robust foundation for your system's integrity. Engineered to withstand demanding conditions, it provides enduring durability and steadfast performance.;
4-G3/4; Equipped with advanced connectivity features for superior control and enhanced system integration, bringing sophistication to your operations and boosting system efficiency to new heights.;
5, 55-G1; Provides superior flow rates, perfectly suited for high-demand applications. Engineered for reliability and performance, it conquers high-pressure environments with ease, ensuring consistent output.;
6-G1 1/4; Unmatched in performance, this component is expertly designed to excel in demanding conditions, setting new benchmarks in power and operational efficiency with minimal effort.;
(3) Additional Components and Specifications - Elevate your system's functionality: Unleash the full potential of your operations with these advanced components, pushing the boundaries of excellence and redefining operational standards.:
C,Standard Type - A reliable cornerstone, meticulously crafted to meet fundamental operational needs. It offers steadfast support and unmatched reliability, empowering your system's performance.;
G,Throttle Valve (For HLPSL only) - Precisely regulates control, enhancing overall system efficiency. It ensures operations are finely tuned for optimal effectiveness, maximizing your system's potential.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management processes, driving unparalleled performance and reliability. It transcends conventional limits to deliver results that exceed expectations.;
(4) Pilot Oil Circuit Pressure Options - Custom-tailored pressure control solutions for diverse applications: These options align perfectly with your specific needs, offering precision control that supports your operational goals effectively.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience unparalleled customization with our expertly crafted solutions, designed to seamlessly integrate with your unique operational demands. Our range of customizable configurations ensures you achieve your desired outcomes with effortless precision and exceptional clarity.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Immerse yourself in a world where system performance is maximized through superior control and effectiveness. Expertly designed, this valve transforms your operational capabilities into a realm of unmatched excellence.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. Experience the precision tuning that delivers unmatched system efficiency, adaptability, and supreme reliability.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). Experience an engineering marvel designed with remarkable accuracy to maintain a precisely defined pressure value, significantly enhancing safety measures and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, expertly crafted to seamlessly meet every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, delivering unmatched pressure control across diverse applications with supreme accuracy and reliability.
(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, skillfully conceived to address every application. Experience products that align seamlessly with your specific requirements, consistently delivering exceptional performance beyond expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve. Immerse in flawless engineering that ensures seamless integration and optimal efficiency with every use.
(9)Directional valve block inflow controller options: Discover a comprehensive spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, meticulously tailored for the N 3/3-way valve; 5, enhanced inflow controller. Revel in pre-selectable options, each crafted for precision, exceptional efficiency, and tailored to your specific operational needs.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with unmatched precision, reliability, and excellence.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is designed for supreme performance and unwavering dependability, ensuring your operations run smoothly and efficiently.
(12) Secondary pressure limitation options: Discover an exceptional range of secondary pressure limitation solutions. Select 'N' for a system devoid of pressure limiting protection. Opt for 'C', enabling concurrent pressure limitation across actuator ports A & B. Choose 'A---B---' for independent pressure limitations tailored for ports A & B. All options are meticulously calibrated in bar, ensuring unparalleled system safety and robustness.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with our versatile customizations. Choose 'N' for a sleek setup without function ON/OFF or pressure outlet. Opt for 'X' for C type pressure limitation, or 'S/S1' with AB type pressure limitation for superior control. Select 'A' for electrical ON/OFF on side A, or 'B' on side B, each crafted for precision and excellence.
(14) Operation Modes: Delve into a diverse array of operation modes designed for ultimate versatility and precision. 'A(1,2)' provides manual operation with a choice of long or short handles. 'E' offers electric proportional control, while 'EA(1,2)' combines it with manual operation for maximum flexibility. 'D' delivers electric switching value control, with 'DA(1,2)' adding manual operation capabilities. 'M' is perfected for manual friction positioning with an extended handle. Experience the purity of hydraulic control with 'H' and 'F', featuring pilot oil ports expertly aligned or perpendicular, delivering comprehensive management.
(15) Ancillary Block Port Sizes: Elevate adaptability with our meticulously engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is crafted to ensure seamless integration and adaptability, delivering exceptional performance across a multitude of systems.
(16) End Plate Options: Discover our finely-tuned end plate offerings. 'E1' is your standard, providing external discharge of pilot oil and an oil return control port T. 'E2' includes an additional port Y for enhanced versatility. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to the safety valve threshold when actuated, ensuring top-tier performance.
E4 mirrors 'E1' with an innovative internal discharge of pilot oil and a sealed port T for heightened efficiency. 'E5' echoes the durable attributes of 'E2' with an internal discharge, optimizing performance. 'E6' captures the sophisticated essence of 'E3', providing advanced discharge control for complex system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable spectrum, including G12-12VDC, engineered for safety and dependability even in the most demanding environments. Our range is designed for specialization and 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 within the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we are a recognized national high-tech enterprise, exemplifying our commitment to advancing technology and maintaining superior quality standards. Our expertise shines through in the dedicated research, groundbreaking development, precise manufacturing, and strategic sales of top-tier hydraulic components. As a celebrated national 'specialized, refined, and innovative' small giant enterprise, we are resolute in our pursuit of excellence, continuously strengthening our leadership in the field.
At the core of our product offerings is the groundbreaking Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of cutting-edge hydraulic system control, meticulously designed for use in construction machinery and heavy-duty equipment. It plays a critical role in essential applications, including emergency rescue operations, tunnel engineering, mining activities, and the operation of municipal service vehicles. Our commitment to strategic partnerships with leading domestic manufacturers is driving the advancement of core hydraulic component localization for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to providing exceptional products, unparalleled services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we continuously strive to establish new standards of excellence internationally.
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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