Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic advancement, effortlessly merging pressure, flow, and directional control into a cohesive, harmonious ensemble. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 - A pillar of unsurpassed reliability, ensuring a consistent and unwavering performance that guarantees smooth and efficient system operations.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and innovative versatility, offering extraordinary flexibility to seamlessly meet diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets uncompromised reliability, crafting a dependable operational structure::
2-G3/8; Meticulously crafted for compact efficiency, designed to sustain seamless and streamlined operational flows.
3-G1/2; Masterfully engineered for enduring robustness, providing a steadfast foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced integration within your system.;
5, 55-G1; Equipped with exceptional flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unbeatable performance, expertly crafted to excel in rigorous environments, effortlessly tackling challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to satisfy essential operational criteria.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, propelling unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Presenting bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly meet your operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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;D/F - Featuring a precision-engineered pressure limiting valve tailored for the secondary pressure (F50) with a specified pressure value, this state-of-the-art mechanism ensures unparalleled safety protocols are established to enhance both operational security and reliability, setting new standards in hydraulic safety technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unrivaled versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, expertly meeting all hydraulic needs. For seamless configurations, /NF denotes no pressure limiting valve, meticulously crafted for HLPSV, ensuring impeccable pressure management across diverse applications, reinforcing its position as a pillar of flexibility.
(7) Product Series Classification - The Pinnacle of Engineering Finesse:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a remarkable testament to expert design, tailored to seamlessly fit any application, guaranteeing a product that perfectly aligns with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed with precision for flawless and seamless integration, ensuring optimal performance and reliability.
(9)Directional valve block inflow controller options: Choose from a diverse range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency, catering to all functional demands.
(10) Valve core function symbols: Uncover an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each intricately crafted to fulfill specific functional requirements, ensuring optimal performance for each unique application.
(11) Output flow code for ports A & B: Attain peak efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for extraordinary performance and reliability, delivering superior operational excellence.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar, ensuring unmatched system safety and uncompromising protection.
(13) Function ON/OFF and pressure outlet options: Personalize with options like: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each precisely engineered for superior control and functionality, tailored to meet your exact needs.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each crafted for comprehensive and precise control, ensuring optimal performance and adaptability.
(15) Ancillary block port sizes: Experience a versatile selection of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, masterfully designed to ensure seamless adaptability and smooth integration into your hydraulic systems.
(16) End plate options: Explore our meticulously crafted end plate solutions: E1, the standard choice, featuring an external discharge of pilot oil along with an external oil return control port T; E2, similar to E1, but enhanced with an additional port Y for increased functionality; E3, furnished with a 2-position 3-way magnetic ball valve, elevates your system's pressure to safety valve standards upon activation.
E4, designed akin to E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5 mirrors the E2 design, also boasting internal discharge capabilities; E6 matches the sophistication of E3, with each variant delivering superior discharge control for enhanced performance.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range of options such as G12-12VDC, specifically tailored for safety and precision in challenging applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our 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 stand distinguished as a national high-tech enterprise. Our specialty is in the precise research, development, manufacturing, and sales of top-tier hydraulic components. With the honor of being a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate our steadfast dedication to technological progress and superior quality. This unwavering commitment places us at the forefront of our industry.
Our enhanced Safety Atex Valve, a flagship product, epitomizes the zenith of advanced hydraulic system control with our load-sensitive proportional valve. Meticulously crafted for construction machinery and heavy-duty equipment, this multifaceted component proves crucial for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud to engage in strategic collaborations with numerous leading domestic manufacturers, significantly contributing to 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 unyielding in our pursuit of delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of superior hydraulic components, redefining 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 period, we commit to thorough preparations and maintain stringent quality control measures, guaranteeing each product reaches you in pristine condition. Our dedication to delivering with flawlessness underscores our pledge to achieve your complete satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly boast an exceptionally low minimum order quantity, allowing you the freedom to order as few as a single piece for sample testing. This exceptional flexibility empowers you to commence your projects with the utmost convenience and precision, seamlessly meeting your unique requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by conveying your specific requirements or intended applications to us. We will then prepare a customized quote, tailored to your unique needs or through our expert advice. Upon finalizing the drawings and placing a deposit, we will formalize the order and begin production. We assure you of precision in meeting every specification, delivering a seamless and bespoke solution uniquely suited for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that each detail is executed flawlessly for a seamless and customized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is indeed possible. Please formally inform us prior to production commencement and confirm the design based on the sample we provide. This ensures that your logo is rendered with exceptional precision and excellence, perfectly reflecting your brand identity.
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