Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations encapsulate the pinnacle of hydraulic innovation, ingeniously combining pressure, flow, and directional control into a single, cohesive masterpiece. This synthesis ensures 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 seamless integration into high-end hydraulic systems, essential for top-tier engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. In addition, 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 systems with constant displacement pumps, ensuring steadfast and reliable operation in every context. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. Although 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 groundbreaking engineering and energy-efficient design, HLPSV valves stand tall 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 - The keystone of reliability, meticulously engineered to deliver unwavering and consistent performance, ensuring an uninterrupted flow of operations for utmost system efficiency.;
HLPSV: Variable Displacement Pump - A true embodiment of flexibility, offering exceptional adaptability to meet a diverse range of operational needs with unparalleled versatility.;
(2) Connection Block Ports P & R Specifications - Where precision meets enduring reliability, establishing a dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, these ports are designed to facilitate smooth and seamless operational flows.
3-G1/2; Engineered for robust reliability, they form a solid foundation ensuring your system's enduring integrity.;
4-G3/4; Featuring cutting-edge connectivity, they provide superior control and enhanced system integration for optimized performance.;
5, 55-G1; Boasting superior flow rates, these ports are ideal for high-demand applications, guaranteeing consistent and reliable operation.;
6-G1 1/4; Designed for unmatched performance, these ports excel in challenging environments, effortlessly overcoming operational hurdles.;
(3) Additional Components and Specifications - Pushing system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, precisely crafted to meet essential operational demands with assured dependability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability of your system.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to perfectly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and precision control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating it when unpowered;D/F - Our state-of-the-art system features a precision-engineered pressure limiting valve specifically designed for secondary pressure (F50) with a precisely defined pressure value. This innovative feature ensures unparalleled safety standards, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unmatched versatility with adjustable settings tailored to 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability and precision, meeting a wide array of hydraulic requirements. For seamless configurations, /NF indicates the absence of a pressure limiting valve, perfectly designed for HLPSV to ensure impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, crafted to meet every application need, ensuring you receive a product that aligns seamlessly with your specific 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, flawlessly engineered for seamless integration.
(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 both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Unveil a complete suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands and ensure optimum performance.
(11) Output flow code for ports A & B: Maximize efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unmatched reliability.
(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 measured in bar, guaranteeing uncompromising system safety and security.
(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 designed for precise control and enhanced functionality.
(14) Operation modes: Select 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 blend 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Experience unparalleled versatility with our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is meticulously designed to ensure seamless adaptability and flawless integration into your hydraulic systems.
(16) End plate options: Explore our meticulously tailored end plate solutions. E1 is the standard choice, offering an external discharge of pilot oil coupled with an external oil return control port T. E2 enhances E1 by incorporating an additional port Y. E3 stands out with its 2-position 3-way magnetic ball valve, elevating your system's pressure to that of safety valve standards when powered.
E4 mirrors E1's design but ingeniously integrates an internal discharge of pilot oil with a sealed port T. E5 is a sophisticated variant of E2, also featuring internal discharge. E6 encapsulates the advanced nature of E3, with each variant providing superior discharge control.
(17) Control voltage and anti-explosion cable options: Select from our array of secure and compatible solutions, such as G12-12VDC. These options are precisely tailored for safety and specialization in even the most demanding 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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, is a testament to the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
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 engage in meticulous preparations and uphold stringent quality control standards. Our commitment is to ensure that each product reaches you in perfect condition, achieving your utmost satisfaction with our impeccable delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer a remarkably low minimum order quantity, allowing you to order as little as a single piece for sample verification. This flexibility enables you to start your projects with ease and precision, effortlessly meeting your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your detailed requirements or intended applications with us. We will provide a tailored quote specially crafted for you, either based on your specific needs or through our expert guidance. Once the drawings are finalized and a deposit is made, we will confirm your order and commence production. We promise adherence to every specification with precision, ensuring a seamless solution tailored just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed to perfection for a bespoke solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Please ensure you inform us formally before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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