Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations signify the apex of hydraulic innovation. They flawlessly consolidate pressure, flow, and directional control into a unified, harmonious masterpiece. This ensures unrivaled performance and reliability across all applications. Typically constructed with three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for incorporation into premium hydraulic systems, vital for top-tier engineering machinery. They precisely control 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 enable multiple actuators to function simultaneously under varying loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are meticulously calibrated for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are expertly crafted for variable pump systems. While HLPSV valves might show a slightly delayed response time, they excel in delivering outstanding energy-saving performance, making them the premier choice for applications where efficiency is critical. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the ultimate solution for advanced hydraulic control demands, offering an exemplary combination 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 - Unlocking the Full Potential of Connectivity and Performance
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(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 state-of-the-art, precision-engineered pressure limiting valve specifically designed for secondary pressure (F50) with a precisely defined pressure value, this innovative component ensures top-tier safety measures are seamlessly integrated to bolster operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, meeting all hydraulic needs with finesse. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, meticulously crafted to suit every application, guaranteeing a product that aligns perfectly 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, precisely engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted 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: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements.
(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 designed for unmatched performance and 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, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your 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 engineered for precise control and functionality.
(14) Operation modes: Discover versatile operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis 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, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Unlock a world of choice with our versatile port size options. Select from: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is expertly crafted to ensure seamless adaptability and integration into any system.
(16) End plate options: Explore our meticulously crafted end plate solutions designed for your specific needs. E1, the standard choice, features an external pilot oil discharge and an external oil return control port T. E2 mirrors E1 with the added advantage of an extra port Y. E3 takes it further with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated.
E4, styled like E1, uniquely incorporates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 mirrors E2 with the added benefit of internal discharge. E6, echoing E3, embodies sophistication with advanced discharge control, ensuring your system operates at peak performance.
(17) Control voltage and anti-explosion cable options: Select from our secure, compatible range of options including G12-12VDC, designed with safety and specialization in mind for 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. Affiliated with the prestigious 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, the load-sensitive proportional valve, showcases 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:Our standard lead time is approximately one month post-payment. Within this period, we engage in detailed preparations and maintain stringent quality control to guarantee each product reaches you in pristine condition. We are committed to delivering excellence and ensuring your complete satisfaction with our impeccable service.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer a notably low minimum order quantity, allowing you to order even a single piece for sample verification. This flexibility ensures you can start your projects with precision and ease, perfectly accommodating your specific needs.
Question:3. How to proceed with an order for LED lights?
Answer: To initiate an order, share your specific requirements or intended use with us. We will provide a customized quote tailored to your specifications or based on expert advice. After finalizing the drawings and submitting a deposit, your order is confirmed and production begins. We assure you of strict adherence to all specifications to deliver a comprehensive and customized solution.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: Certainly, this option is available. Please inform us before production begins and confirm the design using the sample we provide. This ensures your branding is displayed with exceptional precision and quality, perfectly embodying your identity.
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