Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly merging the intricacies of pressure, flow, and directional control into a singular, harmonious masterpiece. This integration assures unparalleled performance and unwavering reliability across all applications, making them indispensable for high-end hydraulic systems. Typically constructed from three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless incorporation into top-tier engineering machinery. They exercise precise governance over the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key attributes include a compact yet robust structure, superior energy efficiency, and the capacity for stepless speed control. Further enhancing their appeal, these valves enable multiple actuators to operate concurrently under varying loads, delivering unmatched performance and versatility across any application spectrum.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operation across a multitude of settings. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves might exhibit a slightly more measured response time, they excel in providing exceptional energy-saving performance. This makes them the ultimate choice for applications where efficiency takes precedence. With cutting-edge engineering and an energy-efficient design, HLPSV valves stand as the premier solution for advanced hydraulic control needs. They offer the perfect blend of precision, reliability, and unmatched efficiency, making them an invaluable asset for modern hydraulic systems.
| 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 foundation of unwavering reliability, delivering a consistent and steadfast performance to ensure smooth and efficient operations across your entire hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering extraordinary flexibility to meet a diverse array of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly meets reliability, crafting a dependable operational framework::
2-G3/8; Specifically crafted for compact proficiency, designed to facilitate streamlined and seamless operational flows with ease.
3-G1/2; Engineered with robustness and reliability in mind, providing a solid foundation for maintaining your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering enhanced control and superior system integration.;
5, 55-G1; Equipped to handle superior flow rates, perfectly suited for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments and tackle demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke 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 customized solutions to seamlessly meet your specific operational needs.
(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, 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 - Elevate your safety standards with our precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, ensuring your systems operate with unparalleled confidence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, fully accommodating various hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs.
(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, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, 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 engineered for precision and exceptional efficiency.
(10) Valve core function symbols: Explore a broad selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, ensuring optimal performance.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver superior 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 option meticulously engineered for precise control and functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our meticulously engineered selections tailored for seamless adaptability and integration. Choose from our expertly crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each epitomizing the flexibility required to perfectly meet your specific needs.
(16) End plate options: Unveil our remarkable array of finely tuned end plate solutions. E1 offers the standard model with external pilot oil discharge and an external oil return control port T. E2 mirrors E1 but is enhanced with an added port Y. Experience the innovation of E3, incorporating a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring unmatched performance.
E4, crafted akin to E1, distinguishes itself by integrating an internal pilot oil discharge with a sealed port T. E5 mirrors the features of E2 with an internal discharge enhancement. Witness the sophistication of E6, reflecting the advanced innovation of E3, with each variant promising superior discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our tailored solutions. Opt for G12-12VDC, ideal for specialized applications demanding uncompromising safety and compatibility.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, embodies 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.
Customer Inquiry:1. What about the lead time for receiving your products?
Response:Typically, the lead time for production spans approximately one month after the 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.
Customer Inquiry:2. Do you have any MOQ (Minimum Order Quantity) limit for LED light orders?
Response: 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.
Customer Inquiry:3. How do I proceed with placing an order for LED lights?
Response: 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.Submit your 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.
Customer Inquiry:4. Is it permissible to print my logo on the product?
Response: 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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