Welcome to the dawn of a transformative era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend standard expectations, representing a masterful fusion of engineering brilliance and pioneering hydraulic advancements. By flawlessly uniting pressure, flow, and directional control within a single, cohesive unit, our valves offer unparalleled performance and steadfast reliability across all applications. Meticulously crafted, these valves comprise three essential functional modules - connecting blocks, directional valves, and end plates - all thoughtfully designed for seamless integration into premier hydraulic systems, vital for top-tier engineering machinery. These valves deftly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Standout features include an elegant, compact design, superior energy efficiency, and the capacity for stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under varying loads, providing exceptional performance and versatility across a multitude of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, guaranteeing unwavering, reliable operations in any condition. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Despite a slightly slower response, HLPSV valves excel in their phenomenal energy-saving capabilities, making them the optimal choice when efficiency is of utmost importance. These valves, with state-of-the-art engineering and an environmentally conscious design, emerge as the quintessential solution for sophisticated hydraulic control requirements, merging unmatched precision, reliability, and energy efficiency into one seamless package.
| 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 - Witness the powerhouse of reliability and unwavering performance, ensuring smooth operation throughout your system with steadfast delivery.;
HLPSV: Variable Displacement Pump - Embrace the epitome of adaptability and versatility; this pump effortlessly caters to a wide range of operational demands with unmatched ease.;
(2) Connection Block Ports P & R Specifications - Where cutting-edge engineering meets lasting reliability, crafting a robust operational framework::
2-G3/8; A marvel of compact efficiency, this design ensures fluid, uninterrupted operational flows.
3-G1/2; Built for formidable performance and unwavering dependability, providing a steadfast foundation for your system's longevity.;
4-G3/4; Featuring state-of-the-art connectivity, it provides superior control and seamless system integration.;
5, 55-G1; Offers exceptional flow rates, perfect for high-demand applications, consistently delivering reliable outcomes.;
6-G1 1/4; Demonstrating unmatched performance, this component is engineered to excel in challenging environments, effortlessly overcoming barriers.;
(3) Additional Components and Specifications - Elevating system capability to unprecedented levels of excellence::
C,Standard Type - A hallmark of reliability, expertly engineered to meet essential operational needs with pinpoint precision.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, setting new standards for performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions to precisely meet diverse application demands:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailor-made solutions that seamlessly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, seamlessly enabling pump pressurization when powered and unloading when unpowered, ensuring efficiency and reliability; D - Normally closed magnetic ball valve, expertly facilitating pump unloading when powered and pressurization when unpowered, delivering optimal control.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, giving you peace of mind while operating.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This versatile component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum 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, meticulously crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs, reflecting our unwavering commitment to quality and innovation.
(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, expertly engineered with precision for seamless integration and operation, ensuring flawless performance.
(9)Directional valve block inflow controller options: Select from a diverse 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 delivering precision and exceptional efficiency, tailored to your specific hydraulic needs.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, ensuring optimal performance and adaptability.
(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 provide superior performance and reliability, meeting the demands of varied applications.
(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 and operational integrity.
(13) Function ON/OFF and pressure outlet options: Customize 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, embodying the pinnacle of hydraulic system customization.
(14) Operation modes: Explore an expansive selection of operation modes, meticulously crafted for comprehensive and precise control. Choose from A(1,2) for manual operation with optional long or short handles; E for electric proportional control; EA(1,2) for a blend of electric proportional control with manual operation; D for electric switching value control; DA(1,2) for combined electric switching value control and manual operation; M for manual friction positioning with a long handle; H for pure hydraulic control aligning pilot oil ports with oil ports A and B; and F for pure hydraulic control with perpendicular pilot oil ports.
(15) Ancillary block port sizes: Enhance your systems with our sophisticated and adaptable port size solutions. Choose from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is crafted to ensure seamless integration and unmatched flexibility, meticulously tailored to meet your specific needs with outstanding efficiency.
(16) End plate options: Discover our exceptional array of precisely tailored end plate innovations. E1 offers external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an additional port Y. E3 introduces a 2-position 3-way magnetic ball valve, elevating system pressure to premier safety valve levels when energized for superior performance and reliability.
E4 mirrors E1 with an internal pilot oil discharge and a sealed port T, while E5 replicates E2's excellence with internal discharge capabilities. E6 follows E3's forward-thinking design. Each variant ensures superior discharge control, optimizing system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our expansive range of expertly tailored solutions. Choose G12-12VDC for specialized applications demanding uncompromised safety and compatibility.G24: Choose this option for ultimate steadfast performance and unwavering dependability, ensuring your systems operate flawlessly.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selection with these options, engineered for peak efficiency and adaptability in various challenging environments.12: Exemplifying precision and reliability, these solutions are expertly tailored for flawless integration into your systems.bb621436: This code represents excellence, setting a new benchmark in our innovative design.
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.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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