Step into the future of hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are more than just components; they represent the pinnacle of engineering prowess and avant-garde hydraulic innovation. By harmoniously merging pressure, flow, and directional control into a single, unified entity, these valves offer superior performance and steadfast reliability for every application. Ingeniously crafted, they feature three essential functional modules - connecting blocks, directional valves, and end plates - meticulously designed for seamless integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. These valves deftly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Standout features include a sleek, compact design, exceptional energy efficiency, and the capability for infinite speed modulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering extraordinary performance and adaptability across a wide range of applications.
Specially engineered for constant displacement pump systems, the HLPSL valves ensure unwavering, consistent operation across all scenarios. Conversely, HLPSV valves are carefully crafted for variable pump systems. While they may show a slightly slower response, HLPSV valves excel in their remarkable energy-saving attributes, making them an exceptional choice when efficiency takes precedence. These valves, embodying cutting-edge engineering and an eco-friendly design, stand as the premier solution for sophisticated hydraulic control requirements, seamlessly merging precision, dependability, and energy efficiency into one cohesive 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 - This resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
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 - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Revolutionize your system with our innovative no magnetic ball valve; F - Discover the efficiency of our normally open magnetic ball valve, which powers up your pump for pressurization and seamlessly unloads it when not powered; D - Experience the reliability of our normally closed magnetic ball valve, designed to effortlessly unload your pump when powered, and pressurize it when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted for secondary pressure (F50). This cutting-edge feature assures the highest level of safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, perfectly accommodating a broad range of hydraulic needs. To ensure flawless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, delivering flawless 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 an engineering marvel, meticulously crafted to meet diverse applications, offering a product that aligns seamlessly with your specific 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, expertly engineered for seamless integration and functionality.
(9)Directional valve block inflow controller options: Choose 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, curated specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each promising precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with exceptional peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed to provide superior performance and reliability.
(12) Secondary pressure limitation options: Select 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 safety for your system.
(13) Function ON/OFF and pressure outlet options: Personalize 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 meticulously engineered for unparalleled control and functionality.
(14) Operation modes: Choose from an impressive selection of operation modes tailored to meet your every need: A(1,2) offers manual operation with optional long or short handles; E provides electric proportional control for precision; EA(1,2) combines electric control with manual prowess; D focuses on electric switching value control; DA(1,2) merges this with manual operation for enhanced control; M employs manual friction positioning with a long handle; H is all about pure hydraulic control by aligning pilot oil ports A and B; and F offers pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously designed to provide a comprehensive and precise control experience.
(15) Ancillary block port sizes: Enhance your systems with our premium port size solutions, engineered for flawless integration and superior adaptability. Explore our expertly crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice provides unparalleled flexibility and is specifically tailored to meet your precise requirements with remarkable efficiency.
(16) End plate options: Discover our remarkable range of precisely engineered end plate solutions. E1 sets a high standard with its external pilot oil discharge and external oil return control port T. Experience the upgraded functionality of E2, equipped with an additional port Y for advanced versatility. Delve into E3's groundbreaking innovation, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to premier safety valve standards when energized, ensuring exceptional performance and reliability.
E4 offers the unique feature of internal pilot oil discharge paired with a sealed port T, providing a distinct advantage. E5 emulates the superior functionality of E2, enhanced with internal discharge capabilities. Embrace cutting-edge technology with E6, reflecting the innovative design of E3. Each model ensures superior discharge control, guaranteeing your system's peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly designed solutions. Opt for G12-12VDC for specialized applications that demand supreme safety and compatibility.G24: Your ultimate solution for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these options, crafted to deliver peak efficiency and adaptability in a variety of challenging environments.12: A hallmark of precision and reliability, meticulously tailored for seamless integration into your systems.bb621436: The epitome of excellence, setting a new benchmark in our groundbreaking 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.