Welcome to the forefront of hydraulic innovation with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they are the epitome of engineering prowess and avant-garde hydraulic technology. By harmoniously melding pressure, flow, and directional control into a unified system, our valves deliver unparalleled performance and steadfast reliability in every application. Painstakingly crafted, they comprise three essential functional modules: connecting blocks, directional valves, and end plates, all designed with precision for seamless integration into premier hydraulic systems, indispensable for elite engineering machinery. The valves expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key features include a modern, compact design, excellent energy efficiency, and stepless speed modulation capability. Furthermore, they enable multiple actuators to function concurrently under various loads, offering extraordinary performance and adaptability across a wide range of applications.
The HLPSL valves are superbly optimized for constant displacement pump systems, guaranteeing unwavering, dependable operations in any situation. Conversely, the HLPSV valves are precisely engineered for variable pump systems. Although they may have a slightly slower response time, HLPSV valves excel in energy-saving capabilities, making them the premier choice when efficiency is crucial. These valves, with their cutting-edge engineering and environmentally-conscious design, stand as the ultimate solution for advanced hydraulic control requirements, seamlessly combining impeccable precision, reliability, and energy efficiency into a 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 - Innovative no magnetic ball valve; F - A groundbreaking normally open magnetic ball valve that energizes pump pressurization when powered and smoothly unloads when unpowered; D - A cutting-edge normally closed magnetic ball valve, facilitating pump unloading when powered and seamless pressurization when unpowered.D/F - Elevate your safety standards exponentially with our precision-engineered pressure limiting valve crafted for secondary pressure (F50). This avant-garde feature ensures state-of-the-art safety protocols, significantly heightening operational security and reliability, providing peace of mind and flawless performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings from 63 to 400 bar. This component is the epitome of adaptability, expertly accommodating a diverse range of hydraulic demands. Seamless configurations are ensured with /NF representing no pressure limiting valve, meticulously tailored for HLPSV, guaranteeing impeccable pressure management for an extensive variety of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering prowess, expertly crafted to cater to diverse applications, offering a product that aligns seamlessly with your distinctive needs, ensuring unmatched performance and satisfaction.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for flawless integration and efficient operation.
(9)Directional valve block inflow controller options: Select from an extensive array of choices: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, meticulously designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and exceptional efficiency, delivering unmatched control and performance.
(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 with precision and reliability.
(11) Output flow code for ports A & B: Maximize efficiency with optimal output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, masterfully designed to ensure superior performance and reliability across diverse 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 meticulously measured in bar, ensuring uncompromised system safety and unparalleled security.
(13) Function ON/OFF and pressure outlet options: Tailor your system with bespoke options like: N, absence of 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 designed for precise control and optimal functionality, ensuring superior system performance.
(14) Operation modes: Select from an expansive and diverse array of operation modes designed for ultimate versatility and control. Choose A(1,2) for manual operation with your preference of long or short handle; E for electric proportional control; and EA(1,2) for a seamless blend of electric proportional control combined with manual operation. Opt for D, offering electric switching value control; or DA(1,2), merging electric switching value control with manual operation. Experience 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. Each meticulously crafted mode ensures comprehensive, precise control for every application.
(15) Ancillary block port sizes: Elevate your systems with our expertly engineered port size solutions, crafted for exceptional adaptability and seamless integration. Our portfolio includes precisely designed options such as /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection is a masterpiece of flexibility, meticulously tailored to meet your unique requirements with outstanding efficiency.
(16) End plate options: Immerse yourself in our remarkable suite of precisely tailored end plate innovations. E1 leads with excellence, featuring external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an additional port Y, refining your operational experience. E3 introduces revolutionary technology with a 2-position 3-way magnetic ball valve, elevating system pressure to superior safety valve standards when energized, ensuring top-tier performance and reliability.
E4, akin to E1, is unique with an internal pilot oil discharge and sealed port T. E5 mirrors E2's brilliance, now enriched with internal discharge capabilities. Advance confidently into cutting-edge technology with E6, echoing E3's innovative design. Each variant is engineered for outstanding discharge control, guaranteeing your system operates at peak efficiency and optimum performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our comprehensive range of precisely tailored solutions. Choose G12-12VDC for applications demanding unparalleled safety and compatibility.G24: The ultimate solution for steadfast performance and unwavering reliability, ensuring that your system operates flawlessly under the most demanding conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, meticulously engineered for peak efficiency and adaptability across a spectrum of challenging environments, ensuring seamless operation.12: Exemplifying precision and reliability, expertly crafted for seamless integration into your systems, enhancing operational excellence.bb621436: The pinnacle of excellence, setting a new standard in our pioneering design, embodying the essence of innovation and quality.
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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