Step into the future of hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are the embodiment of superior engineering mastery and avant-garde hydraulic innovation. By flawlessly marrying pressure, flow, and directional control into a unified entity, our valves achieve extraordinary performance and steadfast reliability in every use. Crafted with exacting precision, they include three pivotal functional modules - connecting blocks, directional valves, and end plates - meticulously designed for inclusion in elite hydraulic systems, indispensable for high-grade engineering machinery. Our valves precisely modulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched accuracy and control. Remarkable features include an elegant, compact design, exceptional energy efficiency, and the capacity for seamless speed modulation. Furthermore, they enable the simultaneous operation of multiple actuators under varying loads, delivering unmatched performance and flexibility across a wide array of applications.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering, reliable functionality in any environment. Conversely, the HLPSV valves are expertly designed for variable pump systems. Despite a slightly slower response, HLPSV valves are distinguished by their exceptional energy-saving properties, making them the prime choice when efficiency is critical. These valves, with cutting-edge engineering and an environmentally-friendly design, emerge as the supreme solution for advanced hydraulic control requirements, marrying impeccable precision, reliability, and energy efficiency in one integrated 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 - No magnetic ball valve; F - Normally open magnetic ball valve, facilitating pump pressurization when energized and ensuring unloading when de-energized; D - Normally closed magnetic ball valve, designed to allow pump unloading when energized and pressurization when de-energized;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, significantly enhancing operational security and reliability to an unparalleled degree.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component stands for adaptability, fully accommodating a wide range of hydraulic needs. For seamless configurations, /NF denotes no pressure limiting valve, expertly tailored for HLPSV, ensuring outstanding pressure management across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering brilliance, expertly designed to meet diverse applications, providing you with 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, precisely engineered for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from an extensive range 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 unparalleled precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Optimize 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 steadfast reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for 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 such as: 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 crafted for precise control and enhanced functionality.
(14) Operation modes: Experience unparalleled versatility with our array of operation modes designed for your every need. Choose from: A(1,2), manual operation with options for a long or short handle; E, electric proportional control; EA(1,2), combining electric proportional and manual control; D, electric switching control; DA(1,2), merging electric switching and manual control; M, manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with A and B; F, pure hydraulic with perpendicular pilot oil ports. Each mode is crafted for precision and total control.
(15) Ancillary block port sizes: Enhance your system's integration with our port size solutions, crafted for adaptability. Choose from: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously tailored for your specific requirements, ensuring efficiency and flexibility.
(16) End plate options: Discover our exceptional end plate designs. E1 features external pilot oil discharge with an external oil return port T. E2 adds port Y for more functionality. E3 includes a 2-position 3-way magnetic ball valve, elevating your system to high safety valve standards, ensuring unmatched reliability and performance.
E4, similar to E1, offers internal pilot oil discharge with a sealed port T. E5 matches E2's excellence now with internal discharge. Embrace the future with E6, reflecting E3's innovative design. Each variant assures exceptional discharge control for optimal system efficiency.
(17) Control voltage and anti-explosion cable options: Upgrade your system's safety with our extensive voltage options. Choose G12-12VDC for specialized applications needing peak safety and compatibility.G24: Your definitive choice for consistent performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Select from these solutions, designed for superior efficiency and adaptability in demanding environments.12: Crafted for precision and dependability, ensuring seamless system integration.bb621436: The epitome of excellence, this code sets a new standard 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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