Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just mere parts; they are the epitome of engineering brilliance and state-of-the-art hydraulic innovation. By ingeniously integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application conceivable. Crafted with unparalleled precision, they consist of three integral functional modules - connecting blocks, directional valves, and end plates - meticulously engineered for seamless integration into top-tier hydraulic systems, essential for premier engineering machinery. These valves regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators with unrivaled precision and control. Notable features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously amid varying loads, providing unparalleled performance and versatility across a diverse spectrum of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a marginally slower response, HLPSV valves are distinguished by their extraordinary energy-saving capabilities, making them the quintessential choice when efficiency is of the utmost importance. With state-of-the-art engineering and eco-conscious design, these valves emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable precision, reliability, and energy efficiency into one seamless, powerful 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 - Immerse in cutting-edge technology with our no magnetic ball valve, designed for seamless operations. F - Experience superior efficiency with our normally open magnetic ball valve that activates pump pressurization when powered and effortlessly unloads when unpowered. D - Elevate functionality with the normally closed magnetic ball valve, enabling pump unloading when powered and precise pressurization when unpowered.D/F - Elevate your operational safety to unprecedented heights with our meticulously crafted pressure limiting valve, designed exclusively for secondary pressure (F50). This avant-garde feature is your assurance of advanced safety protocols, significantly boosting operational security and impeccable reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash groundbreaking versatility and precision with pressure settings ranging from 63 to 400 bar, customizable to your unique needs. This embodiment of adaptability caters to a wide array of hydraulic demands. For perfectly tailored configurations, /NF denotes absence of a pressure limiting valve, precisely crafted for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Explore a realm of unrivaled engineering prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series epitomizes engineering mastery, meticulously designed to meet a variety of applications, offering you a product that seamlessly aligns with your exact specifications.
(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, precision-engineered for flawless integration and operation.
(9)Directional valve block inflow controller options: Discover a vast range of options: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and outstanding efficiency.
(10) Valve core function symbols: Uncover an extensive array of core functionalities: L, M, F, H, J, B, R, O, N, each precisely crafted to meet distinct functional specifications.
(11) Output flow code for ports A & B: Amplify efficiency with peak output flow capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly engineered for 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 precisely measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Perfectly 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 exact control and functionality.
(14) Operation Modes: Experience an extensive selection of operation modes designed to suit every need: A(1,2) for manual operation with choices of a long or short handle; E for electric proportional control; EA(1,2) combining electric proportional control with manual operation; D for electric switching value control; DA(1,2) merging electric switching value control with manual modes; M for manual friction positioning using a long handle; H for pure hydraulic control with pilot oil ports aligned with oil ports A and B; and F for pure hydraulic control with perpendicular pilot oil ports. Each mode is intricately crafted to deliver comprehensive and precise control, elevating your operational capabilities.
(15) Ancillary Block Port Sizes: Enhance your system's versatility with our expertly crafted port size solutions, designed for seamless integration and adaptability. Choose from our meticulously engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is tailored to offer unmatched flexibility, ensuring your precise requirements are met with outstanding efficiency.
(16) End Plate Options: Discover our exceptional suite of end plate innovations. E1 features external pilot oil discharge with an external oil return control port T. E2 enhances your system with an additional port Y, amplifying functionality. E3 introduces a 2-position 3-way magnetic ball valve, elevating your system's pressure to elite safety valve levels when energized. This ensures superior performance and reliability that is second to none.
E4, akin to E1, features an internal pilot oil discharge and a sealed port T. E5 replicates E2's excellence, now with internal discharge capabilities. Step into advanced technology with E6, reflecting E3's innovative design. Each variant provides exceptional discharge control, guaranteeing peak efficiency and optimal performance for your systems.
(17) Control Voltage and Anti-Explosion Cable Options: Fortify your system's safety and reliability with our comprehensive range of tailored solutions. Opt for G12-12VDC, ideal for specialized applications that require uncompromised safety and compatibility.G24: Choose the ultimate solution for unwavering performance and dependable operation, ensuring your system's reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these options, designed for peak efficiency and adaptability in diverse and challenging environments.12: Embodying precision and reliability, our solution is meticulously crafted for flawless integration into your systems, ensuring seamless operation and dependability.bb621436: The pinnacle of excellence, this code sets a new benchmark in our innovative design approach, showcasing our commitment to pioneering advancements.
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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