Witness the dawn of a transformative era in the realm of hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they embody the pinnacle of engineering mastery and groundbreaking hydraulic innovation. By seamlessly merging pressure, flow, and directional control into one unified entity, our valves deliver exceptional performance and steadfast reliability across all applications. Crafted with meticulous precision, they incorporate three integral functional modules: connecting blocks, directional valves, and end plates, all expertly designed for integration into top-tier hydraulic systems, which are indispensable in premier engineering machinery. These valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Distinguished features include a sleek, compact design, exceptional energy efficiency, and the capability for seamless speed modulation. Moreover, they empower multiple actuators to operate concurrently under varying loads, delivering unparalleled performance and versatility across a vast array of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, guaranteeing steadfast and reliable operations in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although they may exhibit a slightly slower response, HLPSV valves are unparalleled for their remarkable energy-saving capabilities, rendering them the ideal choice when efficiency is of utmost priority. These valves, with their state-of-the-art engineering and eco-conscious design, emerge as the consummate solution for sophisticated hydraulic control needs, harmoniously combining impeccable precision, unwavering reliability, and outstanding 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 - 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: Achieve seamless pump pressurization when powered and ensure unloading when unpowered; D - Normally closed magnetic ball valve: Effortlessly facilitate pump unloading when powered and pressurization when unpowered.D/F - Elevate your safety standards with our cutting-edge pressure limiting valve, engineered with precision for secondary pressure (F50). This advanced feature ensures the pinnacle of safety protocols, significantly enhancing your operational security and bolstering overall reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, catering to a vast array of hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, expertly tailored for HLPSV, ensuring precise pressure management across a broad spectrum of applications.
(7) Product Series Classification - The Apex of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series: Each series is an engineering marvel, meticulously crafted to meet diverse applications, providing a product that seamlessly aligns with your exact needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for flawless integration and operation.
(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, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and outstanding 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 fulfill definite functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver stellar 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, assuring uncompromised system safety.
(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 option meticulously engineered for precise control and outstanding functionality.
(14) Operation modes: Delight in our diverse array of operation modes, expertly designed to cater to your unique control preferences: A(1,2) offers versatile manual operation with either a long or short handle; E brings the sophistication of electric proportional control; EA(1,2) harmoniously blends electric proportional control with manual operation for unmatched versatility; D features efficient electric switching value control; DA(1,2) combines this with manual operation for enhanced precision; M offers manual friction positioning with a long handle for straightforward usability; H facilitates pure hydraulic control by aligning pilot oil ports with oil ports A and B; F takes pure hydraulic control further with perpendicular pilot oil ports, all meticulously crafted to ensure comprehensive and precise control.
(15) Ancillary block port sizes: Elevate your systems with our meticulously engineered port size solutions, designed for flawless adaptability and seamless integration. Choose from our expertly rendered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each size variant delivers exceptional flexibility, meticulously tailored to meet your precise needs with outstanding efficiency.
(16) End plate options: Discover our remarkable suite of precisely tailored end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T for optimal control. Amplify your system with E2, adding an extra port Y for enhanced functionality. E3 introduces breakthrough design with a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4 mirrors E1's distinctiveness with an internal pilot oil discharge and a sealed port T. E5 upholds E2's excellence, now enhanced with internal discharge capabilities. Embrace advanced technology with E6, echoing E3's innovative design, each variant promising superior discharge control to guarantee your system's peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our extensive selection of expertly tailored solutions. Choose G12-12VDC for specialized applications that require uncompromised safety and seamless compatibility.G24: The ultimate selection for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Advance your strategic selection with these options, engineered for peak efficiency and adaptability across a spectrum of challenging environments.12: A testament to precision and reliability, expertly crafted for seamless integration into your systems.bb621436: A hallmark of excellence, setting a new standard in our pioneering 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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