Behold the dawn of a transformative era in hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just mere components; they represent an exquisite blend of engineering mastery and avant-garde hydraulic innovation. With an ingenious integration of pressure, flow, and directional control into a singular, cohesive unit, our valves ensure exceptional performance and unyielding reliability across all applications. Meticulously crafted, they are composed of three essential functional modules-connecting blocks, directional valves, and end plates-meticulously designed for incorporation into elite hydraulic systems, crucial for superior engineering machinery. These valves expertly regulate the directional movement and velocity of hydraulic cylinders, motors, and other actuators, delivering unrivaled precision and control. They boast a sleek, compact design, unmatched energy efficiency, and the capability for seamless speed modulation. Furthermore, they enable simultaneous operation of multiple actuators under varying loads, offering unprecedented performance and versatility across a wide array of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, delivering steadfast, reliable operations across various scenarios. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Although they may exhibit a slightly slower response, HLPSV valves are renowned for their remarkable energy-saving attributes, making them the preferred choice when efficiency is of the utmost importance. With state-of-the-art engineering and an eco-conscious design, these valves emerge as the superior solution for sophisticated hydraulic control requirements, seamlessly combining impeccable precision, reliability, and energy efficiency in one elegant 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 - Experience the epitome of versatility and adaptability with this pump, offering unmatched flexibility to effortlessly meet a diverse spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets unwavering reliability to establish a robust operational framework::
2-G3/8; Impeccably designed for compact efficiency, it guarantees smooth and unobstructed operational flows throughout your system.
3-G1/2; Engineered for unparalleled robustness, this port delivers a foundational strength that sustains your system's integrity effortlessly.;
4-G3/4; Featuring cutting-edge connectivity, it provides superior control while seamlessly enhancing system integration.;
5, 55-G1; With exceptional flow rates, this is the optimal choice for high-demand applications, delivering reliable and consistent outcomes.;
6-G1 1/4; This component offers unparalleled performance, expertly crafted to excel in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Elevating your system capabilities to unprecedented heights of excellence::
C,Standard Type - A stalwart of reliability, meticulously engineered to meet essential operational needs with unmatched precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions to meet your diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting tailored solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control across your system with precision-engineered enhancements:C - Our innovative no magnetic ball valve; F - The normally open magnetic ball valve, ingeniously designed to enable pump pressurization when powered and expertly facilitate unloading when unpowered; D - The normally closed magnetic ball valve, skillfully crafted to facilitate pump unloading when powered and pressurization when unpowered, exemplifies our commitment to excellence.D/F - Elevate your operational safety standards with our meticulously precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, significantly boosting operational security and enhancing system reliability for unparalleled peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component sets a new standard for adaptability, fully accommodating a vast array of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously engineered for HLPSV, ensuring impeccable pressure management across an extensive range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover the epitome of engineering with our product series, each an iconic marvel of innovation, expertly crafted to meet diverse applications, providing you a solution that aligns perfectly with your unique and precise needs.;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering marvel, masterfully crafted to meet diverse applications, ensuring a seamless match with your exacting requirements and delivering unmatched performance.
(8)Thread size of directional spool valve ports A & B: Select the perfect thread size from a diverse range: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, engineered with unparalleled precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, an enhanced inflow controller; 8, pre-selectable options, each delivering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Uncover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with impeccable performance.
(11) Output flow code for ports A & B: Optimize your system 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, reliability, and unmatched efficiency.
(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 system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your system with tailored 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 to deliver precise control and impeccable functionality.
(14) Operation modes: Choose from an extensive selection of innovative operation modes, each meticulously designed for unmatched precision and comprehensive control. A(1,2) offers manual operation with a choice of long or short handles; E delivers electric proportional control; EA(1,2) seamlessly combines electric proportional control with manual operation; D provides electric switching value control; DA(1,2) merges electric switching value control with manual operation; M features manual friction positioning with a long handle; H is dedicated to pure hydraulic control (aligning pilot oil ports with oil ports A and B); F offers pure hydraulic control with perpendicular pilot oil ports, all crafted to perfection for your control needs.
(15) Ancillary block port sizes: Empower your systems with our precision-engineered port size solutions, designed for perfect adaptability and seamless integration. Choose from our range of expertly crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides unparalleled flexibility and is meticulously crafted to meet your exact requirements with exceptional efficiency.
(16) End plate options: Explore our exceptional range of precisely crafted end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Experience enhanced functionality with E2, introducing an additional port Y. Discover the revolutionary E3, featuring a 2-position 3-way magnetic ball valve that elevates your system's pressure to premier safety valve standards when energized, ensuring exceptional performance and reliability.
E4, akin to E1, stands out with internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now with added internal discharge capabilities. Advance with E6, reflecting E3's cutting-edge design. Each variant guarantees superior discharge control, ensuring optimal performance and peak efficiency in your system.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our comprehensive range of expertly tailored solutions. Select G12-12VDC for specialized applications that require uncompromising safety and compatibility.G24: The epitome of steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selection with these options, defined for maximum efficiency and adaptability in a variety of challenging environments.12: Exemplifying precision and reliability, expertly customized for seamless integration into your systems.bb621436: The hallmark of excellence, establishing a 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.
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