Experience the revolutionary dawn in hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s avant-garde HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Far beyond mere components, they are the embodiment of engineering prowess and pioneering hydraulic innovation. These valves unify pressure, flow, and directional control into a singular, cohesive masterpiece, ensuring peerless performance and unyielding reliability across all applications. Meticulously constructed, they feature three essential functional modules: connecting blocks, directional valves, and end plates, each crafted for seamless integration into elite hydraulic systems critical for high-end engineering machinery. These precision-engineered valves skillfully regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering extraordinary precision and control. Their outstanding features include a sleek, compact design, unmatched energy efficiency, and seamless stepless speed modulation. Furthermore, they empower simultaneous operation of multiple actuators under varying loads, delivering unmatched performance and versatility across a myriad of applications.
The HLPSL valves are masterfully tailored for systems with constant displacement pumps, ensuring steadfast and reliable operations under any condition. Meanwhile, the HLPSV valves are meticulously designed for variable pump systems. Although they might exhibit a slightly slower response time, HLPSV valves distinguish themselves with remarkable energy-saving prowess, making them the optimal choice when efficiency is of utmost importance. These valves, with their cutting-edge engineering and eco-conscious design, stand as the quintessential solution for sophisticated hydraulic control needs, merging impeccable precision, unwavering reliability, and superior energy efficiency into one seamless, unparalleled 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 delivers unwavering, consistent output that ensures seamless and effective operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers unrivaled flexibility, meeting diverse operational demands with exceptional ease and precision.;
(2) Connection Block Ports P & R Specifications - The convergence of precision engineering and unwavering reliability forms the bedrock of your enduring operational framework::
2-G3/8; Designed for compact efficiency, this component ensures smooth and unhindered operational flows, enhancing system functionality.
3-G1/2; Engineered for robust performance and dependability, providing a formidable foundation for upholding your system's integrity with certainty.;
4-G3/4; Featuring state-of-the-art connectivity, it offers superior control and seamlessly improves system integration.;
5, 55-G1; With outstanding flow rates, this is ideal for high-demand applications, consistently and reliably delivering desired outcomes.;
6-G1 1/4; Providing unmatched performance, this expertly crafted component excels in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new pinnacles of excellence::
C,Standard Type - A stronghold of reliability, meticulously engineered to meet essential operational needs with precision and integrity.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly enhancing the system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unrivaled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions to meet a diverse range of application needs with absolute precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions that perfectly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevates system efficiency and control with precision and reliability:C - A non-magnetic ball valve perfectly designed for streamlined efficiency; F - A normally open magnetic ball valve, masterfully engineered to enable pump pressurization when powered and seamless unloading when not; D - An innovative normally closed magnetic ball valve, crafted to facilitate pump unloading when powered and empower pressurization when unpowered, offering unmatched flexibility.D/F - Elevate your operational safety standards with our precision-crafted pressure limiting valve, meticulously designed for secondary pressure (F50). This cutting-edge feature guarantees unparalleled safety protocols, significantly enhancing the security and reliability of your operations.
(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 exemplifies adaptability, fully accommodating a diverse array of hydraulic needs. For seamless configurations, /NF represents no pressure limiting valve, meticulously designed for HLPSV, ensuring impeccable pressure management across a wide variety of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications and providing you with a product that aligns seamlessly with your precise 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, meticulously engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Explore a diverse 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 precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve maximum 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 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, each measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 functionality.
(14) Operation modes: Experience unparalleled versatility with our diverse selection of operation modes, specifically crafted for your unique needs: A(1,2) - manual operation with both long and short handle options; E - electric proportional control delivering precise adjustments; EA(1,2) - a seamless combination of electric proportional control and manual operation for enhanced flexibility; D - electric switching value control for swift and efficient operation; DA(1,2) - a hybrid approach with electric switching value control and manual operation; M - manual friction positioning complemented by a long handle for ease of use; H - exclusive pure hydraulic control aligning pilot oil ports with oil ports A and B; F - advanced pure hydraulic control featuring perpendicular pilot oil ports. Each meticulously designed mode offers comprehensive and precise control, tailored to elevate your operational efficiency.
(15) Ancillary block port sizes: Transform your system's adaptability and integration with our expertly engineered port size solutions. Select from our meticulously crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each delivers unparalleled flexibility, tailored to meet your specific requirements with exceptional efficiency. Our solutions ensure that your systems operate seamlessly, providing unmatched precision and adaptability.
(16) End plate options: Discover our exceptional suite of end plate innovations, each precisely tailored for specific needs. E1 sets the benchmark with its external pilot oil discharge and an external oil return control port T. Elevate functionality with E2, introducing an additional port Y for superior adaptability. Experience groundbreaking innovation with E3, which incorporates a 2-position 3-way magnetic ball valve, raising your system's pressure to premier safety valve standards when energized, ensuring unmatched reliability and exceptional performance.
E4 replicates the excellence of E1 with the advantage of internal pilot oil discharge and a sealed port T. E5 reflects the superior functionality of E2, now enhanced with internal discharge capabilities. E6 mirrors the forward-thinking design of E3, providing advanced technology for ultimate performance. Each variant ensures superior discharge control, guaranteeing your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance the safety and reliability of your system with our extensive range of expertly designed solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility, ensuring your operations are fortified with the best in class protection.G24: Opt for this ultimate solution for steadfast performance and unwavering dependability, engineered to deliver reliability across diverse applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Amplify your strategic selection with these expertly engineered options, each designed for peak efficiency and adaptability across a multitude of challenging environments, ensuring optimal performance and reliability.12: A paragon of precision and reliability, meticulously crafted for flawless integration into your systems, delivering seamless operation and unmatched performance.bb621436: The epitome of excellence, this code sets a benchmark in our innovative design, representing a standard of quality and pioneering engineering.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been illuminating the hydraulic industry with unwavering brilliance and trailblazing innovation. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand proudly as a preeminent national high-tech enterprise. Our expertise radiates through our meticulous research, pioneering development, state-of-the-art manufacturing, and strategic sales of premium hydraulic components. Our esteemed title as a national 'specialized, refined, and innovative' small giant enterprise underscores our relentless pursuit of technological advancement and superior quality. This tireless dedication confidently positions us as frontrunners in our industry.
Our Safety Atex Valve, the flagship of our offerings, epitomizes the zenith of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a transformative 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 on the world stage.
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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