Welcome to a new era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These dynamic components exemplify a perfect fusion of engineering prowess and state-of-the-art hydraulic innovation. By harmoniously integrating pressure, flow, and directional control into one unified entity, our valves ensure extraordinary performance and steadfast reliability in all applications. Meticulously engineered, they feature three essential functional modules - connecting blocks, directional valves, and end plates - meticulously crafted for seamless incorporation into elite hydraulic systems, vital for premier engineering machinery. These valves expertly regulate the directional movement and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. With their elegant, compact design, outstanding energy efficiency, and capability for stepless speed modulation, they set a new standard. Additionally, they enable multiple actuators to function simultaneously under varying loads, offering unparalleled performance and versatility across a wide range of applications.
The HLPSL valves are precisely engineered for constant displacement pump systems, ensuring consistent, reliable operations in every situation. Conversely, the HLPSV valves are expertly designed for variable pump systems. While they may have a slightly slower response, HLPSV valves are renowned for their exceptional energy-saving capabilities, making them the perfect choice where efficiency is a priority. Featuring cutting-edge engineering and an eco-friendly design, these valves stand as the ultimate solution for advanced hydraulic control needs, merging impeccable precision, reliability, and energy efficiency into one seamless offering.
| 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 hardy performer guarantees unwavering reliability, consistently delivering exceptional results to ensure seamless and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - A paragon of versatility and adaptability, this pump provides unparalleled flexibility, effortlessly meeting a diverse array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets steadfast reliability, creating a robust operational framework::
2-G3/8; Engineered for compact efficiency, it maintains smooth, uninterrupted operational flows with ease.
3-G1/2; Built for durable performance and steadfast dependability, providing a sturdy base for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, it affords superior control and seamless system integration.;
5, 55-G1; Ideal for high-demand applications, it boasts outstanding flow rates for consistent and reliable outcomes.;
6-G1 1/4; Expertly crafted to perform exceptionally in challenging environments, overcoming obstacles with unmatched prowess.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights of excellence::
C,Standard Type - A paradigm of reliability, meticulously engineered to fulfill core operational needs with unwavering precision.;
G,Throttle Valve (For HLPSL only) - Offers precision control, significantly bolstering the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions with precision to meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that perfectly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and precision control:C - No magnetic ball valve; F - The normally open magnetic ball valve ingeniously enables pump pressurization when powered, and effortlessly facilitates unloading when unpowered; D - The normally closed magnetic ball valve, expertly designed to facilitate pump unloading when powered and seamless pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly enhancing operational security and reliability with unparalleled precision.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a vast spectrum 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, providing you with a product that aligns seamlessly with your precise needs, embodying the peak of technological innovation.
(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, engineered with precision for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Select 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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency, tailored to meet your unique requirements.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with utmost precision and reliability.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability in all conditions.
(12) Secondary pressure limitation options: Choose 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 with precision engineering.
(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 optimized functionality.
(14) Operation modes: Explore a spectrum of intricately designed operation modes, each tailored for precision and adaptability: A(1,2) - immerse in manual operation, with a choice between a long or short handle; E - indulge in electric proportional control; EA(1,2) - experience a harmonious blend of electric proportional control and manual operation; D - engage in electric switching value control; DA(1,2) - a sophisticated combination of electric switching value control and manual operation; M - delight in manual friction positioning featuring a long handle; H - purely hydraulic control, aligning pilot oil ports with oil ports A and B; F - purely hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted to ensure comprehensive and precise control, elevating your system's performance.
(15) Ancillary block port sizes: Transform your systems with our exquisitely engineered port size solutions that ensure seamless adaptability and integration. Choose from our expertly designed array: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unparalleled flexibility, meticulously tailored to meet your precise needs with exceptional efficiency, ensuring your systems achieve optimal performance.
(16) End plate options: Uncover our extraordinary suite of precisely tailored end plate innovations. E1 sets the benchmark, featuring external pilot oil discharge with an external oil return control port T. Experience the advanced functionality of E2, introducing an additional port Y. Discover the innovation of E3, integrating a 2-position 3-way magnetic ball valve, elevating system pressure to premier safety valve levels when energized. This guarantees superior performance and unmatched reliability.
E4, akin to E1, is unique with an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now with internal discharge capabilities. Step into cutting-edge technology with E6, echoing E3's pioneering design. Each variant ensures superior discharge control, optimizing system efficiency and performance to the highest standard.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility, ensuring your systems operate seamlessly.G24: The ultimate solution for unwavering performance and dependability, designed to maintain steadfast operation under demanding conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these advanced options. Each is engineered for peak efficiency and adaptability, ensuring robust performance across various demanding environments.12: Exemplifying precision and reliability, perfectly tailored for seamless integration into your systems, guaranteeing flawless operation.bb621436: A hallmark of excellence, this code sets a benchmark in our pioneering design, reflecting our commitment to innovative and superior engineering.
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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