Witness the dawn of a transformative era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they symbolize a masterly fusion of engineering prowess with cutting-edge hydraulic innovation. By integrating pressure, flow, and directional control into a single, unified unit, our valves deliver unparalleled performance and unwavering reliability for all applications. Meticulously crafted, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - each designed with precision for flawless integration into premium hydraulic systems, vital for elite engineering machinery. These valves expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Noteworthy features include a sleek, space-saving design, exceptional energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to operate concurrently under varying loads, delivering extraordinary performance and versatility across a wide range of applications.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and reliable operations in any circumstance. Conversely, the HLPSV valves are intricately crafted for variable pump systems. Though they may exhibit a slightly slower response, HLPSV valves are distinguished by their remarkable energy-saving capabilities, making them the optimal choice when maximizing efficiency is crucial. These valves, with their advanced engineering and eco-friendly design, emerge as the definitive solution for sophisticated hydraulic control requirements, combining impeccable precision, reliability, and energy efficiency in 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 - Experience the pinnacle of performance reliability with this robust titan. It guarantees steadfast and uniform delivery, assuring seamless and effective operations throughout your entire system.;
HLPSV: Variable Displacement Pump - Exemplifying versatility and adaptability, this pump showcases matchless flexibility, effortlessly meeting an extensive array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets steadfast reliability, creating a resilient operational framework::
2-G3/8; Innovatively designed for compact efficiency, it assures smooth, uninterrupted operational flow.
3-G1/2; Engineered for robust performance and dependability, providing a solid foundation for sustaining system integrity.;
4-G3/4; With cutting-edge connectivity, this component offers superior control and seamlessly enhances system integration.;
5, 55-G1; Designed for outstanding flow rates, it's perfect for high-demand applications, delivering consistent and reliable results.;
6-G1 1/4; Providing unparalleled performance, this component is expertly crafted to excel in demanding environments with ease.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unprecedented levels of excellence::
C,Standard Type - A reliable bastion, meticulously engineered to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions crafted 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 customized solutions that align seamlessly with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance system efficiency and control with exceptional precision:C - Experience the innovation of our no magnetic ball valve; F - Discover the reliability of our normally open magnetic ball valve, which ensures pump pressurization when powered and effortless unloading when unpowered; D - Explore the efficiency of our normally closed magnetic ball valve, designed to facilitate pump unloading when powered and seamless pressurization when unpowered.D/F - Elevate your safety standards with our precisely engineered pressure limiting valve, crafted for secondary pressure (F50). This state-of-the-art valve guarantees advanced safety protocols, significantly enhancing the operational security and reliability of your system.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating a vast array of hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across diverse 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 cater to a wide range of applications, 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, expertly engineered for seamless integration and 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, designed specifically 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 selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements.
(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.
(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.
(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: Delve into a versatile spectrum of operation modes: A(1,2) - manual operation available with customizable long or short handles; E for electric proportional control; EA(1,2) - harmonizing electric proportional control with manual operation; D embodies electric switching value control; DA(1,2) combines the precision of electric switching value control with manual flexibility; M features manual friction positioning using a long handle; H represents pure hydraulic control aligning pilot oil ports with ports A and B; F offers pure hydraulic control with perpendicular alignment of pilot oil ports, all meticulously engineered for superior control and precision.
(15) Ancillary block port sizes: Enhance your systems with our exquisitely designed port size solutions, engineered to ensure seamless adaptability and flawless integration. Choose from our expertly crafted array of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each solution provides unmatched versatility, meticulously tailored to meet your specific requirements with exceptional efficiency and sophistication.
(16) End plate options: Explore our extraordinary collection of precisely tailored end plate innovations. E1 sets the benchmark, featuring external pilot oil discharge and an external oil return control port T. Elevate your system's performance with E2, which introduces an additional port Y, enhancing functionality. Discover the groundbreaking innovation of E3, incorporating a 2-position 3-way magnetic ball valve. This elevates your system's pressure to premier safety valve levels when energized, ensuring outstanding performance and unmatched reliability.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now with enhanced internal discharge capabilities. Embrace advanced technology with E6, echoing E3's innovative design. Each variant guarantees superior discharge control, ensuring peak system efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly tailored solutions. Opt for G12-12VDC, ideal for specialized applications requiring uncompromised safety and compatibility.G24: The quintessential choice for unwavering performance and steadfast dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Amplify your strategic selection with these options, engineered to deliver peak efficiency and adaptability in diverse and challenging environments.12: Exemplifying precision and reliability, expertly crafted for seamless integration into your systems.bb621436: The 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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