Witness the dawn of a groundbreaking era in hydraulic technology with our cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are the epitome of engineering brilliance and innovative hydraulic advancements. Seamlessly integrating pressure, flow, and directional control into one cohesive unit, our valves promise exceptional performance and steadfast reliability in all applications. Crafted with precision, they comprise three essential functional modules-connecting blocks, directional valves, and end plates-all meticulously designed for integration into top-tier hydraulic systems, vital for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Highlights include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast, reliable operations in every scenario. In contrast, the HLPSV valves are meticulously designed for variable pump systems. Although they may exhibit a slightly slower response, the HLPSV valves excel in their remarkable energy-saving capabilities, making them the preferred choice when efficiency is crucial. These valves, with their state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, seamlessly combining impeccable precision, reliability, and energy efficiency in one comprehensive 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 powerhouse of unwavering performance guarantees a steadfast, consistent output, ensuring that your entire system operates smoothly and efficiently without interruption.;
HLPSV: Variable Displacement Pump - Embodying the pinnacle of flexibility and adaptability, this pump delivers unmatched versatility, effortlessly accommodating a broad spectrum of operational demands with superior ease.;
(2) Connection Block Ports P & R Specifications - Precision-engineered to cultivate a robust and reliable operational foundation, these specifications form the backbone of enduring system integrity::
2-G3/8; Designed for peak efficiency and space-saving convenience, it ensures the smoothest operational flows without hindrance.
3-G1/2; Meticulously crafted for superior performance and reliability, providing a steadfast platform for maintaining your system's strength.;
4-G3/4; Integrating state-of-the-art connectivity, it offers supreme control and seamless system integration.;
5, 55-G1; With remarkable flow rates, it is the perfect choice for high-demand applications, ensuring consistent and dependable results.;
6-G1 1/4; Delivering unrivaled performance, this component is expertly designed to excel in challenging environments, conquering obstacles with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to extraordinary levels of excellence::
C,Standard Type - A pillar of reliability, meticulously designed to meet essential operational demands with flawless precision.;
G,Throttle Valve (For HLPSL only) - Provides exact control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, propelling unrivaled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions to precisely meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that seamlessly align with your distinct operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing system efficiency and control with precision-engineered excellence:C - Discover our Non-Magnetic Ball Valve, perfect for applications not requiring magnetic function; F - Normally Open Magnetic Ball Valve: This innovative feature allows for pump pressurization when powered and seamless unloading when unpowered, enhancing system efficiency; D - Normally Closed Magnetic Ball Valve: Facilitates effortless pump unloading when powered and efficient pressurization when unpowered, ensuring operational reliability.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, designed specifically for secondary pressure applications (F50). This cutting-edge feature ensures the highest safety protocols, significantly boosting operational security and reliability for peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with pressure settings that can be customized from 63 to 400 bar. This component is the epitome of adaptability, perfectly accommodating a wide range of hydraulic needs. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Experience the superior craftsmanship and engineering marvels that define our product series.;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering marvel, meticulously crafted to meet diverse application needs, offering a product that aligns seamlessly with your specific requirements.
(8)Thread size of directional spool valve ports A & B: Expertly designed for precision and compatibility.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 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, 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 option delivering precision, exceptional efficiency, and superior control.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each engineered with precision to fulfill specific functional requirements, ensuring optimal performance.
(11) Output flow code for ports A & B: Maximize your efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed for superior performance and unmatched 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 and stability.
(13) Function ON/OFF and pressure outlet options: Tailor your system precisely 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, efficiency, and functionality.
(14) Operation modes: Indulge in a truly diverse selection of operation modes, each crafted for unparalleled precision and control. Choose from: A(1,2), offering manual operation with the flexibility of long or short handles; E, embodying electric proportional control for seamless operation; EA(1,2), a harmonious blend of electric proportional and manual operation; D, featuring electric switching value control; DA(1,2), a synergy of electric switching value control and manual operation; M, manual friction positioning with a long handle, for intuitive control; H, dedicated to pure hydraulic control by aligning pilot oil ports with oil ports A and B; and F, showcasing pure hydraulic control with perpendicular pilot oil ports. Each meticulously designed to deliver comprehensive and precise control.
(15) Ancillary block port sizes: Enhance your system's integration and adaptability with our precisely engineered port size solutions. Choose from these meticulously tailored options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is crafted to provide unmatched flexibility, ensuring your system's seamless integration and exceptional efficiency to meet your specific requirements.
(16) End plate options: Discover our exceptional suite of end plate innovations. E1 sets the precedent with external pilot oil discharge and an external oil return control port T. Elevate your system with E2, adding an extra port Y for expanded functionality. Experience the cutting-edge E3, which incorporates a 2-position 3-way magnetic ball valve, boosting your system's pressure to high safety valve standards when activated. These options ensure superior performance and reliability.
E4 mirrors E1's distinction with an internal pilot oil discharge and a sealed port T. E5 reflects the excellence of E2, now enhanced with internal discharge. Embrace advanced technology with E6, echoing E3's innovative design. Each variant guarantees superior discharge control, ensuring your system functions at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our outstanding range of expertly crafted solutions. Choose G12-12VDC for applications demanding utmost safety and compatibility.G24: The unparalleled choice for enduring performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Upgrade your strategic selection with these options, designed for maximum efficiency and adaptability across various challenging environments.12: Exemplifying precision and reliability, tailored impeccably for flawless system integration.bb621436: The hallmark of excellence, establishing a standard 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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