Witness the dawn of a revolutionary era in hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they are the pinnacle of engineering brilliance and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into one cohesive unit, our valves deliver unmatched performance and steadfast reliability across all applications. Crafted with meticulous precision, they feature three essential functional modules - connecting blocks, directional valves, and end plates - artfully designed for smooth integration into elite hydraulic systems, crucial for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering superior precision and control. Noteworthy features include a sleek, compact design, exceptional energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, delivering outstanding performance and versatility across a broad spectrum of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering, reliable operations in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although they may exhibit a slightly slower response, HLPSV valves are distinguished by their remarkable energy-saving capabilities, making them the prime choice when efficiency is of utmost importance. These valves, with their state-of-the-art engineering and eco-conscious design, emerge as the definitive solution for advanced hydraulic control needs, seamlessly combining impeccable precision, reliability, and energy efficiency into one exceptional 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 - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions 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 bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Experience the ultimate convenience with our No Magnetic Ball Valve. F - Discover the power of our Normally Open Magnetic Ball Valve, which activates pump pressurization when powered and transitions to unloading when unpowered, offering seamless operation. D - Embrace efficiency with our Normally Closed Magnetic Ball Valve, ensuring smooth pump unloading when powered and quick pressurization when unpowered, for a fluid and responsive system.D/F - Elevate your safety standards with our precision-engineered, state-of-the-art pressure limiting valve designed for secondary pressure (F50). This advanced feature inherently guarantees impeccable safety protocols, substantially enhancing the operational security and reliability that your systems demand.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of groundbreaking versatility and precision with customizable pressure settings, ranging from 63 to 400 bar. This component embodies adaptability and is fully equipped to meet a broad spectrum of hydraulic requirements. For seamless configurations, opt for /NF, indicating no pressure limiting valve, meticulously tailored for HLPSV, ensuring precise pressure management across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover a range of series that showcase unparalleled engineering sophistication:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a remarkable engineering feat, expertly crafted to address diverse applications, ensuring you acquire a product that aligns seamlessly with your specific requirements and enhances operational efficiency.
(8)Thread size of directional spool valve ports A & B: Precisely engineered thread sizes designed for diverse applications:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; These include ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all meticulously crafted for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Choose from a diverse selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each designed to deliver precision and exceptional operational efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional requirements with excellence.
(11) Output flow code for ports A & B: Maximize your system's efficiency with our peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to provide superior performance and unwavering 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, all measured in bar, ensuring uncompromised system safety and protection.
(13) Function ON/OFF and pressure outlet options: Customize your system with a variety of options: 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 crafted for precise control and impeccable functionality.
(14) Operation modes: Embark on a journey through our diverse selection of operation modes, meticulously crafted for unrivaled control and precision. Choose from the versatile A(1,2) for manual operation, adaptable with either a long or short handle. Experience innovation with E, the electric proportional control, or the versatile EA(1,2) that seamlessly blends electric proportional control with manual operation. Opt for D, the electric switching value control, or DA(1,2) that harmonizes electric switching value control with manual operation. For manual friction positioning, M offers durability with a long handle. Elevate your system with H, utilizing pure hydraulic control through aligned pilot oil ports with A and B oil ports. Finally, F delivers pure hydraulic control with perfectly perpendicular pilot oil ports, all crafted for excellence.
(15) Ancillary block port sizes: Elevate your system's adaptability and integration with our finely crafted port size solutions. Select from our meticulously designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is engineered for exceptional flexibility and efficiency, perfectly tailored to meet your specific needs with precision.
(16) End plate options: Discover our extraordinary collection of end plate innovations precisely tailored to enhance functionality. E1 leads with an external pilot oil discharge and external oil return control port T. E2 elevates the experience with an added port Y, advancing functionality. Explore E3, integrating a 2-position 3-way magnetic ball valve that boosts system pressure to premier safety valve levels when energized, ensuring unmatched reliability and performance.
E4 mirrors E1 with a distinct internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now with advanced internal discharge capabilities. E6, inspired by E3's design, offers forward-thinking technology. Each variant ensures superior discharge control, enabling your system to achieve peak performance and efficiency.
(17) Control voltage and anti-explosion cable options: Enhance 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.G24: The ultimate in steadfast performance and unwavering dependability, designed for precision.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Broaden your strategic selection with these options, engineered for peak efficiency and adaptability across challenging environments.12: Crafted for precision and reliability, this option ensures flawless integration into your systems.bb621436: This code represents excellence, establishing a benchmark in our pioneering design and innovation.
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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