Step into the future of hydraulic innovation with the introduction of our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are more than just components; they are the embodiment of superior engineering prowess and avant-garde hydraulic technology. Our valves efficiently integrate pressure, flow, and directional control into a unified, harmonious unit, ensuring outstanding performance and steadfast reliability across all applications. Crafted with impeccable precision, these valves feature three essential functional modules - connecting blocks, directional valves, and end plates - meticulously engineered for seamless incorporation into elite hydraulic systems, which are indispensable for top-notch engineering machinery. Designed to precisely orchestrate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, they provide unmatched precision and control. Key attributes include a streamlined, compact design, exceptional energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering unparalleled performance and versatility across a wide spectrum of applications.
Our HLPSL valves are expertly crafted for constant displacement pump systems, ensuring unwavering and dependable operations in every situation. Conversely, the HLPSV valves are meticulously designed for variable pump systems; although they may have a slightly slower response, their exceptional energy-saving features make them the quintessential choice when efficiency is of the essence. These valves, with their cutting-edge engineering and eco-friendly design, stand as the ultimate solution for advanced hydraulic control requirements, merging flawless precision, reliability, and energy efficiency into 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 - This resilient titan of performance reliability delivers unwavering, consistent output, ensuring flawless operations throughout your entire hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump affords unmatched flexibility to satisfy a broad spectrum of operational demands effortlessly.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets reliability, forming a steadfast operational framework::
2-G3/8; Engineered for compact efficiency, it ensures seamless and unobstructed operational flow.
3-G1/2; Built for robust performance, it provides a reliable foundation for maintaining your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, it offers enhanced control and seamless system integration.;
5, 55-G1; With exceptional flow rates, it's perfect for high-demand applications, ensuring consistent and dependable outcomes.;
6-G1 1/4; Providing unmatched performance, this component is designed to excel in challenging environments with ease.;
(3) Additional Components and Specifications - Amplifying system capabilities to extraordinary levels of excellence::
C,Standard Type - A pillar of reliability, meticulously designed to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly elevating 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 for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that align seamlessly with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control within the system with precision and expertise:C - No magnetic ball valve; F - Normally open magnetic ball valve: Power on for pump pressurization, power off for unloading; D - Normally closed magnetic ball valve: Power on for unloading, power off for pressurization.D/F - Enhance your safety protocols with our meticulously crafted pressure limiting valve tailored for secondary pressure (F50). This cutting-edge feature integrates advanced safety mechanisms, significantly boosting operational reliability and security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash revolutionary versatility with customizable pressure settings from 63 to 400 bar. This component showcases adaptability, fully supporting a wide array of hydraulic demands. For flawless setups, /NF signifies no pressure limiting valve, expertly crafted for HLPSV, ensuring optimal pressure management for diverse applications.
(7) Product Series Classification - The Apex of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a beacon of engineering brilliance, specifically designed to cater to diverse applications, delivering a product that harmonizes effortlessly with your exact requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted with precision for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from an extensive range: 1, no 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 outstanding efficiency.
(10) Valve core function symbols: Explore a wide array of core functions: L, M, F, H, J, B, R, O, N, each precisely crafted to meet specific functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver outstanding performance and dependability.
(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.
(13) Function ON/OFF and pressure outlet options: Tailor your system with choices 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 precisely engineered for accurate control and functionality.
(14) Operation modes: Discover a wide range of finely crafted operation modes designed to enhance your hydraulic systems. Choose from A(1,2) for manual operation with optional long or short handle, E for electric proportional control, or EA(1,2) which combines electric proportional control with manual operation. Additionally, D offers electric switching value control, DA(1,2) merges electric switching value control with manual operation, M provides manual friction positioning with a long handle, H delivers pure hydraulic control by aligning pilot oil ports with ports A and B, and F offers pure hydraulic control with perpendicular pilot oil ports. Each mode meticulously engineered for accurate and comprehensive control.
(15) Ancillary block port sizes: Elevate your system with our meticulously crafted port size solutions, designed for perfect adaptability and seamless integration. Choose from our expertly engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is tailored to deliver unmatched flexibility and precision, ensuring your specific needs are met with exceptional efficiency.
(16) End plate options: Experience our exceptional array of precisely tailored end plate innovations. Start with E1, featuring external pilot oil discharge and an external oil return control port T. Upgrade to E2, introducing an additional port Y for enhanced functionality. Discover the revolutionary E3, integrating a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels upon energization. Ensuring superior performance and unmatched reliability, our end plate options promise to enhance your hydraulic systems.
E4 mirrors the distinct features of E1 with an internal pilot oil discharge and a sealed port T, while E5 enhances E2's excellence with internal discharge capabilities. Enter the future with E6, reflecting E3's forward-thinking design. Each of these variants offers superior discharge control, guaranteeing peak efficiency and optimal system performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our expansive range of expertly tailored solutions. Select G12-12VDC for specialized applications that require an unwavering commitment to safety and compatibility.G24: The epitome of steadfast performance and unmatched dependability, ensuring your hydraulic systems operate flawlessly under any condition.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic choices with these options, meticulously engineered for maximum efficiency and adaptability in a variety of demanding environments.12: A symbol of precision and reliability, expertly crafted for flawless system integration.bb621436: A code that represents excellence, setting the benchmark in our innovative design landscape.
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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