Step into a new age of hydraulic innovation with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they represent a pinnacle of engineering mastery fused with state-of-the-art hydraulic advancements. By harmonizing pressure, flow, and directional control into a singular, unified entity, our valves offer unparalleled performance and steadfast reliability across all applications. Crafted to perfection, they include three key functional modules - connecting blocks, directional valves, and end plates - meticulously engineered for seamless integration into superior hydraulic systems, crucial for top-notch engineering machinery. These valves deliver precise regulation of movement direction and speed for hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Among their remarkable features are a sleek, compact design, superior energy efficiency, and the ability for infinitely variable speed modulation. Furthermore, they enable multiple actuators to function simultaneously under varying loads, offering unprecedented performance and adaptability across a broad spectrum of applications.
The HLPSL valves are specifically designed for constant displacement pump systems, ensuring dependable, consistent operations under any conditions. Conversely, the HLPSV valves are precisely engineered for variable pump systems. Though they may have a slightly slower response, HLPSV valves excel in their remarkable energy-saving properties, making them the perfect choice when maximizing efficiency is crucial. These meticulously crafted valves, with cutting-edge engineering and eco-friendly design, stand out as the ultimate solution for sophisticated hydraulic control requirements, blending 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 and reliability is engineered to deliver unwavering, consistent flow, ensuring seamless and effective operations across your entire hydraulic network.;
HLPSV: Variable Displacement Pump - The ultimate model of versatility and adaptability, this pump offers unparalleled flexibility, effortlessly meeting a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets reliability, forming a durable operational framework::
2-G3/8; Designed with compact efficiency in mind, this connection ensures smooth and unhindered operational flow.
3-G1/2; Crafted for robust performance and dependability, this port provides a strong foundation for sustaining your system's integrity.;
4-G3/4; This state-of-the-art connection offers superior control and enhances system integration effortlessly.;
5, 55-G1; With outstanding flow rates, it's perfect for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; This component offers unmatched performance, expertly crafted to excel in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence and performance::
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 and responsiveness.;
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 - Offering tailored pressure control solutions to meet a diverse range of application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing 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-designed solutions:C - No magnetic ball valve; F - Experience the convenience of our normally open magnetic ball valve, which authorizes pump pressurization when electrified and facilitates unloading when de-energized; D - Our normally closed magnetic ball valve is perfect for applications that require pump unloading when electrified and pressurization when de-energized;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, an unprecedented innovation designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, ensuring unparalleled peace of mind in your hydraulic systems.
(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 exemplifies adaptability, accommodating a diverse range of hydraulic requirements with elegance. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management for diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Revel in engineering brilliance with our product series, each a testament to superior craftsmanship and performance.;-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, ensuring that your operational standards are not just met but exceeded.
(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 operation, providing a robust and reliable solution to meet the highest standards of hydraulic performance.
(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, crafted 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, ensuring operational excellence and tailored performance.
(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, accommodating a wide range of hydraulic system demands.
(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 optimal operational conditions.
(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, guaranteeing seamless operational performance.
(14) Operation modes: Unlock the potential of your systems with our extensive selection of operation modes. Choose from A(1,2) for manual control with your choice of long or short handles. Elevate control with E, offering electric proportional control, or merge manual and electric control with EA(1,2). Opt for D for electric switching value control, or combine it with manual operation in DA(1,2). Experience manual friction positioning with a long handle using M, or select H for pure hydraulic control with aligned pilot oil ports. For perpendicular pilot oil ports, choose F. Each mode is crafted with precision to deliver comprehensive and accurate control.
(15) Ancillary block port sizes: Transform your system's adaptability with our finely crafted port size options, designed for seamless integration and perfect fit. Choose from our carefully curated selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. These options offer unparalleled flexibility and are engineered to meet your exact specifications with supreme efficiency.
(16) End plate options: Immerse in our exceptional range of custom-crafted end plate solutions. E1 offers external pilot oil discharge with an external return control port T. Upgrade to E2 for added port Y functionality. Discover E3's innovation with a 2-position 3-way magnetic ball valve, elevating system pressure to top-tier safety valve levels when energized, ensuring top performance and reliability.
E4 delivers internal pilot oil discharge with a sealed port T, mirroring E1's prowess. E5 enhances E2's capabilities with internal discharge, while E6 replicates E3's advanced design. Each variant promises superior discharge control, enabling your system to perform with peak efficiency and optimal reliability.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our comprehensive array of specialized solutions. Select G12-12VDC for applications necessitating uncompromised safety and compatibility.G24: The definitive choice for dependable performance and steadfast reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selections with these options, crafted for peak efficiency and adaptability across a myriad of challenging environments.12: Embody precision and reliability, meticulously crafted for flawless integration into your systems.bb621436: The pinnacle of excellence, setting a new benchmark in our innovative 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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