Step into the future of hydraulic engineering with Jiangsu KM Hydraulic Control System Co., Ltd.'s extraordinary Distributor Proportional System for Innovative Crane Safety Technology. Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, which stand as more than mere components-they're the epitome of intricate engineering brilliance and pioneering hydraulic innovation. These state-of-the-art valves amalgamate pressure, flow, and directional control into one unified, seamless unit, ensuring phenomenal performance and steadfast reliability for any application. Designed with meticulous precision, they feature three essential functional modules: connecting blocks, directional valves, and end plates, seamlessly integrating into elite hydraulic systems vital for cutting-edge engineering machinery. These valves masterfully control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, promising unparalleled precision and control. Their remarkable features include a chic, compact design, outstanding energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under varied loads, delivering unmatched performance and versatility across a multitude of applications.
HLPSL valves are perfectly tailored for systems utilizing constant displacement pumps, ensuring unwavering, dependable operations across any scenario. Conversely, HLPSV valves are expertly designed for variable pump systems. Although they may exhibit a slightly slower response time, HLPSV valves are renowned for their remarkable energy-saving properties, making them the superior choice when efficiency is of the utmost importance. These valves, with their advanced engineering and environmentally conscious design, emerge as the quintessential solution for advanced hydraulic control requirements, offering flawless precision, unwavering reliability, and superior energy efficiency all in one cohesive 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 - Our innovative range includes non-magnetic ball valves; F - Embrace the efficiency of our normally open magnetic ball valve, which ensures seamless pump pressurization when powered and unloading when not powered; D - Experience the convenience of our normally closed magnetic ball valve, offering pump unloading when powered and pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, the ultimate solution for secondary pressure (F50). This cutting-edge feature assures adherence to advanced safety protocols, significantly boosting operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into the revolutionary adaptability and precision of customizable pressure settings ranging from 63 to 400 bar. This component is the epitome of versatility, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a broad spectrum of applications.
(7) Product Series Classification - The Apex of Engineering Precision:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, meticulously crafted to cater to diverse applications, offering a product that seamlessly aligns 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, engineered with precision for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from a wide array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, expertly designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely crafted to meet specific functional requirements with excellence.
(11) Output flow code for ports A & B: Achieve maximum efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: 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 unrivaled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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: Discover an expansive selection of operation modes meticulously engineered for comprehensive and precise control. Choose from: A(1,2), manual operation with versatile long or short handle options; E, electric proportional control for precision; EA(1,2), hybrid electric proportional and manual operation; D, electric switching value control; DA(1,2), a blend of electric switching and manual operation; M, manual friction positioning featuring a long handle; H, pure hydraulic control aligning pilot oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted to deliver unmatched control and adaptability.
(15) Ancillary block port sizes: Optimize your systems with our exquisitely engineered port size solutions, crafted for perfect adaptability and seamless integration. Select from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option guarantees unparalleled flexibility, meticulously tailored to meet your precise requirements with outstanding efficiency.
(16) End plate options: Explore our exceptional suite of precisely tailored end plates. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an additional port Y. Discover E3's innovative 2-position 3-way magnetic ball valve, elevating system pressure to premier safety valve levels when energized, ensuring superior performance and reliability.
E4, akin to E1, features internal pilot oil discharge and a sealed port T. E5 reflects E2's excellence, now with internal discharge capabilities. Advance with E6, mirroring E3's forward-thinking design. Each variant promises superior discharge control for optimal system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly designed solutions. Choose G12-12VDC for specialized applications demanding utmost safety and compatibility.G24: The definitive choice for consistent performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, crafted for peak efficiency and adaptability across diverse challenging environments.12: Exemplifying precision and reliability, meticulously crafted for seamless integration into your systems.bb621436: The epitome of excellence, establishing a benchmark 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 stand proudly 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.
User Inquiry:1. What about the lead time?
Expert Response: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.
Customer Query:2. Do you have any MOQ limit for LED light orders?
Expert Response: 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.
Customer Query:3. How to proceed with an order for LED lights?
Professional Guidance: 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.
Customer Inquiry:4. Is it OK to print my logo on the product?
Expert Response: 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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