Step into a new era 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 mere parts; they are a testament to exceptional engineering prowess and advanced hydraulic innovation. By flawlessly integrating pressure, flow, and directional control into one unified system, these valves provide remarkable performance and steadfast reliability across all applications. Engineered with utmost precision, they feature three essential functional modules - connecting blocks, directional valves, and end plates - meticulously crafted for seamless incorporation into high-end hydraulic systems, crucial for elite engineering machinery. Our valves precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key features include a sleek, compact design, outstanding energy efficiency, and the ability to modulate speed continuously. Furthermore, these valves enable multiple actuators to operate simultaneously under varying loads, delivering unparalleled performance and versatility for an array of applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering, dependable operations under any conditions. In contrast, the HLPSV valves are specifically engineered for variable pump systems. While they may have a slightly slower response rate, HLPSV valves are distinguished by their exceptional energy-saving properties, making them the optimal choice when efficiency is of utmost importance. With their cutting-edge engineering and environmentally conscious design, these valves stand as the pinnacle solution for sophisticated hydraulic control needs, merging flawless precision, reliability, and energy efficiency into one integrated system.
| 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 offers unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, providing unparalleled flexibility to meet a wide array of operational demands with remarkable ease.;
(2) Connection Block Ports P & R Specifications - Harnessing precision engineering and reliability to form a steadfast and enduring operational framework::
2-G3/8; Engineered with compact efficiency, it ensures smooth and unhindered operational flows, enhancing system functionality.
3-G1/2; Expertly crafted for robust performance and dependability, providing a strong foundation that sustains your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, it offers superior control and elevates system integration seamlessly.;
5, 55-G1; Excelling in high-demand applications, it delivers outstanding flow rates for consistent and reliable outcomes.;
6-G1 1/4; With unmatched performance, this component is expertly crafted to thrive in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence and efficiency::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with unmatched 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 - Tailored pressure control solutions that precisely meet diverse application needs: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 unparalleled precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, designed to empower your system by seamlessly enabling pump pressurization when powered and ensuring efficient unloading when unpowered; D - Normally closed magnetic ball valve, crafted to facilitate pump unloading when powered, and ensuring pressurization when unpowered, offering adaptability for superior system operation.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, providing unmatched peace of mind in demanding conditions.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning an impressive range from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse array of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a vast spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-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, offering unparalleled quality and performance.
(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, ensuring compatibility and efficiency across applications.
(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, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency, tailored to meet your specific requirements.
(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 your system operates with optimal performance and reliability.
(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, tailored to meet the dynamic demands of modern hydraulic systems.
(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, tailored to maintain operational integrity and peace of mind in critical applications.
(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, offering unparalleled versatility and customization.
(14) Operation modes: Discover the pinnacle of versatility with our comprehensive selection of operation modes. Choose from A(1,2): manual operation with an optional long or short handle; E: electric proportional control; EA(1,2): a seamless blend of electric proportional control and manual operation; D: electric switching value control; DA(1,2): a powerful combination of electric switching value control and manual operation; M: manual friction positioning with a long handle; H: pure hydraulic control with alignment of pilot oil ports and oil ports A and B; F: pure hydraulic control featuring perpendicular pilot oil ports. Each mode is thoughtfully designed to deliver precise and comprehensive control.
(15) Ancillary block port sizes: Enhance your systems with our meticulously engineered port size solutions, crafted for seamless integration and perfect adaptability. Choose from options like: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection offers unparalleled flexibility and is precision-engineered to meet your unique requirements, ensuring exceptional efficiency and performance.
(16) End plate options: Explore our extraordinary array of end plate innovations, each precisely tailored for optimal functionality. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Experience innovation with E2, which adds a port Y for enhanced capabilities. Discover the groundbreaking E3, which integrates a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve standards when energized. Experience unmatched reliability and superior performance.
E4 mirrors E1 with its internal pilot oil discharge and sealed port T. E5 parallels E2, now with internal discharge features. Embrace cutting-edge technology with E6, reflecting E3's innovative design. Each variant is crafted to ensure superior discharge control, optimizing your system's performance and efficiency.
(17) Control voltage and anti-explosion cable options: Enhance your system's reliability and safety with our carefully curated range of options. Choose G12-12VDC for applications demanding exceptional safety and compatibility.G24: The ultimate selection for unwavering dependability and robust performance.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these options, masterfully engineered for maximum efficiency and adaptability in diverse and challenging environments.12: Exemplifying precision and reliability, these options are skillfully tailored for seamless integration into your systems.bb621436: The hallmark of excellence, setting a new standard in our trailblazing design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the prestigious China Baoan Group (stock code: 000009), we are a nationally recognized high-tech enterprise. Our core expertise revolves around the meticulous research, development, manufacturing, and sales of high-quality hydraulic components. Our esteemed title as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological advancement and superior quality. This steadfast dedication secures our place as leaders in the field.
Our Safety Atex Valve, the flagship of our innovations, epitomizes the zenith of advanced hydraulic system control. Precisely crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with leading domestic manufacturers, significantly contributing to localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy of 'serving customers with technology, impressing with our attitude, and retaining with quality,' we remain steadfast in our dedication to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
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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