Experience the dawn of a groundbreaking era in hydraulic technology with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Far more than just components, they represent an exquisite fusion of engineering prowess and pioneering hydraulic innovation. By harmoniously merging pressure, flow, and directional control within a single, integrated unit, our valves deliver unparalleled performance and unwavering reliability in every use. Meticulously crafted with precision, these valves comprise three essential functional modules - connecting blocks, directional valves, and end plates - all meticulously engineered for seamless integration into elite hydraulic systems, indispensable for high-end engineering machinery. These valves are engineered to precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Distinguished by a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation, they allow multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and adaptability across a breadth of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast, dependable operations across all conditions. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. While they exhibit a slightly slower response time, the HLPSV valves excel in their exceptional energy-saving capabilities, rendering them the perfect selection when efficiency is of the essence. With cutting-edge engineering and an environmentally considerate design, these valves emerge as the pinnacle solution for sophisticated hydraulic control requirements, amalgamating remarkable precision, reliability, and energy efficiency into a single, 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 - Decoding the Core Components for Superior System Functionality.
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 - Embrace innovation with our no magnetic ball valve; F - Experience the convenience of our normally open magnetic ball valve, expertly designed to enable pump pressurization when powered and seamless unloading when unpowered; D - Opt for our normally closed magnetic ball valve, facilitating efficient pump unloading when powered and ensuring pressurization when unpowered. Each option is crafted to meet your exact specifications with precision and reliability.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, ensuring 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 spanning from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications, optimizing your operational efficiency.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover the extraordinary craftsmanship in our product series, each representing the epitome of innovation 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, delivering unmatched performance and reliability.
(8)Thread size of directional spool valve ports A & B: Experience unmatched precision with our expertly engineered thread sizes, designed to ensure perfect alignment and reliability in every application.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, optimizing your system's 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, 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 your needs.
(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 with excellence 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, ensuring your system operates at optimal efficiency.
(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, designed with precision for your peace of mind.
(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, enhancing your system's efficiency and reliability to new heights.
(14) Operation modes: Unleash unparalleled versatility with our extensive selection of operation modes, designed to cater to every requirement with precision. Choose from: A(1,2) - manual operation available with either a long or short handle; E - electric proportional control offering precision at every turn; EA(1,2) - a harmonious blend of electric proportional control and manual operation; D - electric switching value control for seamless transitions; DA(1,2) - the perfect combination of electric switching value and manual operation; M - manual friction positioning using a long handle for exact control; H - pure hydraulic control with pilot oil ports aligned with oil ports A and B; F - pure hydraulic control featuring perpendicular pilot oil ports. Each mode is crafted with meticulous care for comprehensive and precise control, ensuring your system performs at its peak.
(15) Ancillary block port sizes: Elevate your systems with our expertly crafted port size solutions, ensuring perfect adaptability and seamless integration. Choose from our sophisticated range of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each port size is designed to offer unparalleled flexibility and is carefully tailored to meet your specific requirements with exceptional efficiency, enhancing the performance of your systems.
(16) End plate options: Discover our remarkable range of precisely engineered end plate innovations, meticulously designed to enhance your system's functionality. E1 represents the gold standard, featuring external pilot oil discharge and an external oil return control port T. For an elevated experience, choose E2, which introduces an additional port Y for expanded functionality. Experience the revolutionary design of E3, integrating a 2-position 3-way magnetic ball valve that elevates your system's pressure to top-tier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, akin to E1, is distinguished by its internal pilot oil discharge and a sealed port T. E5 parallels the excellence of E2, now enhanced with internal discharge capabilities. Embrace advanced technology with E6, reflecting the innovative design of E3. Each variant promises superior discharge control, ensuring your system operates at maximum efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our extensive selection of expertly tailored solutions. Choose G12-12VDC, ideal for specialized applications that require uncompromised safety and compatibility, ensuring consistent and dependable performance.G24: Opt for ultimate reliability and steadfast performance with this choice, ensuring dependable operation across various applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these meticulously engineered options, designed for peak efficiency and adaptability across a multitude of challenging environments, ensuring optimal performance and reliability.12: Exemplifying precision and reliability, this option is expertly tailored for flawless integration into your systems, enhancing performance and ensuring seamless operation.bb621436: The embodiment of excellence, setting a new benchmark in our innovative design, ensuring unmatched quality and performance.
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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