Witness the dawn of a groundbreaking era in hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they stand as symbols of masterful engineering excellence combined with state-of-the-art hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into one cohesive unit, our valves deliver unmatched performance and unwavering reliability in every application. Meticulously crafted, they consist of three essential functional modules: connecting blocks, directional valves, and end plates. Each part is designed with precision for integration into top-tier hydraulic systems, making them indispensable for premier engineering machinery. Our valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Notable features include a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation. They empower multiple actuators to operate simultaneously under varying loads, providing unmatched performance and versatility across a wide range of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, guaranteeing steadfast, reliable operations in every scenario. Alternatively, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a slightly slower response, HLPSV valves are distinguished by their remarkable energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, with their state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for advanced hydraulic control needs. They seamlessly combine impeccable precision, reliability, and energy efficiency into one cohesive package, setting a new standard in the industry.
| 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 - No Magnetic Ball Valve: Maintain simplicity and efficiency without magnetic interference. F - Normally Open Magnetic Ball Valve: Experience seamless operations with automatic pump pressurization when powered and effortless unloading when unpowered. D - Normally Closed Magnetic Ball Valve: Enjoy enhanced control as it facilitates pump unloading when powered and efficient pressurization when unpowered.D/F - Elevate Your Safety Standards: Discover unparalleled security with our precision-engineered pressure limiting valve, specifically crafted for secondary pressure (F50). This advanced feature seamlessly integrates into your system, ensuring heightened operational security and unwavering reliability.
(6) Tool Adjustable, Pressure Limiting Valve: Unlock the potential of adaptability and precision with customizable pressure settings from 63 to 400 bar. This component is the epitome of versatility, catering to diverse hydraulic needs. With /NF, enjoy a bespoke solution meticulously tailored for HLPSV, ensuring flawless pressure management across a wide range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Embark on a journey of discovery with our series, each representing an engineering marvel, tailored to meet a spectrum of applications, ensuring a perfect alignment with your distinct requirements.;-2 2 Series; -3 3 Series; -5 5 Series: Each series stands as a testament to engineering brilliance, expertly designed to meet diverse application demands, offering a product crafted to seamlessly align with your specific needs.
(8)Thread Size of Directional Spool Valve Ports A & B: Navigate with precision through options like 2-G3/8, 3-G1/2, 4-G3/4, 5-G1, all including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for impeccable integration and flawless operation.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.
(9)Directional Valve Block Inflow Controller Options: Choose from a versatile selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each crafted to deliver precision and exceptional efficiency.
(10) Valve Core Function Symbols: Explore a diverse array of core functions with symbols L, M, F, H, J, B, R, O, N, each engineered with precision to meet specific functional requirements.
(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, each expertly designed to provide superior performance and reliability.
(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 unparalleled system safety.
(13) Function ON/OFF and Pressure Outlet Options: Customize your system with options such as: 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 crafted for precise control and functionality.
(14) Operation modes: Discover an extensive selection of operation modes designed for tailored control and efficiency. Choose from: A(1,2) - manual operation with your choice of long or short handle; E - electric proportional control for precision; EA(1,2) - an innovative blend of electric and manual control; D - electric switching value control for seamless transitions; DA(1,2) - combined electric and manual control; M - manual friction positioning with long handle for exact positioning; H - pure hydraulic control with pilot oil ports in line with oil ports A and B; and F - hydraulic control with perpendicular pilot oil ports, expertly crafted for comprehensive and precise operational excellence.
(15) Ancillary block port sizes: Elevate your system's versatility with our precision-engineered port size solutions. Select from our meticulously crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each designed for optimal adaptability and seamless integration. Experience unmatched flexibility designed to perfectly meet your specific requirements with exceptional efficiency.
(16) End plate options: Experience a new level of innovation with our bespoke end plate options. E1 offers standard-setting capabilities with external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an added port Y. Breakthrough E3 integrates a 2-position 3-way magnetic ball valve, elevating system pressure to prime safety valve standards upon energization, ensuring superior performance and unrivaled reliability.
E4, similar to E1, features internal pilot oil discharge and a sealed port T. E5 parallels E2, now with enhanced internal discharge capabilities. Venture into cutting-edge technology with E6, mirroring E3's innovative design. Each variation promises exceptional discharge control, ensuring peak system efficiency and supreme performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's dependability with our wide array of meticulously crafted solutions. Choose G12-12VDC, perfect for specialized applications demanding supreme safety and consistency.G24: The ultimate selection for consistent performance and unparalleled dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic choices with these meticulously engineered options, designed for maximum efficiency and adaptability across diverse and challenging environments.12: Exemplifying precision and reliability, tailored to integrate seamlessly into your systems.bb621436: The embodiment of excellence, setting new standards in pioneering 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 pivotal phase, we engage in extensive preparations, adhering to the pinnacle of quality control standards. This rigorous process guarantees that each product arrives to you in immaculate condition, embodying our relentless commitment to your utmost satisfaction through impeccable delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, granting you the remarkable advantage of ordering as little as a single piece for sample verification. This unparalleled flexibility allows you to initiate your projects with ease, precisely catering to your unique requirements with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Begin your order journey by sharing your specific requirements or intended applications with us. We will then diligently prepare a bespoke quote, tailored exclusively to your needs, informed by your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. Rest assured, every specification will be executed with precision, delivering a seamless, customized solution that perfectly aligns with your vision.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is meticulously executed for a flawless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely feasible. Please notify us formally before production commences and confirm the design according to the sample we provide. This ensures your branding is represented with extraordinary precision and excellence, perfectly encapsulating your identity.
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