Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in hydraulic innovation! These exceptional engineering feats bring pressure, flow, and directional control together in one seamless, harmonious masterpiece, ensuring unmatched performance and absolute reliability in every application. Elegantly designed with three crucial functional modules-connecting blocks, directional valves, and end plates-our valves are crafted with precision to integrate flawlessly into sophisticated hydraulic systems, vital for high-end engineering machinery. They expertly manage the movement and speed of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Standout features include a compact structure, superior energy efficiency, and the ability for stepless speed control. Moreover, these valves enable the simultaneous operation of multiple actuators under diverse loads, providing an exceptional blend of performance and versatility for any application.
The HLPSL valves are masterfully customized for constant displacement pump systems, ensuring unwavering performance and reliability in every environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems, offering a slightly slower response time but excelling in outstanding energy-saving capabilities. This makes them the optimal choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control needs, delivering an impeccable fusion of precision, reliability, and efficiency.
| 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 - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Experience enhanced operational security with our pressure limiting valve for secondary pressure (F50), designed with a specified pressure cap to ensure advanced safety measures that secure every facet of your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing precision and adaptability. For those who prioritize simplicity, /NF denotes no pressure limiting valve, tailored specifically for HLPSV, ensuring optimal pressure control across a spectrum of scenarios and proving essential for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet your precise requirements, tailored with the utmost precision for every unique application.
(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, expertly engineered for seamless integration.
(9)Directional valve block inflow controller options: Select from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each meticulously designed to ensure precision and efficiency.
(10) Valve core function symbols: Explore a rich array of core function symbols: L, M, F, H, J, B, R, O, N, each crafted with precision to meet unique functional requirements.
(11) Output flow code for ports A & B: Maximize operational efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored to ensure peak performance.
(12) Secondary pressure limitation options: Choose from robust options: 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, reinforcing system safety with precision.
(13) Function ON/OFF and pressure outlet options: Tailor-made customizable options include: 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 designed for precision control.
(14) Operation modes: Explore an array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and precision.
(16) End Plate Options: Discover our meticulously tailored end plate choices designed to cater to your unique needs: E1, featuring a standard design with external discharge of pilot oil and an external oil return control port T; E2, mirroring E1, enhanced with an additional port Y for increased functionality; E3, equipped with a sophisticated 2-position 3-way magnetic ball valve, effectively elevating system pressure to safety valve levels during power supply, ensuring maximum operational safety and efficiency.
E4, closely resembling E1 but engineered with internal discharge of pilot oil, seamlessly sealing port T for enhanced operational integrity; E5, a counterpart to E2, crafted with internal discharge, offering reliable performance; E6, reflecting E3, each variant ensures unparalleled sophisticated discharge control, tailored to uphold your system's precision and reliability.
(17) Control Voltage & Anti-explosion Cable Length Options: Choose from our diverse selection of control voltage settings such as G12-12VDC, engineered to ensure optimal safety and compatibility with specialized applications, providing the perfect balance between performance and protection.G24: A versatile choice for varied operational requirements.-: Seamlessly integrates with your existing systems.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: These options highlight our commitment to providing robust and adaptable solutions for every unique application.12: Offering flexibility in voltage selection to suit diverse needs.bb621436: Your trusted code for enhanced system compatibility and traceability.
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 flagship product, the load-sensitive proportional valve, epitomizes 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:The standard lead time for our production is approximately one month after we receive your payment. Throughout this period, we meticulously prepare and apply rigorous quality control measures. Our absolute dedication is to ensure that each product is delivered in flawless condition, reflecting our commitment to excellence and your complete satisfaction.
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 freedom to request even just a single piece for comprehensive sample verification. This flexibility empowers you to initiate your projects effortlessly, catering to your precise requirements with unparalleled ease.
Question:3. How to proceed with an order for LED lights?
Answer: To start, please share your specific requirements or application details with us. We will craft a personalized quotation aligned with your needs, or offer expert guidance if needed. Once you confirm the drawings and provide a deposit, we will finalize and initiate production. We dedicate ourselves to ensuring every specification is met with meticulous care, delivering a seamless and personalized solution tailored just for you.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: Certainly, this is absolutely feasible. Kindly ensure you inform us formally prior to the commencement of production and confirm the design based on the sample provided. This process guarantees that your brand is represented with the highest level of precision and quality, perfectly embodying your identity.
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