Behold the future of hydraulic control: our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels define the zenith of hydraulic innovation, masterfully synchronizing pressure, flow, and directional control into a cohesive and brilliant creation. This ensures exceptional performance and dependability across all applications. Comprising three pivotal functional modules - connecting blocks, directional valves, and end plates - these valves are expertly engineered for seamless integration into premium hydraulic systems, indispensable for cutting-edge engineering machinery. They deftly control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and mastery. Highlighted features include an elegantly compact structure, outstanding energy efficiency, and the capability for infinitely variable speed control. Moreover, they enable multiple actuators to function concurrently under diverse loads, providing extraordinary performance and adaptability for every scenario.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and dependable performance in all environments. Meanwhile, the HLPSV valves, with their expertly crafted design, cater to variable pump systems. Although the response time of HLPSV valves might be marginally slower, they shine in offering incredible energy-saving performance, making them the definitive option for scenarios where efficiency is vital. With their state-of-the-art engineering and energy-efficient architecture, HLPSV valves emerge as the top-tier solution for sophisticated hydraulic control needs, delivering a seamless fusion of precision, reliability, and energy 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 bedrock of unwavering performance, maintaining your operations' smoothness and efficiency with unerring precision.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and flexibility, providing unmatched versatility to accommodate a wide array of operational demands.;
(2) Connection Block Ports P & R Specifications - A testament to precision and reliability, ensuring steadfast and trustworthy operations::
2-G3/8; Crafted for compact efficiency, facilitating streamlined and seamless operational workflows.
3-G1/2; Engineered for robustness and dependability, laying a strong foundation for your system's success.;
4-G3/4; Delivering advanced connectivity, ensuring superior control and enhanced system integration.;
5, 55-G1; Offering exceptional flow rate, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Embodying unmatched performance, crafted to excel in challenging environments and field operations.;
(3) Additional Components and Specifications - Elevating your lifting system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy baseline, meticulously tailored to meet your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing overall system efficiency and effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly address your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and optimizing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, ensuring pump pressurization when powered and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered and pressurization when unpowered.D/F - Equipped with a pressure limiting valve for secondary pressure (F50), set to a precise pressure value; delivers cutting-edge safety measures to ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component provides adjustable settings ranging from 63 to 400 bar levels, showcasing unparalleled versatility and precision. For those who favor simplicity, /NF indicates no pressure limiting valve, specifically tailored for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it a crucial addition to your hydraulic system.
(7) Product Series Classification - Epitomizing Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with precision to match every application, ensuring you receive a product that impeccably meets your specific 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 ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration in the system.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precise control and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for outstanding performance.
(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 robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailored 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 precise and reliable control.
(14) Operation modes: Diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 a 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, crafted for comprehensive mastery of control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability and integration.
(16) End plate options: Discover a range of tailored end plate choices designed to meet your specific needs: E1 offers a standard configuration with external discharge of pilot oil and an external oil return control port T; E2 mirrors E1 but introduces an additional port Y for enhanced functionality; E3 comes with an advanced 2-position 3-way magnetic ball valve, which cleverly elevates system pressure to safety valve levels when powered, ensuring heightened safety and performance.
E4 features a configuration similar to E1 but incorporates an internal discharge of pilot oil while sealing port T, providing an efficient sealing solution; E5 provides the same reliability as E2 with an internal discharge system; E6 mirrors E3, each guaranteeing sophisticated and precise discharge control, delivering a seamless and superior hydraulic experience.
(17) Control voltage and anti-explosion cable options: Choose from robust options such as G12-12VDC, engineered for safety and optimized to ensure seamless compatibility with specialized applications, enhancing the reliability and security of your hydraulic systems.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
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 lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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