Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 foundational element of unwavering and smooth performance, ensuring seamless and efficient operational flow.;
HLPSV: Variable Displacement Pump - Embodying flexibility and adaptability, offering unmatched versatility to accommodate diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Precision intertwines with reliability, ensuring consistent and dependable operations::
2-G3/8; Engineered for compact efficiency, supporting seamless and streamlined operational processes.
3-G1/2; Crafted for exceptional robustness and reliability, laying a strong foundation for your system.;
4-G3/4; Advances connectivity, delivering superior control and enhanced integration within the system.;
5, 55-G1; Featuring an optimal flow rate, ideal for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Delivers unparalleled performance, specifically designed to excel in challenging scenarios.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable and steadfast baseline, tailored to address your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, optimizing overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering 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 meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and optimizing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes to pressurize the pump, de-energizes to unload; D - Normally closed magnetic ball valve, energizes to unload the pump, de-energizes to pressurize.D/F - Equipped with an innovative pressure limiting valve for secondary pressure (F50) featuring a predetermined pressure value, this function offers superior safety protocols to enhance operational security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar, this component exemplifies versatility and precision engineering. For users seeking simplicity, /NF denotes no pressure limiting valve, specifically tailored for HLPSV, ensuring unparalleled pressure control across various scenarios, making it a vital component for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately crafted to cater to every application, ensuring you receive a bespoke product tailored to meet your specific requirements.
(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, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an 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 precision and efficiency.
(10) Valve core function symbols: Discover a diverse range of core functions: L, M, F, H, J, B, R, O, N, each carefully engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed for peak 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, guaranteeing robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable selections 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 engineered for precision control.
(14) Operation modes: Various operation modes available: 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, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability.
(16) End plate options: Discover our tailored end plate selections designed for optimal performance and precision. Choose from E1, our standard option that features an external discharge for pilot oil alongside an external oil return control port T. Alternatively, E2 offers the same robust features as E1 but includes an additional port Y for enhanced functionality. For advanced needs, consider E3 with its 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels during power supply, ensuring top-tier safety and reliability.
E4 offers a comparable experience to E1 but with the sophistication of internal discharge for pilot oil, effectively sealing port T. E5 mirrors the capabilities of E2, but with internal discharge features for streamlined operations. E6, akin to E3, guarantees precise and advanced discharge control, setting new standards in hydraulic technology.
(17) Control voltage and the length of anti-explosion type cable options: Our product line offers versatile options like G12-12VDC, meticulously engineered to provide safety and seamless compatibility with niche applications.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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise of the highest caliber. Our forte lies in the precise research, development, manufacturing, and sales of top-tier hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we exemplify an unwavering commitment to technological advancement and superior quality. This relentless dedication ensures our position as trailblazers within the industry.
Our flagship creation, the load-sensitive proportional valve, represents the ultimate in sophisticated hydraulic system control. Impeccably engineered for construction machinery and heavy-duty equipment, this essential component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, significantly contributing to the localization of 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 steadfast in our mission to deliver exceptional products, services, and solutions. Our aspiration is to rise as a globally trusted supplier of premier hydraulic components, setting new standards 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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