Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations exemplify the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a unified, harmonious masterpiece. This ensures 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 designed 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, providing unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, 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 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; Crafted for compact efficiency, this port is designed to streamline operations and maintain seamless flow throughout your system.
3-G1/2; Engineered for robustness and dependability, offering a solid and secure foundation for your operational setup.;
4-G3/4; Featuring advanced connectivity, this port delivers superior control and boosts system integration.;
5, 55-G1; Designed for high-demand applications, this port delivers a superior flow rate, ensuring consistent and reliable performance.;
6-G1 1/4; Offering unmatched performance, this port is built to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, perfectly tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions to suit varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailoring solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and boosting system 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 - Equipped with an innovative pressure limiting valve for secondary pressure (F50) that boasts a specified pressure value. This component not only enhances operational safety but also provides cutting-edge protection measures to ensure secure and reliable machinery functioning.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings engineered at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component stands as a paragon of versatility and precision. For those who prioritize simplicity, /NF denotes a configuration with no pressure limiting valve, specifically crafted for HLPSV, ensuring that pressure control is optimal and adaptable across diverse scenarios, making it an essential element for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is meticulously designed to cater to a wide array of applications, guaranteeing that each product aligns perfectly with your specific demands and exceeds expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for flawless integration and compatibility.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, a reinforced inflow controller; 8, pre-selectable options, each crafted to ensure precision and heightened efficiency in operation.
(10) Valve core function symbols: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to deliver unique functional capabilities and efficiency.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all carefully tailored for optimal performance and adaptability.
(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 options are measured in bar, providing robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Choose customization options including: 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 is engineered for precision control and efficiency.
(14) Operation modes: Experience a variety of operation modes: A(1,2), manual operation with the choice of long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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. Each is crafted for comprehensive and versatile control.
(15) Ancillary block port sizes: Choose from diverse options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability and exceptional performance.
(16) End plate options: Our customizable end plate options are designed to suit your precise needs, offering: E1, the standard choice, featuring external discharge of pilot oil and a convenient external oil return control port T; E2, similar to E1, enhanced with an additional port Y for increased versatility; E3, a sophisticated option with a 2-position 3-way magnetic ball valve, elevating system pressure to match safety valve levels during power supply, ensuring peak performance.
E4, crafted similarly to E1, with an innovative internal discharge of pilot oil, sealing port T for enhanced reliability; E5, echoing E2, also includes internal discharge for superior performance; E6, reflecting E3's design, each variant guarantees precise and efficient discharge control tailored to demanding environments.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range of configurations like G12-12VDC, ensuring optimal safety and seamless compatibility with specialized applications, promising reliable and secure operations in any challenging scenario.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our illustrious inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has continuously illuminated the hydraulic landscape with groundbreaking innovations 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, recognized for our commitment to excellence and innovation. Our expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our 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 the frontrunners in our field.
Our flagship innovation, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control technology. Expertly engineered for the demanding realms of construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications including 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 remain resolute in our commitment to delivering exceptional products, services, and solutions. Our visionary 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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