Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into one seamless masterpiece that guarantees unparalleled performance and reliability. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They are designed to precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, 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 all settings. In contrast, HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in providing 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 distinguish themselves 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 - This is the cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently, with endurance and reliability at its core.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, this pump offers unparalleled versatility to meet diverse operational needs, making it an indispensable part of any dynamic system.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, providing a stable platform for trustworthy operations::
2-G3/8; Crafted for compact efficiency, this design caters to streamlined and seamless operational flows, enhancing overall productivity.
3-G1/2; Engineered for robustness and dependability, this port provides a solid foundation for your system, ensuring long-term reliability.;
4-G3/4; Offering advanced connectivity, this option delivers superior control and enhanced system integration, optimizing overall system efficiency.;
5, 55-G1; With its superior flow rate, this choice is perfect for high-demand applications, consistently delivering the performance you require.;
6-G1 1/4; Delivering unmatched performance, this is designed to excel in the field and overcome challenges, ensuring dependable operation.;
(3) Additional Components and Specifications - Elevating your lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, effectively tailored to meet your essential operational needs with precision and efficiency.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency and response.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability throughout the system.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for varied applications, ensuring tailored solutions fit your specific operational needs seamlessly:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering flexibility and precision to ensure optimal performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control across all operations: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; Providing crucial operational flexibility and control.D/F - Equipped with a cutting-edge pressure limiting valve for secondary pressure (F50), which boasts a precise and specified pressure value. This feature provides unparalleled safety measures to secure all operations, ensuring peace of mind and operational integrity.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Featuring adjustable settings that span 63, 120, 210, 280, 315, 350, and 400 bar levels, this component embodies versatility and precision at its finest. For those who value simplicity, the /NF option signifies the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, rendering it an essential component for your hydraulic applications.
(7) Product Series Classification - Setting the Standard for Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly tailored to meet every application, ensuring that you receive a product that precisely matches your individual requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless integration into your 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 that ensure unmatched precision and efficiency.
(10) Valve core function symbols: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy unique functional requirements with precision and reliability.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed for peak performance and efficiency.
(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 and secure system safety.
(13) Function ON/OFF and pressure outlet options: Choose customizable options like: 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 and adaptability.
(14) Operation modes: Experience a range of operation modes: A(1,2), manual operation with long or short handle options; 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 and precision.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration into your system.
(16) End plate options: Discover a world of customization with our tailored end plate options, designed to optimize your hydraulic control experience: E1, the standard choice, features an external discharge of pilot oil with an external oil return control port T. E2, mirroring E1, offers an additional port Y for enhanced functionality. E3 takes innovation a step further with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon power supply, ensuring peak performance.
E4, a strategic variation of E1, incorporates an internal discharge of pilot oil with a sealed port T, offering a refined approach to hydraulic control. E5 parallels E2, yet also incorporates internal discharge, catering to diverse operational needs. E6 mirrors E3's advancements, each crafted to ensure sophisticated discharge control, delivering precision in hydraulic management.
(17) Control voltage and the length of anti-explosion type cable options: Our selection empowers you to choose from options like G12-12VDC, each ensuring unparalleled safety and seamless compatibility with specialized applications, tailored to meet the demands of your hydraulic control operations.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 revolutionized the hydraulic industry with its groundbreaking innovations and steadfast commitment to excellence. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a distinguished national high-tech enterprise. Our expertise shines through in the meticulous research, development, manufacturing, and marketing of premium hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence positions us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, is the epitome of cutting-edge hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component is crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on our strategic collaborations with numerous leading domestic manufacturers, playing a vital 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 rise 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: Begin by sharing your precise requirements or intended applications with us. We will provide a tailored quote crafted to your specific needs or based on our expert recommendations. Once the drawings are confirmed and a deposit is placed, the order is finalized, and production commences. We ensure every specification is met with precision, delivering a seamless and bespoke solution 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: Absolutely, this is certainly possible. Please ensure you 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, perfectly reflecting your identity.
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