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 - The key to unlocking superior functionality in your hydraulic systems.
HLPSL: Constant Displacement Pump - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently, without a hitch.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet and exceed diverse operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations to inspire confidence::
2-G3/8; Designed for compact efficiency, seamlessly catering to streamlined operational flows, ensuring precision in every task.
3-G1/2; Built for robustness and dependability, providing a rock-solid foundation for your system's ever-evolving needs.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration for future-ready operations.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring unwavering performance and reliability.;
6-G1 1/4; Providing unmatched performance, ingeniously designed to excel in the field and overcome challenges with finesse.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of innovation and efficiency::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to meet your essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing overall system efficiency, and driving peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, empowering superior performance and guaranteed dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for diverse applications with elegance and efficiency:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operations, enhancing 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 - Equipped with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations with confidence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled adaptability and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those seeking straightforward solutions, /NF indicates the absence of a pressure limiting valve, a design specifically for HLPSV. This feature promises optimal pressure control across diverse scenarios, making it an essential component for your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application requirement, ensuring that you receive a product designed to meet your unique specifications.
(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 finely engineered intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring seamless system integration.
(9)Directional valve block inflow controller options: Choose from: 1, devoid of inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller adept for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring supreme precision and efficiency.
(10) Valve core function symbols: Discover a diverse selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy distinct functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with maximum output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously calibrated for peak performance.
(12) Secondary pressure limitation options: Options include: N, without 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailored options available: N, devoid of 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 offering precision control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with either long or short handle options; E, electric proportional control; EA(1,2), a fusion of electric proportional control with manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning featuring a long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicularly aligned pilot oil ports, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from an array of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability.
(16) End plate options: Our expertly tailored end plate choices cater to various needs, ensuring maximum efficiency and safety. Options include: E1, the standard choice, featuring an external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but with an additional port Y, for enhanced connectivity; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels when power is supplied. These configurations ensure optimal performance under varying operational conditions.
E4, an innovative variant similar to E1, offers internal discharge of pilot oil with a sealed port T; E5, akin to E2, also provides internal discharge, optimizing for different system requirements; E6, following the E3 model, guarantees refined and sophisticated discharge control for reliable and consistent operations, adapting to your system's unique demands.
(17) Control voltage and the length of anti-explosion type cable options: Ensure safety and compatibility with specialized applications by selecting from our diverse voltage options, such as G12-12VDC, specifically designed for secure and efficient operation in demanding environments.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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