Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation, seamlessly blending pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless 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. Additionally, they empower multiple actuators to operate simultaneously under varying loads, ensuring 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. Conversely, 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 foundation of reliability and steady performance, ensuring seamless and efficient operations.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, tailored to accommodate a wide range of operational demands with exceptional flexibility.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets steadfast reliability, ensuring consistent and trustworthy operations::
2-G3/8; Crafted for compact efficiency, facilitating streamlined and seamless operational throughput.
3-G1/2; Engineered for robustness and dependability, providing a strong and unwavering foundation for your system.;
4-G3/4; Designed for advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; Offering an excellent flow rate, perfect for high-demand applications, ensuring consistent high-performance.;
6-G1 1/4; Providing unmatched field performance, designed to rise above challenges and excel.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable and trustworthy foundation, tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficacy of the system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering superior performance and steadfast dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for diverse applications: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 enhancing 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 sophisticated pressure limiting valve for secondary pressure (F50) with a specified pressure value; Offering enhanced safety measures to guarantee secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering a diverse range of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this is the ultimate in versatility and precision. For those who value simplicity, /NF represents the absence of a pressure limiting valve, strategically crafted for HLPSV. This feature ensures superior pressure control in various scenarios, making it an essential component in your hydraulic solutions.
(7) Product Series Classification - Setting the Standard for Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is impeccably designed to fit seamlessly into every application, ensuring that you receive a solution that aligns perfectly with 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 intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration into your systems.
(9)Directional valve block inflow controller options: Select from an array of options: 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, all designed to ensure precision and efficiency.
(10) Valve core function symbols: Explore an extensive variety of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with an array of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for peak performance.
(12) Secondary pressure limitation options: Select from: 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 comprehensive system safety.
(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 crafted for precise control.
(14) Operation modes: A diverse selection of operation modes: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), a synthesis 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, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for optimal adaptability.
(16) End plate options: Discover unparalleled customization with our expertly tailored end plate choices! Select from: E1, the standard, featuring an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1 but with an additional port Y for expanded functionality; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to the safety valve levels whenever there's power supply, ensuring maximum performance and safety.
E4, offering the robust features of E1 but with an internal discharge of pilot oil and a sealing port T for added control; E5, similar to E2, also with internal discharge for streamlined operations; E6, echoing E3, each meticulously engineered to guarantee sophisticated discharge control, meeting the highest standards of hydraulic efficiency.
(17) Control voltage and the length of anti-explosion type cable options: Experience the pinnacle of safety and versatility with our control voltage selections. Choose from options like G12-12VDC, ensuring seamless integration and safety across specialized 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 in the hydraulic industry, demonstrating unmatched excellence. As a subsidiary of the renowned China Baoan Group (stock code: 000009), we pride ourselves as a distinguished national high-tech enterprise. Our expertise is centered on the comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, our unwavering commitment to technological advancement and superior quality is evident. This dedication propels us to the forefront of our industry, establishing us as leaders.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously engineered for construction machinery and robust equipment, this versatile component is indispensable for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, playing a crucial role in the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to delivering outstanding products, services, and solutions. Our mission 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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