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 - A pillar of steadfast and reliable performance, this ensures your operations maintain a smooth and efficient run at all times.;
HLPSV: Variable Displacement Pump - The epitome of versatility, this pump adapts and flexes with changing operational demands, offering unmatched adaptability.;
(2) Connection Block Ports P & R Specifications - Precision engineered for reliability, ensuring your system's operations are trustworthy and efficient::
2-G3/8; Crafted for compact efficiency, it facilitates smooth and streamlined operational flows with ease.
3-G1/2; Engineered for strength and reliability, this ensures a robust framework for your system.;
4-G3/4; Advances connectivity, providing superior control and seamless system integration.;
5, 55-G1; Ideal for high-demand settings, this delivers exceptional flow rates and consistent performance.;
6-G1 1/4; Designed for unparalleled performance, it excels in challenging environments.;
(3) Additional Components and Specifications - Elevate your lifting system capabilities with these standout features::
C,Standard Type - A dependable and trustworthy baseline, crafted to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, maximizing system efficiency as a whole.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring superior performance and unmatched reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailor your pressure control settings to suit a variety of applications seamlessly:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that adapt perfectly to your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhances operational efficiency and control with these options:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes it when unpowered; Offering flexibility to fit varying operational needs.D/F - Equipped with an advanced pressure limiting valve, specifically designed for secondary pressure (F50) with a predefined pressure value. This innovative feature integrates cutting-edge safety measures to ensure secure and reliable operations, delivering unmatched performance and peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at precise levels of 63, 120, 210, 280, 315, 350, and 400 bar, representing the epitome of precision and adaptability. For those who prioritize simplicity, the /NF option provides a model without a pressure limiting valve, specifically engineered for HLPSV. This feature ensures optimal pressure regulation across various scenarios, making it an indispensable asset 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 meticulously crafted to align with distinct applications, guaranteeing that you receive a product tailored to meet your specific needs and exceed your expectations.
(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 state-of-the-art intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for seamless integration and superior performance.
(9)Directional valve block inflow controller options: Choose from an array of options: 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, each ensuring precise control and maximum efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to cater to unique functional requirements, enhancing the versatility and efficiency of your system.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for optimal performance and reliability.
(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 robust safety and system integrity.
(13) Function ON/OFF and pressure outlet options: Customizable 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 engineered for precision control and reliability.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, each mode meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from a variety of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each designed for seamless integration and maximum adaptability to meet diverse application needs.
(16) End Plate Options: Discover our customizable end plate options designed to meet diverse operational needs: E1, the standard choice, features an external discharge of pilot oil and an external oil return control port T for optimal functionality. E2 builds on E1, incorporating an additional port Y for enhanced versatility. E3 is equipped with a 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels upon power supply activation, ensuring a robust and secure performance.
E4 mirrors E1 but includes an internal discharge of pilot oil, sealing port T for seamless integration. E5, akin to E2, features internal discharge, optimizing system efficiency. E6, paralleling E3, offers refined discharge control, ensuring every aspect of the operation is maximized for precision and safety.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from our array of control voltage options, such as G12-12VDC, which provide unmatched safety and compatibility with specialized, high-demand applications, maintaining integrity and performance.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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