Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These pioneering engineering marvels represent the zenith of hydraulic innovation, seamlessly assimilating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unmatched performance and steadfast 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, vital for top-tier engineering machinery. They meticulously 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 - 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; Ingeniously crafted for compact efficiency, it's the key to streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and dependability, it forms a solid foundation for your system.;
4-G3/4; Offers advanced connectivity, delivering superior control and enhanced system integration for optimal performance.;
5, 55-G1; With its superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Unmatched in performance, designed to excel in the field and overcome challenges with remarkable ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, precisely tailored to your essential operational demands.;
G,Throttle Valve (For HLPSL only) - Ensures impeccable precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Meticulously providing tailored solutions to seamlessly meet your specific operational needs.
(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 - Incorporates a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Delivering advanced safety measures to secure and protect operations efficiently.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover a world of adaptability and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a testament to versatility, ensuring optimal pressure control in various applications. For those who prefer straightforward solutions, /NF signifies no pressure limiting valve, catering specifically to HLPSV. This indispensable feature guarantees exceptional hydraulic performance across diverse scenarios.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to specific applications, ensuring that you receive a solution perfectly aligned with your precise requirements.
(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, crafted for seamless integration within your hydraulic systems.
(9)Directional valve block inflow controller options: Select from a range of options tailored for precision and efficiency: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered to enhance operational performance.
(10) Valve core function symbols: Explore a comprehensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each skillfully crafted to meet unique functional demands, ensuring unparalleled versatility.
(11) Output flow code for ports A & B: Elevate efficiency with maximum output flow options: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, specifically designed for optimal performance across all applications.
(12) Secondary pressure limitation options: Opt for robust system safety with choices like: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring comprehensive protection.
(13) Function ON/OFF and pressure outlet options: Tailor your precision control with customizable options: 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 exceptional control.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), integrating electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (with pilot oil ports aligned with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive control and versatility.
(15) Ancillary block port sizes: Select from a versatile range: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration.
(16) End plate options: Our customizable end plate selections feature: E1, the standard choice, designed with external pilot oil discharge and an external oil return control port T; E2, crafted similarly to E1, with the addition of port Y for enhanced functionality; E3, equipped with a 2-position 3-way magnetic ball valve, which elevates system pressure to align with safety valve specifications during power supply, ensuring robust operation.
E4, akin to E1 but with internal pilot oil discharge, effectively sealing port T for optimal performance; E5, resembling E2 with internal discharge, offering seamless integration; E6, mirroring E3, guarantees advanced discharge control, enhancing the system's efficiency and reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range of options like G12-12VDC, designed to ensure safety and compatibility with specialized and demanding applications, providing peace of mind and versatility.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 Hydraulic Equipment Control with Enhanced Safety Atex 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.