Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the epitome of hydraulic innovation, seamlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This synthesis guarantees unparalleled performance and steadfast reliability for every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into high-end hydraulic systems, proving indispensable for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and unrivaled control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to function 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly more gradual response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is of paramount importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, offering a perfect blend of precision, reliability, and unparalleled 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 stability and relentless performance, ensuring your systems operate with unmatched smoothness and efficiency.;
HLPSV: Variable Displacement Pump - Representing ultimate adaptability and flexibility, delivering remarkable versatility to fulfill diverse operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision integrates seamlessly with reliability, assuring dependable operations::
2-G3/8; Engineered for compact efficiency, facilitating streamlined and smooth operational processes.
3-G1/2; Constructed for durability and reliability, offering a robust architecture for your system's stability.;
4-G3/4; Providing advanced connectivity, ensuring superior control and enhanced system integration.;
5, 55-G1; Featuring a superior flow rate, this choice is ideal for high-demand applications, guaranteeing unwavering performance.;
6-G1 1/4; Delivering unmatched performance, designed to excel on the field and conquer challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy baseline, precisely designed to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control, augmenting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior dependability and performance.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafting tailored solutions to seamlessly address your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating it when unpowered;D/F - Comes equipped with an innovative pressure limiting valve designed for secondary pressure (F50), ensuring a precise specified pressure value. This cutting-edge feature offers unparalleled safety measures, securing operations and guaranteeing peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Engineered to offer adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component stands as an epitome of versatility and precision engineering. For those who value simplicity, /NF indicates the absence of a pressure limiting valve, specifically tailored for HLPSV. This feature guarantees optimal pressure management across diverse scenarios, making it absolutely essential for all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail, tailored to suit every conceivable application, ensuring you receive a product that precisely meets your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly designed ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration within your system.
(9)Directional valve block inflow controller options: Elegantly choose from: 1, without inflow controller; 2, the standard inflow controller; 4, a sophisticated 3-way flow controller ideal for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision, efficiency, and reliability.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet unique and diverse functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, intricately tailored for optimal performance and reliability.
(12) Secondary pressure limitation options: Opt between: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all precisely measured in bar, ensuring robust system safety and security.
(13) Function ON/OFF and pressure outlet options: Customize with options including: 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 precision and superior control.
(14) Operation modes: Diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy 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 an elongated handle; H, pure hydraulic control (synchronization of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, meticulously crafted for comprehensive and seamless control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration.
(16) End Plate Options: Customize your system with precision! Our tailored end plate choices include: E1 - The standard option with external discharge of pilot oil and an external oil return control port T; E2 - Similar to E1 but enhanced with an additional port Y for extra versatility; E3 - Featuring a 2-position, 3-way magnetic ball valve, this option elevates system pressure to safety valve levels during power supply, ensuring enhanced safety and control.
E4 - Similar to E1, yet offering internal discharge of pilot oil, sealing port T for a compact setup; E5 - Resembling E2 with an internal discharge; E6 - Echoing E3, each option guarantees sophisticated discharge control for optimal performance.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our specialized options like G12-12VDC, designed to ensure safety and compatibility with your specialized applications for maximum security and functionality.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 and excellence in the hydraulic industry. As a proud subsidiary of the China Baoan Group (stock code: 000009), we stand as a revered national high-tech enterprise. Our prowess encompasses the meticulous research, development, manufacturing, and sales of top-tier hydraulic components. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological advancement and unmatched quality, establishing us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of sophisticated hydraulic system control. Meticulously crafted for construction machinery and heavy-duty equipment, this multifaceted component is indispensable for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, significantly contributing to the localization of 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 unwavering in our commitment to providing 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:Our standard lead time for production is typically around one month after receiving payment. Throughout this period, we meticulously prepare and enforce rigorous quality control protocols to guarantee that each product arrives in immaculate condition. Delivering your order with precision and excellence is our unwavering commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer a remarkably low minimum order quantity, providing you with the advantage of ordering even just one piece for sample evaluation. This flexibility allows you to launch your projects with confidence and accuracy, tailored precisely to your specific needs without undue complication.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your comprehensive requirements or preferred applications with us. We will craft a personalized quote for you, informed by your specifications or through our expert recommendations. Once the drawings are approved and a deposit is made, we will finalize the order and initiate production, ensuring every aspect is executed flawlessly to provide a seamless and bespoke 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: Certainly, this is perfectly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample provided. This process guarantees that your brand is represented with exceptional accuracy and high-quality craftsmanship, embodying your identity flawlessly.
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