Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, masterfully integrating pressure, flow, and directional control into one harmonious masterpiece. This ensures unmatched performance and reliability across all applications. Typically crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these valves are ingeniously designed for seamless integration into high-end hydraulic systems, pivotal for top-tier engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in any scenario. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may showcase a slightly slower response time, they excel in providing remarkable energy-saving performance, making them the ultimate choice for applications where efficiency is critical. With their advanced engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control needs, offering an impeccable combination 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 bedrock of consistent performance, expertly designed to maintain the smooth and efficient operation of your systems.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, providing unmatched versatility to suit a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - The nexus of precision and dependability, offering steadfast operations::
2-G3/8; Engineered for compact efficiency, ensuring your operations are streamlined and flow seamlessly.
3-G1/2; Crafted for robustness and reliability, forming the backbone of your system's integrity.;
4-G3/4; Delivering advanced connectivity, it ensures superior control and enhanced integration across systems.;
5, 55-G1; With an exceptional flow rate, this option caters to high-demand applications, guaranteeing steady performance.;
6-G1 1/4; Unrivaled in performance, it is designed to excel in challenging environments, overcoming field obstacles with ease.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A steadfast and reliable baseline, precisely tailored to fulfill your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control, significantly boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management for superior performance and dependability.;
(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); Customized solutions seamlessly fitting your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and optimizing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when energized, pressurizing when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50), this advanced feature integrates a specified pressure value, offering state-of-the-art safety measures to ensure secure operations, enhancing the reliability and robustness of your systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component provides adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, exemplifying versatility and precision. For those desiring simplicity, /NF denotes no pressure limiting valve, specifically crafted for HLPSV. This feature is essential for ensuring optimal pressure control across diverse scenarios, making it a crucial asset for your hydraulic system 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, ensuring you receive a product that meets your precise specifications and requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from an assortment 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 engineered to guarantee precision and efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill unique functional needs and requirements.
(11) Output flow code for ports A & B: Elevate efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed for superior performance tailored to your specifications.
(12) Secondary pressure limitation options: Select from: N, no 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 strong and robust system safety.
(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 adaptability.
(14) Operation modes: A diverse selection of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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 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 designed for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and integration.
(16) End Plate Options: Discover a range of meticulously tailored end plate choices designed to enhance your system's functionality. Choose from: E1, the standard option, featuring the external discharge of pilot oil and an external oil return control port T. For added versatility, E2 offers a similar design to E1 with an additional port Y. For advanced performance, E3 integrates a 2-position 3-way magnetic ball valve, which significantly elevates system pressure to safety valve levels during power supply.
E4, mirroring E1's functionality but featuring an internal discharge of pilot oil and a sealed port T for enhanced control. E5 offers the reliability of E2 combined with the advantages of internal discharge. Experience the sophistication of precise discharge control with E6, echoing the advanced design of E3.
(17) Control Voltage and Explosion-Proof Cable Length Options: Ensure the ultimate in safety and compatibility for specialized applications by selecting from our comprehensive options, such as G12-12VDC.G24-Choose from multiple configurations to perfectly match your needs: 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 Technology for Mining Equipment Safety, 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.
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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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