Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to our pioneering spirit in hydraulic engineering. These marvels of innovation represent the zenith of hydraulic technology, flawlessly merging pressure, flow, and directional control into an integrated, elegant masterpiece. This synthesis ensures unmatched performance and reliability across diverse applications. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these meticulously crafted valves are engineered for integration into elite hydraulic systems, essential for state-of-the-art engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key highlights include a compact design, superior energy efficiency, and seamless stepless speed control. Additionally, they empower multiple actuators to function simultaneously under varying loads, delivering extraordinary performance and adaptability for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves might show a slightly slower response time, they excel at delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for sophisticated 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 cornerstone of reliability, this pump is engineered to deliver unwavering and consistent performance, ensuring smooth operations across your entire system with steadfast dependability.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and versatility, this pump offers exceptional flexibility to meet a diverse array of operational needs, accommodating a wide range of requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a robust operational framework you can trust::
2-G3/8; Expertly fashioned for compact proficiency, this design supports streamlined and seamless operational flows to enhance efficiency.
3-G1/2; Built for durability and reliability, providing a solid and dependable base that upholds your system's integrity with strength.;
4-G3/4; Featuring advanced connectivity, this specification offers superior control and enhanced integration, elevating your system's performance.;
5, 55-G1; Equipped to deliver superior flow rates, this is ideal for high-demand applications, ensuring consistent reliability and performance.;
6-G1 1/4; Offering unmatched performance, this specification is expertly crafted to excel in demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new heights::
C,Standard Type - A reliable and trusted foundation, this component is meticulously designed to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing your system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving performance and dependability to unparalleled levels.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly adapt to your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, activating it when unpowered;D/F - Unleash the power of precision with our state-of-the-art pressure limiting valve, meticulously engineered for secondary pressure (F50) with a precise pressure value. This groundbreaking feature is crafted to elevate safety standards, ensuring enhanced operational security and unwavering reliability in every use.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the pinnacle of versatility and precision with adjustable settings at an impressive range of 63, 120, 210, 280, 315, 350, and 400 bar levels. This exceptional component embodies adaptability, fulfilling every hydraulic demand. For seamless configurations, /NF indicates the absence of a pressure limiting valve, expertly designed for HLPSV, ensuring impeccable pressure management across a myriad of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, masterfully crafted to suit every application, guaranteeing a product that seamlessly aligns with 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 auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely crafted for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfil specific functional needs.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows ranging at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for superior performance and dependability.
(12) Secondary pressure limitation options: Choose: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options like: 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 tailored for precise control and functionality.
(14) Operation modes: Choose from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Experience the versatility with our expertly engineered port options, designed for seamless adaptability and flawless integration. Choose from: /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted to meet your specific needs efficiently.
(16) End plate options: Explore our meticulously crafted end plate solutions. E1 offers the standard option, featuring external discharge of pilot oil and an external oil return control port T. For enhanced functionality, E2 closely resembles E1 with the addition of an extra port Y. For superior system safety, E3 is equipped with a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered.
E4 shares the innovative design of E1 but integrates an internal discharge of pilot oil with a sealed port T. E5 mirrors E2 with the added benefit of internal discharge. E6 reflects the sophistication of E3, with each variant ensuring advanced discharge control for optimal performance.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, perfect for demanding applications. Options like G12-12VDC are tailored for safety and specialization, ensuring reliable operation under the toughest conditions.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.
Introducing our Proportional Valve Technology for Enhanced Safety in Mining Equipment, the flagship product-the load-sensitive proportional valve-exemplifies the pinnacle of advanced hydraulic system control. This expertly engineered component is crafted for construction machinery and heavy-duty equipment, playing an indispensable role in 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, serving as a driving force 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:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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