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 - The cornerstone of reliability, this pump ensures a continuous and unwavering performance, facilitating smooth and efficient operations across your system.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, offering exceptional flexibility to meet a broad spectrum of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting an operational framework you can trust::
2-G3/8; Expertly crafted for compact efficiency, it is designed to promote streamlined and seamless operational flows, enhancing system productivity.
3-G1/2; Engineered with strength and reliability, forming a robust base for maintaining your system's integrity.;
4-G3/4; Featuring advanced connectivity for superior control, it ensures enhanced system integration for optimal performance.;
5, 55-G1; Designed for superior flow rates, making it ideal for high-demand applications, guaranteeing consistent and dependable performance.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in challenging environments with effortless efficiency.;
(3) Additional Components and Specifications - Elevating your system's capabilities to remarkable new heights::
C,Standard Type - A trusted and dependable base, meticulously engineered to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision: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 - Engineered for excellence, our pressure limiting valve for secondary pressure (F50) is meticulously crafted to a defined pressure value. This state-of-the-art feature embodies advanced safety, significantly boosting operational security and reliability during all processes.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, catering to a vast array of hydraulic requirements. For configurations that demand streamlined simplicity, /NF signifies no pressure limiting valve, curated specifically for HLPSV, ensuring impeccable pressure management for diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to ingenious design, tailored to suit every conceivable application, providing you with a product that is perfectly aligned with your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for efficient and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection: 1, no inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, superior inflow controller; 8, customizable options, each engineered for precision and exceptional efficiency.
(10) Valve core function symbols: Dive into a broad spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to address specific functional requirements.
(11) Output flow code for ports A & B: Unlock peak efficiency with our available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for outstanding performance and reliability.
(12) Secondary pressure limitation options: Choose wisely: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to guarantee unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Personalize with options such as: 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 exacting control and functionality.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with choice of 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 the long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and precision control.
(15) Ancillary block port sizes: Experience unparalleled versatility with our selection: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted for effortless adaptability and integration into your system.
(16) End plate options: Explore our bespoke end plate solutions: E1, our standard model, offering an external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but enhanced with an extra port Y; E3, featuring a 2-position 3-way magnetic ball valve, which boosts your system's pressure to safety valve standards when energized.
E4, akin to E1 in design, yet creatively merging an internal discharge of pilot oil with a sealed port T; E5, paralleling E2, includes internal discharge; E6 mirrors the sophistication of E3, each variant ensuring superior discharge management.
(17) Control voltage and anti-explosion cable options: Select from a variety of secure and compatible choices, such as G12-12VDC, expertly designed for reliability and precision in demanding environments.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 enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, is a testament to 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: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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