Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Behold these revolutionary engineering creations that stand at the pinnacle of hydraulic innovation. They seamlessly integrate pressure, flow, and directional control into a singular, harmonious masterpiece, ensuring exceptional performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are the epitome of meticulous craftsmanship, designed for seamless integration into high-end hydraulic systems. These are crucial for top-tier engineering machinery, precisely governing 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, offering a slightly slower response time but excelling in exceptional energy-saving performance. They are 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 keystone of reliability, delivering consistent and steadfast performance to ensure seamless and efficient operations throughout your system. Experience unwavering support that keeps everything running smoothly.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide array of operational requirements. Tailor your operations with this versatile solution.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework for ultimate system integrity::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, ensuring every component works in harmony.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity and unmatched performance.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration for peak performance.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent reliability and performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments, tackling challenges with ease and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights, setting new standards for operational excellence::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements with unparalleled efficiency.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing overall system efficiency with refined performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability beyond expectations.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for diverse applications, ensuring precision and adaptability:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands with ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with innovative designs: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; Offering versatile options to streamline your system's functionality with ease.D/F - Meticulously designed for precision, our pressure limiting valve for secondary pressure (F50) ensures advanced safety measures with a predefined pressure value. This state-of-the-art feature is crafted to enhance operational security and reliability, providing unparalleled assurance in your hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched precision and versatility with our adjustable settings offering pressure levels at 63, 120, 210, 280, 315, 350, and 400 bar. This component exemplifies adaptability, perfectly addressing all hydraulic requirements. With /NF, streamline your configurations by eliminating the pressure limiting valve, meticulously crafted for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is expertly engineered to perfection, ensuring a product that aligns seamlessly with your specific needs and applications.
(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, precisely crafted for seamless integration and smooth operations.
(9)Directional valve block inflow controller options: Select from our diverse range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and outstanding efficiency.
(10) Valve core function symbols: Discover an extensive selection of meticulously crafted core functions: L, M, F, H, J, B, R, O, N, each tailored to meet specific functional demands efficiently.
(11) Output flow code for ports A & B: Achieve peak efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for superior performance and reliability.
(12) Secondary pressure limitation options: Choose 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 precisely measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 engineered for precise control and adaptability.
(14) Operation modes: Opt for our array of operation modes: 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 mode crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Explore our range of meticulously crafted options for seamless adaptability and integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is expertly engineered to meet your unique demands and ensure superior performance.
(16) End plate options: Unveil our exclusive selection of end plate solutions, each finely tailored for specific needs: E1, the standard option, offers an external discharge of pilot oil and an external oil return control port T; E2, closely resembling E1, is enhanced with an additional port Y; E3 boasts a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring optimal functionality.
E4, maintaining the integrity of E1's design, innovatively integrates an internal discharge of pilot oil with a sealed port T; E5 reflects E2's structure, also featuring internal discharge; E6 encapsulates the sophistication of E3, each variant assuring enhanced discharge control for superior system performance.
(17) Control voltage and anti-explosion cable options: Select from our range of secure and compatible options, perfectly tailored for safety and specialization in challenging applications: G12-12VDC, designed to meet the demands of rigorous 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 flagship product, the enhanced Safety Atex Valve, epitomizes the pinnacle of advanced hydraulic system control technology. This load-sensitive proportional valve is expertly engineered to meet the rigorous demands of construction machinery and heavy-duty equipment. It plays 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, facilitating 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 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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