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 robustness and dependability, ensuring unwavering performance to maintain seamless and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - A model of flexibility and dynamism, delivering remarkable adaptability to meet a vast array of operational demands with finesse.;
(2) Connection Block Ports P & R Specifications - Where precision meets unwavering reliability, creating a dependable operational blueprint::
2-G3/8; Expertly designed for compact efficiency, structured to support streamlined and uninterrupted operational flows.
3-G1/2; Crafted for strength and reliability, providing a robust foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superb control and enhanced system integration.;
5, 55-G1; Built with superior flow rates, perfect for high-demand applications, guaranteeing consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, expertly crafted to excel in challenging environments and tackle obstacles with ease.;
(3) Additional Components and Specifications - Raising system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted base, meticulously engineered to meet critical operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(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 customized solutions to precisely fulfill your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressure when powered, unloads it when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes it when unpowered;D/F - This state-of-the-art valve is equipped with a precision-engineered pressure limiting component specifically designed for secondary pressure (F50), incorporating a defined pressure value. This remarkable feature ensures that advanced safety measures are seamlessly integrated, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic system experience with unparalleled versatility and precision, featuring adjustable settings across a spectrum of 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a beacon of adaptability, addressing all hydraulic necessities with ease. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, meticulously engineered for HLPSV, ensuring impeccable pressure management tailored to diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterwork, crafted with expertise to meet every application demand, assuring you receive a product that impeccably aligns with your unique requirements.
(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, expertly engineered for a smooth and seamless integration.
(9)Directional valve block inflow controller options: Discover an impressive range: 1, sans inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exemplary efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands with precision and sophistication.
(11) Output flow code for ports A & B: Achieve pinnacle efficiency with available peak output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously designed for superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all parameters measured in bar, ensuring uncompromising system safety and effectiveness.
(13) Function ON/OFF and pressure outlet options: Tailor your system with choices 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 engineered for precision control and functionality.
(14) Operation modes: Select from a spectrum of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 crafted for comprehensive and precise control, catering to your specific operational needs.
(15) Ancillary block port sizes: Explore an array of adaptable configurations: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Expertly crafted for seamless versatility, these options ensure flawless integration with various systems, tailored to meet your specific hydraulic requirements.
(16) End plate options: Experience our meticulously designed end plate solutions: E1, the standard choice, featuring an external discharge of pilot oil and an external oil return control port T; E2, an upgraded version of E1, enhanced with an additional port Y; E3, incorporating a 2-position 3-way magnetic ball valve, empowering your system by elevating pressure to safety valve levels upon activation.
E4, akin to E1 in design, yet innovatively integrates an internal pilot oil discharge with a sealed port T; E5 mirrors the advancements of E2, also featuring internal discharge; E6 echoes the sophistication of E3, each variant guaranteeing superior discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Select from an array of secure and specially designed options such as G12-12VDC, engineered for safety and reliability in demanding applications.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, represents 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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