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 dependability, delivering unwavering and robust performance to ensure seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A model of flexibility and versatility, offering exceptional adaptability to meet a diverse range of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, establishing a dependable operational framework::
2-G3/8; Designed for compact efficiency, crafted to support smooth and seamless operational flows with ease.
3-G1/2; Built for strength and durability, providing a stable foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, ensuring superior control and enhanced system integration.;
5, 55-G1; Optimized for high flow rates, perfect for demanding applications, guaranteeing consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, meticulously engineered to excel in challenging environments and tackle complex tasks effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to remarkable heights::
C,Standard Type - A steadfast and reliable foundation, precisely designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, maximizing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions to seamlessly meet your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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 - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, significantly bolstering operational security and reliability in your hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, effortlessly accommodating various hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, expertly tailored for HLPSV, guaranteeing impeccable pressure management across a wide range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering, meticulously crafted to meet diverse applications, providing you with a product that aligns seamlessly with your specific needs for optimal performance.
(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, engineered with precision for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Select from a diverse range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailor-made for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional requirements with unmatched accuracy.
(11) Output flow code for ports A & B: Achieve maximum efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed to deliver superior performance and reliability across all operational scenarios.
(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 measured in bar, ensuring uncompromised system safety and integrity.
(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 option meticulously engineered for precise control and functionality.
(14) Operation modes: Select 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 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our expertly crafted options, designed to seamlessly adapt and integrate with your existing systems. Choose from our precision-engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option epitomizes flexibility, ensuring a perfect fit for your specific requirements.
(16) End plate options: Dive into our exceptional collection of meticulously tailored end plate solutions. E1 offers a standard choice with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but is enhanced with an additional port Y. Experience the cutting-edge innovation of E3, featuring a 2-position 3-way magnetic ball valve. This elevates your system's pressure to safety valve levels when powered, delivering unmatched performance.
E4, designed akin to E1, distinguishes itself by offering an internal discharge of pilot oil with a sealed port T. E5 replicates the features of E2 with an internal discharge capability. Uncover the superior sophistication of E6, which mirrors the advanced design of E3, with each variant guaranteeing enhanced discharge control for peak system performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our range of custom solutions. Opt for G12-12VDC, which is perfect for specialized applications that require unwavering safety and compatibility.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, embodies 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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