Introducing our groundbreaking HLPSL and HLPSV Load-Sensitive Proportional Multi-Way Directional Spool Valves. These extraordinary engineering marvels are the epitome of hydraulic innovation, flawlessly melding pressure, flow, and directional control into a singular, cohesive unit. This ensures exceptional performance and steadfast reliability across a wide array of applications. Constructed with three pivotal functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, playing a vital role in elite engineering machinery. They masterfully regulate movement direction and speed for hydraulic cylinders, motors, and other actuators, providing unrivaled precision and control. Key features include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to perform simultaneously under diverse loads, delivering peerless performance and adaptability for any application.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring unwavering and dependable operation across various environments. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may have a slightly slower response time, they excel in providing outstanding energy-saving performance, establishing them as the quintessential choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-conscious design, HLPSV valves stand out as the premier solution for sophisticated hydraulic control needs, 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 smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: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.
(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, specifically designed for secondary pressure (F50). This state-of-the-art feature ensures the highest level of safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unprecedented versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This exceptional component exemplifies adaptability, seamlessly accommodating various hydraulic requirements. The /NF configuration, which denotes no pressure limiting valve, is meticulously tailored for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering marvel, skillfully crafted to meet a variety of applications, providing you with a product that aligns precisely with your unique needs.
(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, meticulously engineered for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller designed for both inlet and outlet, specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unparalleled precision and remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver 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 measured in bar, ensuring the utmost 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 option meticulously crafted for precise control and optimal functionality.
(14) Operation modes: Select from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless 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 designed with precision for comprehensive and precise control.
(15) Ancillary block port sizes: Dive into a world of precision with our meticulously crafted options tailored for seamless adaptability and integration. Select from our expertly engineered choices: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option embodies the pinnacle of flexibility, ensuring a perfect fit for your specific requirements and enabling optimal performance across diverse applications.
(16) End plate options: Discover our exceptional collection of end plate solutions, each finely tailored for superior adaptability. E1 offers the standard option, featuring an external discharge of pilot oil and an external oil return control port T. E2 enhances this with an additional port Y, providing extra versatility. Embrace the cutting-edge innovation of E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered. This ensures unmatched performance and reliability.
E4 mirrors the design of E1 but stands out with an integrated internal discharge of pilot oil and a sealed port T, offering unique benefits. E5 parallels E2's capabilities with an internal discharge feature. Revel in the sophistication of E6, a reflection of E3's advanced design, promising enhanced discharge control for optimal system performance and reliability across your operations.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our diverse range of tailored solutions. Choose G12-12VDC for specialized applications demanding uncompromising safety and seamless compatibility, ensuring that every requirement is met with precision and assurance.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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