Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a symbol of ultimate hydraulic innovation. These exceptional engineering marvels seamlessly integrate pressure, flow, and directional control into one harmonious unit, delivering unmatched performance and reliability across diverse applications. Typically comprised of three essential functional modules: connecting blocks, directional valves, and end plates, these valves are expertly designed for seamless integration into high-end hydraulic systems, essential for top-tier engineering machinery. They offer precise regulation over the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring precision and control that is second to none. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate concurrently under varying loads, providing unbeatable performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in providing outstanding energy-saving performance, making them the premier choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the top solution for advanced hydraulic control needs, offering an impeccable fusion 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 - A pillar of reliability, it ensures consistent and steadfast performance, enabling smooth and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering impressive flexibility to meet a diverse array of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, establishing a trustworthy operational framework::
2-G3/8; Designed for compact efficiency, tailored to support streamlined and seamless operational flows.
3-G1/2; Engineered for durability and reliability, providing a solid foundation for your system's integrity.;
4-G3/4; Showcasing advanced connectivity, delivering 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; Offering unmatched performance, expertly crafted to excel in demanding environments and handle challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A dependable and trusted foundation, meticulously designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized 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 needs.
(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 - Unveil the brilliance of engineering with this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). It is adorned with a specifically defined pressure value, setting new benchmarks in operational security and reliability. Marvel at the advanced safety measures it enhances, optimizing your hydraulic systems to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate expression of adaptability and precision. With adjustable settings ranging from 63 to 400 bar levels, this component encapsulates seamless adaptability to meet every hydraulic demand. The /NF configuration offers a system without a pressure limiting valve, expertly crafted for HLPSV, providing exceptional pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, tailored to fulfill every application requirement, ensuring you receive a product that aligns seamlessly with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Coupled with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, it promises flawless and integrated performance.
(9)Directional valve block inflow controller options: Choose from a spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each promising precision and remarkable efficiency.
(10) Valve core function symbols: Explore a vast range of core functions: L, M, F, H, J, B, R, O, N, meticulously crafted to meet specific functional necessities.
(11) Output flow code for ports A & B: Achieve superior performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for optimal performance and reliability.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing robust 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 crafted for precise and sophisticated control.
(14) Operation modes: Choose from a diverse array of operation modes: A(1,2), manual operation with long or short handle options; E, electric proportional control; EA(1,2), a synthesis of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of electric switching value control and manual operation; M, manual friction positioning with a 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, designed for in-depth and precise control.
(15) Ancillary block port sizes: Unlock unparalleled versatility with our meticulously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is precision-engineered to deliver seamless adaptability and flawless integration across a wide range of systems, ensuring your setup operates at peak efficiency.
(16) End plate options: Discover our exquisitely designed end plate solutions: E1, your go-to standard, features an external discharge of pilot oil and an external oil return control port T-perfect for reliable performance; E2, mirroring E1's capabilities, adds an extra port Y for enhanced adaptability; E3 introduces a 2-position 3-way magnetic ball valve, automatically elevating system pressure to safety valve benchmarks when engaged, offering superior protection and operational excellence.
E4, crafted similarly to E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T, optimizing operational performance; E5 mirrors E2's features with an internal discharge configuration for enhanced efficiency; E6 replicates E3's sophisticated design, providing cutting-edge discharge control across all configurations, epitomizing advanced engineering.
(17) Control voltage and anti-explosion cable options: Choose from our robust and compatible selection, including G12-12VDC, purpose-built for security and excellence in the most challenging applications. Each option is designed to meet the highest safety standards, ensuring dependable operation.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 proudly stood as a beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our unmatched expertise lies in the comprehensive research, development, manufacturing, and sales of premium hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological advancement and unrivaled quality. This relentless dedication solidifies our position as industry leaders.
Our flagship offering, the enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this indispensable component is vital for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly engage in strategic partnerships with numerous leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our dedication to delivering outstanding 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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