Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, seamlessly fusing pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability in every application. Generally 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, pivotal for top-tier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Additionally, they enable multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, rendering them the ultimate choice for applications where efficiency is vital. 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 unwavering reliability, expertly engineered to deliver consistent and steadfast performance, ensuring smooth and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering remarkable flexibility to cater to a broad spectrum of operational requirements with superior finesse.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a robust and dependable operational framework::
2-G3/8; Expertly crafted for compact proficiency, designed to support streamlined and seamless operational flows with unparalleled ease.
3-G1/2; Meticulously engineered for robustness and reliability, providing a steadfast foundation for the integrity of your system.;
4-G3/4; Boasting advanced connectivity, offering superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with exceptional flow rates, perfect for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unmatched performance, flawlessly designed to excel in the most demanding environments and effortlessly tackle challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Assures precision control, enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions crafted to seamlessly meet the specific demands of your operations.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing both 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 - Discover the pinnacle of engineering with this precision-engineered pressure limiting valve tailored for secondary pressure (F50). It boasts a specific pressure value, a testament to advanced engineering. This valve elevates safety measures to new heights, ensuring optimal operational security and reliability with unparalleled precision and assurance. Experience innovation like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic systems with premium versatility and precision. With adjustable settings ranging from 63 to 400 bar levels, this component is the epitome of adaptability, effortlessly meeting every hydraulic necessity. The /NF configuration allows systems to operate without a pressure limiting valve, intricately designed for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterstroke of design, meticulously crafted to match every application, ensuring you receive a product that aligns perfectly with your precise requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with excellence for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Explore an array of choices: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precise adjustment and remarkable efficiency.
(10) Valve core function symbols: Explore an extensive catalog of core functions: L, M, F, H, J, B, R, O, N, each carefully crafted to meet specific functional needs with utmost precision.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with maximum 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: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic experience with options 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 enhanced functionality.
(14) Operation modes: Choose 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 fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination 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 comprehensive and precise control.
(15) Ancillary block port sizes: Unlock the potential of our expertly crafted port size options, designed for unmatched adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously engineered for perfect integration, offering seamless versatility across an array of systems.
(16) End plate options: Discover our array of meticulously designed end plate solutions: E1, your go-to standard, facilitates an external discharge of pilot oil alongside an external oil return control port T; E2, akin to E1, but with the added flexibility of an extra port Y; E3, featuring a sophisticated 2-position 3-way magnetic ball valve, enhances system pressure to align with safety valve thresholds when activated.
E4, echoing the design of E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T; E5 parallels E2, yet with an internal discharge to maximize performance; E6 mirrors the design excellence of E3, ensuring superior discharge control across all varieties.
(17) Control voltage and anti-explosion cable options: Choose from our robust, secure, and specialized range, like the G12-12VDC, engineered for safety and precision in the most demanding 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 stood as a beacon of innovation and excellence within the hydraulic industry, proudly affiliated with the esteemed China Baoan Group (stock code: 000009). As a nationally recognized high-tech enterprise, we embody cutting-edge innovation and unrivaled quality. Our expertise spans meticulous research, development, manufacturing, and sales of high-quality hydraulic components, securing our place as pioneers in our field. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological prowess and superior quality assurance. This dedication clearly positions us as leaders within our domain.
Our flagship offering, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Skillfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are extremely proud of our strategic alliances with leading domestic manufacturers, playing a vital role in 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 steadfast in our mission to deliver exceptional products, services, and solutions. Our vision is to ascend as a globally trusted supplier of premier hydraulic components, setting new standards 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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