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 unwavering reliability, offering a harmonious blend of consistent and steadfast performance that guarantees smooth, efficient operations throughout your hydraulic systems.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump provides extraordinary flexibility to cater to a wide array of operational requirements, ensuring optimal performance in every scenario.;
(2) Connection Block Ports P & R Specifications - Where precision is synonymous with reliability, crafting a framework you can trust::
2-G3/8; Designed for compact efficiency, facilitating seamless operational flows and supporting streamlined performance with ease.
3-G1/2; Engineered for durability and steadfast reliability, this port provides a robust foundation for maintaining your system's integrity.;
4-G3/4; With advanced connectivity, this port offers superior control and enhances system integration for optimal functionality.;
5, 55-G1; Featuring enhanced flow rates, it is perfect for high-demand applications, ensuring consistent and reliable performance across the board.;
6-G1 1/4; Expertly designed for unmatched performance, excelling in demanding environments and overcoming challenges with ease.;
(3) Additional Components and Specifications - Taking system capabilities to new realms of excellence::
C,Standard Type - A steadfast foundation, meticulously crafted to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse 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 specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision: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 - Immerse yourself in the forefront of hydraulic safety with our precision-engineered pressure limiting valve for secondary pressure (F50), meticulously crafted with a pre-defined pressure value. This state-of-the-art feature guarantees enhanced operational security and unwavering reliability, safeguarding your operations with unparalleled protection.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace a new level of versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, addressing every hydraulic requirement effortlessly. The /NF designation indicates the absence of a pressure limiting valve, expertly designed for HLPSV, ensuring seamless pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, meticulously crafted to meet diverse application demands, ensuring you acquire a product that impeccably aligns 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 essential blocks or an intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for effortless and flawless integration.
(9)Directional valve block inflow controller options: Tailor your system with choices like: 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 precision and superior efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each skillfully engineered to fulfill specific functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with a range of peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for exceptional performance and dependability.
(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 relentless system safety.
(13) Function ON/OFF and pressure outlet options: Personalize with selections 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 precise and refined control.
(14) Operation modes: Choose 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 harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control with 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 meticulous control.
(15) Ancillary block port sizes: Choose from a range of adaptable options that ensure seamless adaptability and integration with your system. Our expertly engineered choices include: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously designed for the perfect fit and optimal performance.
(16) End plate options: Discover our finely tailored end plate solutions, crafted to meet diverse system needs. Option E1 offers a standard configuration 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, offering greater flexibility. For those seeking advanced control, E3 includes a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels upon activation.
E4 maintains the sleek design of E1 while innovatively integrating an internal discharge of pilot oil with a sealed port T, offering enhanced control. E5 reflects the qualities of E2, featuring an internal discharge. E6 continues the excellence of E3, ensuring each variant provides sophisticated and advanced discharge control.
(17) Control voltage and anti-explosion cable options: Select from a suite of secure, compatible options that cater to demanding safety and specialization requirements. Available choices include G12-12VDC, designed for rigorous 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 embarked on a remarkable journey of innovation and excellence, casting a brilliant light on the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. With expertise 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. Our relentless dedication propels us as leaders in our field of hydraulic solutions.
Our flagship product, the enhanced Safety Atex Valve with its load-sensitive proportional valve, epitomizes cutting-edge hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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.
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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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