Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation by flawlessly fusing pressure, flow, and directional control into one cohesive masterpiece. This ensures unmatched performance and reliability in every application. Typically comprised of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key advantages include a compact structure, superior energy efficiency, and the potential for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, offering unparalleled 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 expertly engineered for variable pump systems. Though 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 state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an ideal 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 - The cornerstone of dependability, this pump guarantees a harmonious and unfaltering performance, ensuring operations proceed seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - Renowned for its remarkable adaptability, this pump exemplifies flexibility, effortlessly catering to diverse operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Where accuracy aligns with trust, building a reliable operational foundation::
2-G3/8; Designed for compact efficiency, this port supports a smooth and uninterrupted operational flow.
3-G1/2; Crafted for strength and dependability, providing a robust foundation for maintaining system integrity.;
4-G3/4; Engineered for superior connectivity, enabling enhanced control and seamless system integration.;
5, 55-G1; Featuring exceptional flow rates, this port is perfect for high-demand applications, ensuring steady and reliable performance.;
6-G1 1/4; With unrivaled performance, this expertly designed port excels in challenging environments, addressing demands effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to exceptional levels::
C,Standard Type - A trustworthy and dependable foundation, intricately crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control, enhancing your system's overall operational efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to meet your specific operational demands effortlessly.
(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, activating the pump when powered and unloading when unpowered; D - Normally closed magnetic ball valve, unloading when powered and pressurizing when unpowered;D/F - Unveiling the future of hydraulic precision, this cutting-edge pressure limiting valve for secondary pressure (F50) showcases an ingeniously defined pressure specification. A masterpiece of engineering brilliance, it ensures that the highest standards of safety are not only met but exceeded. This valve optimizes operational security and reliability with unprecedented precision, setting a new benchmark in hydraulic control systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Step into a realm of exceptional versatility and precision. With adjustable settings at the formidable 63, 120, 210, 280, 315, 350, and 400 bar levels, this component is the embodiment of adaptability, seamlessly catering to every hydraulic demand. Featuring the /NF configuration, it offers systems without a pressure limiting valve, meticulously engineered for HLPSV, delivering unmatched pressure control across a wide range of applications.
(7) Product Series Classification - The Zenith of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design innovation, thoughtfully conceived to meet diverse application needs, ensuring a product that aligns precisely with your specialized requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless and impeccable integration.
(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, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each meticulously designed for precision and exceptional efficiency.
(10) Valve core function symbols: Explore a robust array of core functions: L, M, F, H, J, B, R, O, N, each painstakingly engineered to satisfy specific functional demands.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each precision-crafted for supreme performance and unwavering 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 meticulously measured in bar, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your operational experience 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 engineered for precise control and unparalleled functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with the option of a long or short handle; E, electric proportional control; EA(1,2), a hybrid 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 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, all meticulously engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Experience unrivaled versatility with our precision-engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is meticulously crafted for seamless adaptability, ensuring flawless integration into a wide array of diverse systems.
(16) End plate options: Discover our meticulously crafted end plate solutions: E1, the standard choice, offers an external discharge of pilot oil and an external oil return control port T; E2, similar to E1, is enhanced with an additional port Y for increased flexibility; E3, features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve thresholds when activated, providing superior control.
E4, designed in the spirit of E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced reliability; E5 mirrors the enhanced features of E2, offering internal discharge for optimal performance; E6 mirrors the sophisticated design of E3, ensuring advanced discharge control across every variant, elevating system efficiency.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible selection, such as G12-12VDC, masterfully crafted for the highest levels of safety and specialization, tailored for the most demanding applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our grand inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a shining beacon of pioneering innovation and unparalleled excellence within the hydraulic industry. As a prestigious subsidiary under the illustrious China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unmatched expertise lies in the meticulous research, development, manufacturing, and sales of superior hydraulic components. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and top-tier quality. This relentless commitment indisputably positions us as leaders within our field.
Our flagship marvel, the enhanced Safety Atex Valve, represents the zenith of cutting-edge hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this indispensable component proves vital for high-stakes applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with numerous leading domestic manufacturers, playing a pivotal 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 remain steadfast 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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