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 reliability, engineered to deliver unwavering and consistent performance, ensuring seamless and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The embodiment of flexibility and versatility, offering exceptional adaptability to meet an extensive range of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, establishing a robust and dependable operational framework::
2-G3/8; Crafted for compact proficiency, meticulously designed to sustain streamlined and seamless operational flows.
3-G1/2; Meticulously engineered for durability and reliability, forming a solid foundation for your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, offering superior control and enriched system integration.;
5, 55-G1; Designed with superior flow rates, perfect for high-demand applications, guaranteeing consistent and dependable performance.;
6-G1 1/4; Delivering unrivaled performance, expertly crafted to excel in challenging environments and tackle obstacles effortlessly.;
(3) Additional Components and Specifications - Augmenting system capabilities beyond expectations::
C,Standard Type - A steadfast and trusted foundation, meticulously engineered to fulfil essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing overall system efficiency.;
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 - Delivering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions to flawlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating 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 - This precision-engineered masterpiece, the state-of-the-art pressure limiting valve for secondary pressure (F50), comes with a specifically defined pressure value. A true marvel of modern engineering, it ensures advanced safety measures are thoroughly enhanced, optimizing operational security and reliability like never before. Experience superior safety and seamless operations with its unparalleled design.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, meeting all hydraulic requirements effortlessly. With the /NF configuration, experience systems that excel without a pressure limiting valve, meticulously crafted for HLPSV, providing unmatched pressure control 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 masterclass in engineering design, expertly crafted to suit every application, ensuring you receive a product perfectly tailored to your specific requirements.
(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, masterfully engineered for smooth and flawless integration.
(9)Directional valve block inflow controller options: Choose from an impressive array 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 offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requisites.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme 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 precisely measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your 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 functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Unleash remarkable versatility with our expertly engineered port size options, tailored to perfection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each meticulously crafted choice ensures seamless adaptability and flawless integration, empowering diverse systems with unparalleled precision.
(16) End plate options: Discover our meticulously crafted end plate solutions, designed to cater to your every need: E1, the standard bearer, offers an external discharge of pilot oil along with an external oil return control port T; E2 mirrors E1's capabilities while adding the versatility of an extra port Y; E3 takes it a step further, featuring a 2-position 3-way magnetic ball valve, elevating system pressure to the pinnacle of safety valve levels upon activation.
E4, crafted with the ingenuity akin to E1, seamlessly integrates an internal discharge of pilot oil coupled with a sealed port T, offering a refined solution; E5 mirrors E2's features, enhancing them with internal discharge for optimal performance; E6 embodies the sophistication of E3, ensuring every variant boasts advanced discharge control.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, like the G12-12VDC, specifically crafted to meet safety standards and cater to the most demanding applications with precision and reliability.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 emerged as a shining beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our unmatched expertise spans meticulous research, cutting-edge development, precision manufacturing, and strategic sales of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise, our unwavering dedication to technological advancement and superior quality is clearly reinforced. This relentless dedication positions us as unequivocal leaders in our domain, paving the way for transformative advancements in hydraulic technology.
Our flagship product, the enhanced Safety Atex Valve, stands as the epitome of advanced hydraulic system control. Masterfully 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 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 are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence on the world stage.
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.
){kind=link}