Introducing the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to cutting-edge hydraulic engineering! These state-of-the-art valves epitomize the future of hydraulic systems by seamlessly integrating pressure, flow, and directional control into a unified and harmonious design. Experience unrivaled performance and reliability across all applications with this groundbreaking innovation. Each valve is meticulously assembled from three critical functional modules: connecting blocks, directional valves, and end plates, ensuring flawless integration into high-end hydraulic systems essential for premier engineering machinery. These valves offer precise control over the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision. Key attributes include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they facilitate simultaneous operation of multiple actuators under varying loads, delivering unparalleled performance and versatility across a wide array of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, providing steadfast and consistent operation in diverse conditions. Meanwhile, the HLPSV valves are crafted with precision for variable pump systems. Despite a slightly slower response time, HLPSV valves excel in energy-saving performance, making them the ideal choice for scenarios where efficiency is crucial. Through their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the ultimate 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 - The cornerstone of reliability, delivering unwavering, consistent performance to ensure your system operates with utmost smoothness and efficiency.;
HLPSV: Variable Displacement Pump - A model of flexibility and adaptability, providing exceptional versatility to satisfy a wide array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, crafting an operational framework you can trust::
2-G3/8; Expertly crafted for compact proficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Engineered with robustness and reliability, providing a steadfast foundation for the integrity of your system.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, perfectly suited for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Pushing system capabilities to unparalleled heights::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly boosting your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailoring pressure control solutions to a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions to seamlessly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when not powered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing it when not powered;D/F - Discover the groundbreaking precision of our pressure limiting valve for secondary pressure (F50), expertly engineered with a precisely defined pressure value. This marvel of engineering elevates advanced safety measures to new heights, significantly optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with settings adjustable at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, flawlessly meeting every hydraulic need. With the /NF configuration, encounter systems engineered without a pressure limiting valve, precisely crafted for HLPSV, delivering unmatched pressure control across a spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, expertly tailored to meet every application, ensuring you receive a product that perfectly 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 supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, innovatively engineered for seamless integration.
(9)Directional valve block inflow controller options: Choose from a selection of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional demands.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered 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, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your setup 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 exacting control and functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with optional 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), a combination of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our ingeniously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is masterfully crafted for seamless adaptability and flawless integration into an array of diverse systems.
(16) End plate options: Dive into our meticulously designed end plate solutions: E1, your standard choice, provides external discharge of pilot oil and an external oil return control port T; E2 mirrors E1 but is enhanced with an additional port Y for added flexibility; E3 features a sophisticated 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels upon activation.
E4, thoughtfully designed akin to E1, ingeniously integrates an internal discharge of pilot oil with a sealed port T; E5 replicates the features of E2, offering internal discharge for optimal performance; E6 reflects the sophisticated design of E3, ensuring superior discharge control in every variant.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, including G12-12VDC, engineered for utmost safety and specialization in the most demanding 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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial 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, contributing significantly to 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 rise 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.
Audited Supplier 
){kind=link}