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 - This is the cornerstone of dependability, offering unwavering and consistent performance. It is designed to ensure the smoothest and most efficient operations across your entire hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, this component provides remarkable versatility to meet an array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, forming a robust and dependable operational framework::
2-G3/8; Expertly crafted for compact effectiveness, this port is designed to facilitate streamlined and smooth operational flows.
3-G1/2; Specifically engineered for strength and reliability, this port provides a strong foundation for the integrity of your system.;
4-G3/4; With advanced connectivity features, this port offers superior control and enhances system integration seamlessly.;
5, 55-G1; Featuring superior flow rates, this port is perfect for high-demand applications, ensuring consistent and reliable performance throughout its use.;
6-G1 1/4; Provides unparalleled performance, expertly crafted to excel in challenging environments, seamlessly overcoming obstacles.;
(3) Additional Components and Specifications - Transforming system capabilities to reach new, unprecedented heights::
C,Standard Type - This component offers a reliable, trusted foundation, meticulously designed to satisfy essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and unmatched reliability.;
(4) Pilot Oil Circuit Pressure Options - Curated pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option is crafted to seamlessly align with your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - A leap in efficiency and control optimization:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates the pump under power, and unloads when not powered; D - Normally closed magnetic ball valve, unloads the pump under power, and pressurizes when not powered; Tailored to enhance system efficiency and smooth control.D/F - Introducing our cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), featuring a specifically defined pressure setting. This engineering marvel is crafted to elevate advanced safety measures, ensuring operational security and reliability reach new heights. Experience unparalleled performance and innovation, designed to protect and optimize processes like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and finesse with adjustable settings that range from 63, 120, 210, 280, 315, 350, to 400 bar levels. This component stands for adaptability, seamlessly addressing every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, ensuring 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 showcase of masterful design, carefully developed to suit any application, guaranteeing a product that perfectly aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, superbly engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from an impressive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet tailored for N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and extraordinary 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 meet specific functional needs with precision and reliability.
(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 dependability.
(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 uncompromising system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 designed for precise control and exceptional functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the exceptional versatility of our expertly engineered port size options, including: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration into a broad range of systems, providing solutions that meet the most demanding requirements.
(16) End plate options: Delve into our meticulously crafted end plate solutions that cater to a wide array of needs. E1, the standard choice, offers an external discharge of pilot oil alongside an external oil return control port T. E2 expands on this with an additional port Y for enhanced flexibility, while E3 introduces a 2-position 3-way magnetic ball valve, elevating system pressure to the levels of a safety valve when activated, ensuring unparalleled operational safety.
E4, designed in line with E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T, optimizing functionality. E5 mirrors E2's features, enhancing performance with internal discharge capabilities. E6, reflecting the sophisticated design of E3, guarantees advanced discharge control, offering superior performance across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and highly compatible range of control voltages, such as G12-12VDC, engineered for safety and specialization in even the most demanding applications, ensuring top performance 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 illuminated the hydraulic industry with its pioneering spirit and dedication to excellence. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our unparalleled expertise covers the meticulous research, cutting-edge development, precision manufacturing, and strategic sales of the finest hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of technological innovation and superior quality. This unwavering commitment solidifies our position as leaders in our field.
Our flagship offering, the enhanced Safety Atex Valve, represents the pinnacle of sophisticated hydraulic system control. Expertly engineered for use in construction machinery and robust heavy-duty equipment, this essential component is vital for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, significantly advancing 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 unwavering in our mission to deliver exceptional products, outstanding services, and innovative solutions. Our vision is to become a globally trusted supplier of elite hydraulic components, setting unprecedented standards of excellence across the globe.
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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