Introducing the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic innovation. These engineering marvels blend pressure, flow, and directional control into a single, seamless masterpiece, ensuring exceptional performance and reliability across all applications. Crafted with precision, these valves are typically comprised of three critical functional modules: connecting blocks, directional valves, and end plates, making them indispensable for high-end hydraulic systems in leading engineering machinery. They regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators with unmatched precision, delivering controlled and precise performance. Key features include a compact design, superior energy efficiency, and seamless stepless speed control. Moreover, they enable multiple actuators to function simultaneously under diverse loads, providing unrivaled performance and adaptability for various applications.
The HLPSL valves are expertly optimized for constant displacement pump systems, ensuring consistent and reliable performance in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel by offering extraordinary energy-saving capabilities, making them the ideal choice for applications prioritizing efficiency. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control tasks, combining precision, reliability, and unmatched 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, ensuring consistent and steadfast performance for smooth, efficient operations that uphold your system's seamless functionality.;
HLPSV: Variable Displacement Pump - A model of adaptability, this versatile pump provides incredible flexibility, adeptly accommodating a vast spectrum of operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, this design supports streamlined and seamless operational flows, upholding system integrity.
3-G1/2; Built for resilience and durability, this port provides a robust foundation that safeguards your system's reliability.;
4-G3/4; Offering cutting-edge connectivity, it ensures superior control and fosters enhanced system integration.;
5, 55-G1; Designed with superior flow rates, making it ideal for high-demand applications, consistently delivering reliable performance.;
6-G1 1/4; Providing unmatched performance, this specification is crafted to excel in demanding settings, tackling challenges effortlessly.;
(3) Additional Components and Specifications - Pushing system capabilities to exciting new heights::
C,Standard Type - A dependable foundation, thoughtfully designed to fulfill essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Assures precision control, profoundly enhancing your system's overall efficiency and operation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom solutions to seamlessly fulfill your 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, activating pump pressure when powered and unloading when unpowered; D - Normally closed magnetic ball valve, unloading pump when powered and pressurizing when unpowered;D/F - This state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50) is a marvel of modern engineering. It features a specifically defined pressure value, designed to enhance advanced safety measures thoroughly. This innovation optimizes operational security and reliability, elevating your system's performance to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision, with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component symbolizes adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, explore systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled 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 masterclass in design, expertly crafted to suit every application. This ensures you receive a product that is perfectly aligned with your specific requirements, combining unmatched reliability with exceptional performance.
(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, which is masterfully engineered for seamless and flawless integration in your hydraulic systems.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering exemplary precision and exceptional efficiency to meet your exact hydraulic needs.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requisites, ensuring unparalleled performance and flexibility.
(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 engineered for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Opt for your desired level of protection with options including: 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 experience with options 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 control and enhanced 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 harmonious 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 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, crafted for comprehensive and precise control, ensuring that every operational need is met with excellence.
(15) Ancillary block port sizes: Unlock a world of versatility with our expertly engineered configurations: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously designed to offer seamless adaptability and flawless integration across a wide array of systems.
(16) End plate options: Delve into our meticulously crafted end plate solutions: E1 stands as your standard choice, providing an external discharge of pilot oil and an external oil return control port T; E2, a counterpart to E1, is enhanced with an additional port Y to offer superior flexibility; E3, featuring a 2-position 3-way magnetic ball valve, elevates system pressure to the safety valve level upon activation, ensuring maximum efficiency.
E4, akin to E1 in its design, innovatively integrates an internal discharge of pilot oil while maintaining a sealed port T for superior functionality; E5, mirroring the attributes of E2, employs internal discharge for optimal performance; E6, reflecting the sophisticated architecture of E3, guarantees advanced discharge management in every variant.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible selections, like G12-12VDC, specifically engineered to ensure safety and superior performance even in the most demanding applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a shining example of innovation and excellence within the hydraulic industry. As a prominent subsidiary of the venerated China Baoan Group (stock code: 000009), our stature as a national high-tech enterprise is a testament to our commitment to excellence. Our unparalleled expertise in the intricate research, design, manufacturing, and distribution of superior hydraulic components is a hallmark of our brand. Being recognized as a 'specialized, refined, and innovative' national small giant enterprise further underscores our steadfast dedication to pioneering technological advancements and delivering unparalleled quality. This unwavering commitment distinctly elevates us as leaders in our field.
Our cornerstone product, the Enhanced Safety Atex Valve, epitomizes the pinnacle of sophisticated hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this adaptable component is vital in high-stakes environments such as emergency rescue missions, tunnel construction, mining operations, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, playing a pivotal role in the localization of essential hydraulic components for advanced mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to deliver outstanding products, services, and solutions. Our vision is to emerge as a globally trusted provider of premier hydraulic components, setting groundbreaking 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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