Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the apex of hydraulic innovation, artfully melding pressure, flow, and directional control into a singular, seamless masterpiece. This ensures supreme performance and unwavering reliability in every application. Typically composed of three pivotal functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration into high-end hydraulic systems, essential for elite engineering machinery. They precisely command the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. In addition, they empower multiple actuators to operate concurrently under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering extraordinary 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 - A quintessential element of unyielding reliability, this pump delivers unwavering and consistent performance to ensure your system operates smoothly and efficiently at all times.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump offers exceptional flexibility to cater to an expansive spectrum of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, creating a steadfast operational framework::
2-G3/8; Designed for compact proficiency, ensuring streamlined and seamless operational flows with unmatched efficiency.
3-G1/2; Engineered with robustness and reliability, offering a solid foundation for maintaining your system's integrity.;
4-G3/4; Featuring advanced connectivity, this offers superior control and boosts system integration.;
5, 55-G1; With superior flow rates, it's ideal for high-demand scenarios, delivering consistently reliable performance.;
6-G1 1/4; Delivers unmatched performance, expertly crafted to excel even in the most demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Taking system capabilities to new heights of efficiency and innovation::
C,Standard Type - A reliable and trustworthy foundation, precisely engineered to meet core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control for an enhanced efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to seamlessly meet your specific operational demands with precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control with precision: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; Offering versatile solutions to enhance operational control and efficiency.D/F - Behold the pinnacle of engineering innovation with this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50), which boasts a specifically defined pressure value. This marvel of modern engineering is meticulously designed to enhance advanced safety measures, providing an unprecedented level of operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, effortlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, crafted with precision for HLPSV, ensuring unmatched pressure control across a wide spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, expertly crafted to suit every application, ensuring you receive a product perfectly aligned with your unique specifications.
(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, crafted for seamless and efficient integration.
(9)Directional valve block inflow controller options: Choose from a sophisticated selection: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and exceptional efficiency.
(10) Valve core function symbols: Explore a vast assortment of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed 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, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your 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 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 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Unlock the power of adaptability with our meticulously crafted options, designed to seamlessly integrate into a diverse array of systems. Choose from: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each selection ensures flawless performance and unparalleled versatility.
(16) End plate options: Discover our precision-engineered end plate solutions that cater to your every need. E1 offers a standard choice with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but adds a flexible port Y for enhanced utility. E3 features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated for ultimate protection.
E4 provides an innovative twist on E1 by integrating an internal discharge of pilot oil with a sealed port T. E5 echoes the functionalities of E2, offering an internal discharge for peak performance. E6 reflects the advanced discharge control of E3, ensuring sophisticated management across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure offerings, tailored for the most rigorous demands. G12-12VDC is crafted for safety, ensuring reliable operation in specialized 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 shining beacon of innovation and unmatched excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our standing as a national high-tech enterprise is a testament to our superior capabilities. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate our unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence firmly positions us as pioneers and leaders in our field.
Our flagship product, the Enhanced Safety Atex Valve, represents the pinnacle of cutting-edge hydraulic system control technology. Expertly crafted for construction machinery and heavy-duty equipment, this versatile and crucial component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, making significant strides in the localization of core hydraulic components for high-end mechanical equipment. Driven 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 innovative new 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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