Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations truly represent the zenith 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 elite hydraulic systems, indispensable 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, guaranteeing steadfast and reliable operation in every setting. In contrast, the HLPSV valves are masterfully engineered for variable pump systems, where they truly excel. While HLPSV valves may exhibit a slightly slower response time, they compensate by delivering exceptional energy-saving performance, establishing them as 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal 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 - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
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 - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing 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 - Introducing our cutting-edge precision-engineered pressure limiting valve specifically designed for secondary pressure (F50) applications. This marvel of modern engineering is equipped with a meticulously defined pressure value, ensuring an unprecedented enhancement of advanced safety measures. By optimizing operational security and reliability, this state-of-the-art valve redefines robustness and dependability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, explore systems without a pressure limiting valve, engineered meticulously for HLPSV, delivering unmatched pressure control across diverse applications with impeccable precision.
(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 innovation, expertly crafted to suit every conceivable application. Ensure that you receive a product perfectly aligned with your specific requirements, a true testament to our commitment to excellence.
(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 crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a diverse selection: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unparalleled precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive assortment of core function symbols: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional requisites with utmost precision.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously engineered for supreme performance and dependable 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 and reliability.
(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 enhanced functionality.
(14) Operation modes: Choose from a range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), a blend of 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, all crafted for comprehensive and precise control to meet every demand.
(15) Ancillary block port sizes: Discover remarkable versatility with our precision-engineered solutions. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is exquisitely designed for seamless adaptability and perfect integration across a wide array of systems.
(16) End plate options: Delve into our thoughtfully crafted end plate selections. E1, the standard option, provides an external discharge of pilot oil and an external oil return control port T. E2 elevates flexibility with an added port Y, while E3 transforms functionality with a 2-position 3-way magnetic ball valve, enhancing system pressure to safety valve standards upon activation.
E4, similar to E1, masterfully incorporates an internal discharge of pilot oil with a sealed port T for optimal performance. E5 shares the exceptional features of E2, with enhanced internal discharge capabilities. E6 mirrors the advanced design of E3, ensuring superior discharge control in all configurations.
(17) Control voltage and anti-explosion cable options: Choose from our robust and reliable selection, including G12-12VDC, engineered for the utmost safety and precision in the most challenging environments.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 stood as a 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 identity as a distinguished national high-tech enterprise. Our unmatched expertise spans the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality. This relentless dedication unmistakably positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Masterfully crafted for use in construction machinery and heavy-duty equipment, this versatile 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 partnerships with leading domestic manufacturers, significantly contributing 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 remain unwavering 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 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.
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