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 - The keystone of unwavering reliability, ensuring that your system operates with unmatched steadiness and efficiency.;
HLPSV: Variable Displacement Pump - A model of adaptability, offering exceptional versatility to meet a diverse array of operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, creating a dependable operational foundation::
2-G3/8; Expertly crafted for compact efficiency, facilitating streamlined and seamless operations.
3-G1/2; Built for strength and reliability, forming a robust backbone for your system's enduring integrity.;
4-G3/4; Equipped with advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; Designed for superior flow capability, perfect for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Offers unparalleled performance, expertly engineered to excel in challenging environments and effortlessly overcome obstacles.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights of excellence::
C,Standard Type - A steadfast and trusted foundation, meticulously designed to meet essential operational demands with confidence.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, optimizing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Enhances flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosts 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 - Presenting our state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with a specifically defined pressure value. This marvel of engineering is expertly designed to elevate safety measures to unprecedented levels, optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility and precision through adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the symbol of adaptability, seamlessly meeting every hydraulic requirement. Experience the /NF configuration, which provides systems without a pressure limiting valve, expertly crafted for HLPSV, delivering exceptional pressure control across diverse applications.
(7) Product Series Classification - Embodying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, meticulously conceived to cater to every application, ensuring you receive a product that is perfectly aligned 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, masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a diverse array of options: 1, a configuration without an inflow controller; 2, the standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, an enhanced inflow controller; 8, pre-selectable options, each delivering precision and superior efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with precision.
(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 dependability in your operations.
(12) Secondary pressure limitation options: Choose from: N, offering no pressure limiting protection; C, providing concurrent pressure limitation of actuator ports A & B; A---B---, offering 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: Tailor your operational experience with options such as: N, without function ON/OFF or pressure outlet; X, the C type pressure limitation; S/S1, the 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: Select from a variety of operation modes: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), a combination of electric proportional control and 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 a 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our expertly engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Engineered to excel, each option delivers seamless adaptability and impeccable integration, perfect for a myriad of demanding systems.
(16) End plate options: Dive into our meticulously curated range of end plate solutions: E1, your reliable standard, ensures an external discharge of pilot oil and controls with an external oil return port T; E2, akin to E1, is enhanced with an additional port Y, offering extra flexibility; E3, stands out with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve thresholds upon activation, ensuring superior performance.
E4, crafted in the likeness of E1, ingeniously integrates an internal discharge of pilot oil combined with a sealed port T; E5, replicating E2's exceptional features, boasts an internal discharge for enhanced efficiency; E6, mirroring the sophisticated E3 design, ensures superior discharge control across every variant, establishing a new benchmark in system reliability.
(17) Control voltage and anti-explosion cable options: Choose from our robust, secure, and compatible selection, including G12-12VDC, meticulously crafted for safety and specialization in the most challenging and 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. Proudly standing as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we embody the essence of a national high-tech enterprise. Steadfast in our commitment to innovation, our expertise spans the meticulous research, development, manufacturing, and sales of premium hydraulic components, setting us apart in the industry. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of technological advancement and superior quality. This relentless dedication distinguishes us as pioneers in our field, leading the way with cutting-edge solutions and unmatched expertise.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. This masterfully crafted component is designed for the most demanding environments, playing a vital role in high-stakes applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with a multitude of leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - drives our unwavering commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, establishing new benchmarks of excellence across the world.
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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