Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the apex of hydraulic innovation, artfully blending pressure, flow, and directional control into one seamless, harmonious masterpiece. This ensures unrivaled performance and reliability across a multitude of applications. Expertly crafted from three pivotal functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration into premium hydraulic systems, indispensable for top-tier engineering machinery. They precisely control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Additionally, they empower multiple actuators to function simultaneously under varying loads, offering unmatched performance and adaptability for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every context. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may demonstrate a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering a perfect harmony 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 cornerstone of unwavering reliability, this pump assures consistent and steadfast performance, guaranteeing your system operates smoothly and efficiently at all times.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers remarkable flexibility, catering to a diverse range of operational requirements with unparalleled ease.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly merges with reliability, forming a dependable operational framework::
2-G3/8; Skillfully crafted for compact efficiency, these ports ensure streamlined, seamless operational flows, enhancing overall system performance.
3-G1/2; Designed for unmatched robustness and reliability, providing a solid and secure foundation for the integrity of your system.;
4-G3/4; Featuring advanced connectivity, these ports offer superior control and integration, elevating your system's capabilities.;
5, 55-G1; With superior flow rates, these ports are perfect for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding conditions, handling challenges with effortless expertise.;
(3) Additional Components and Specifications - Taking system capabilities to new, unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency and efficacy of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unmatched performance and dependability.;
(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); Providing bespoke solutions to meet your specific operational demands seamlessly and effectively.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and activating it when unpowered;D/F - Step into the future of hydraulic control with our state-of-the-art precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This marvel of modern engineering not only boasts a precisely defined pressure value but also sets a new benchmark for enhanced safety measures. Experience unparalleled operational security and reliability, finely optimized to meet the demands of today's advanced systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a symbol of adaptability, seamlessly meeting every hydraulic requirement. Opt for the /NF configuration to experience a system without a pressure limiting valve, meticulously engineered for HLPSV, ensuring unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to exceptional design, expertly crafted to cater to every application, ensuring you receive a product that is perfectly aligned with your specific requirements, surpassing expectations in both form and function.
(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, expertly engineered to ensure seamless and flawless integration, elevating your system's performance to new heights.
(9)Directional valve block inflow controller options: Choose from a sophisticated array of inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, 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 offering unparalleled precision and exceptional efficiency, setting a new standard in hydraulic control.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional prerequisites with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with our diverse range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each finely tuned for superior performance and dependability, ensuring your system operates at its highest potential.
(12) Secondary pressure limitation options: Opt for: 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, providing uncompromising system safety and enhanced control.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic 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 designed for precise control and unparalleled functionality.
(14) Operation modes: Select from a versatile array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a sophisticated 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, each crafted for comprehensive and precise control, elevating your system's capabilities to new levels.
(15) Ancillary block port sizes: Discover unparalleled versatility with our expertly engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration into a wide array of systems, providing you with unmatched performance and reliability.
(16) End plate options: Explore our meticulously curated end plate solutions: E1, your standard choice, offers an innovative external discharge of pilot oil and an external oil return control port T; E2 retains the features of E1 but adds an additional port Y for expanded flexibility; E3 is equipped with a 2-position 3-way magnetic ball valve, ingeniously elevating system pressure to safety valve levels upon activation.
E4, ingeniously designed akin to E1, integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency; E5 mirrors the innovative features of E2, ensuring internal discharge for optimal system performance; E6 reflects the sophisticated and advanced design of E3, providing exceptional discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and highly compatible range, such as G12-12VDC, designed with precision for safety and specialization in even the most 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 carved a distinguished path as a luminary in the hydraulic industry, renowned for our unwavering spirit of innovation and excellence. As a prestigious subsidiary under the illustrious China Baoan Group (stock code: 000009), we stand proudly as a national high-tech enterprise. Our prowess in the meticulous research, development, manufacturing, and sales of top-tier hydraulic components is simply peerless. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we unwaveringly commit to technological advancement and superior quality. This relentless pursuit of excellence firmly establishes us as vanguards of our industry.
Our flagship product, the enhanced Safety Atex Valve, stands as a testament to the pinnacle of hydraulic system control technology. Engineered with precision for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with an array of 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'-our commitment to delivering exceptional products, services, and solutions is unwavering. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting unparalleled standards of excellence on the world stage.
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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