Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels embody the pinnacle of hydraulic innovation, seamlessly blending pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability across diverse applications. Crafted with precision, these valves consist of three essential modules - connecting blocks, directional valves, and end plates. They are meticulously designed for seamless integration into high-end hydraulic systems, pivotal for top-tier engineering machinery. These valves govern the movement direction and speed of hydraulic cylinders, motors, and other actuators with unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility in any application.
The expertly tailored HLPSL valves are ideal 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 these may exhibit a slightly slower response time, they are unparalleled in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an exquisite balance 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, designed to deliver steadfast performance with precision and consistency, ensuring your system's smooth and efficient operation every time.;
HLPSV: Variable Displacement Pump - A masterpiece of adaptability and versatility, engineered to provide exceptional flexibility that caters to an extensive range of operational needs with remarkable efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting an operational framework you can trust::
2-G3/8; Specifically crafted for compact proficiency, designed to maintain streamlined and seamless operational flows with utmost efficiency.
3-G1/2; Built for unmatched robustness and reliability, providing a steadfast base that upholds the integrity of your entire system.;
4-G3/4; Featuring advanced connectivity options, offering superior control and enhanced integration for optimal system performance.;
5, 55-G1; Designed to facilitate superior flow rates, perfectly suited for high-demand applications ensuring consistent and reliable performance at all times.;
6-G1 1/4; Delivering unmatched performance, expertly engineered to thrive in demanding environments and meet challenges effortlessly.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet the essential operational requirements with grace.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency and dynamics of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, ensuring unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly meet your specific operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control like never before:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, expertly unloading it when unpowered; D - Normally closed magnetic ball valve, efficiently unloading the pump when powered, reliably pressurizing it when unpowered;D/F - Presenting a remarkable feat of engineering: our precision-crafted pressure limiting valve for secondary pressure (F50) showcases a specifically defined pressure value. This cutting-edge innovation is built to elevate advanced safety protocols, dramatically enhancing operational security and reliability. Experience optimization like never before with this marvel of technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision! Featuring adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes adaptability, effortlessly meeting diverse hydraulic requirements. The /NF configuration offers systems devoid of a pressure limiting valve, meticulously designed for HLPSV, providing unmatched pressure control across a spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, expertly conceptualized to cater to every application, ensuring you receive a product perfectly tailored to your specific needs and requirements.
(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, sophisticatedly engineered for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, bespoke for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each designed for precision and exceptional efficiency.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requisites.
(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 designed for supreme performance and dependability.
(12) Secondary pressure limitation options: Choose 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 setup with options like: 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: Select from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility through our expertly crafted options. Whether you choose /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each selection guarantees seamless adaptability, ensuring flawless integration into a wide array of systems.
(16) End plate options: Delve into our meticulously engineered end plate selections. Choose E1 for a standard external pilot oil discharge and external oil return control port T. E2 mirrors E1 but adds an extra port Y for enhanced flexibility. Opt for E3, equipped with a 2-position 3-way magnetic ball valve, ready to elevate system pressure to safety valve standards upon activation.
E4 is ingeniously designed like E1, featuring an internal pilot oil discharge with a sealed port T. E5 replicates E2's features but offers internal discharge for superior performance. E6 mirrors the sophisticated design of E3, providing advanced discharge control in every variant.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range, including G12-12VDC, tailored for safety and specialization in the most challenging environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a shining beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unrivaled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality. This relentless commitment clearly establishes us as leaders in our domain, continually pushing the boundaries of excellence.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the pinnacle of advanced hydraulic system control. Masterfully engineered for 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 numerous 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 are 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 benchmarks 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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