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 reliability, this pump stands as a testament to unwavering performance, ensuring your system operates smoothly and efficiently at all times.;
HLPSV: Variable Displacement Pump - A paragon of adaptability, showcasing unmatched versatility. This pump offers unparalleled flexibility to meet a diverse array of operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Precision crafted for reliability, these specifications lay the foundation for a dependable and efficient operational framework::
2-G3/8; Built for compact excellence, this port is designed to support seamless operational flows with unrivaled proficiency.
3-G1/2; Robust and reliable, this port serves as a sturdy base, upholding the integrity of your system with enduring strength.;
4-G3/4; Embodying advanced connectivity, this port offers superior control and facilitates enhanced system integration.;
5, 55-G1; Delivering superior flow rates, this port is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Expertly designed for unmatched performance, this port excels in demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Taking your system's capabilities to new heights with unmatched innovation::
C,Standard Type - A steadfast and trusted foundation, meticulously crafted to meet key operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, substantially boosting your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering 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 precise solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and control with advanced technology:C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump when powered, disengages when unpowered; D - Normally closed magnetic ball valve, disengages the pump when powered, engages when unpowered;D/F - This state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50) is an extraordinary feat of engineering. It is specifically designed with a defined pressure value to guarantee that advanced safety measures are significantly enhanced. This results in optimized operational security and exceptional reliability, elevating your systems like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a beacon of adaptability, effortlessly meeting all hydraulic requirements. With the /NF configuration, explore systems without a pressure limiting valve, meticulously engineered for HLPSV, ensuring exceptional pressure control across a diverse range of 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 superior design, thoughtfully crafted to meet every application need, ensuring you receive a product perfectly tailored to 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, designed for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, custom-tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered to deliver precision and exceptional 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 needs and enhance performance.
(11) Output flow code for ports A & B: Achieve pinnacle efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for outstanding 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 unyielding system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 designed for precise control and enhanced functionality.
(14) Operation modes: Select from a vast range of operation modes: A(1,2), manual operation with 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), 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: Discover unparalleled versatility with our masterfully crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is designed to ensure seamless adaptability and perfect integration into a wide variety of systems, offering you the flexibility you need for superior performance.
(16) End plate options: Delve into our precision-engineered end plate solutions: E1, the standard choice, provides external pilot oil discharge and an external oil return control port T; E2 enhances E1 with an additional port Y, delivering added flexibility; E3 includes a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve standards upon activation, ensuring optimal performance.
E4, crafted similarly to E1, innovatively features an internal discharge of pilot oil with a sealed port T; E5 retains the excellence of E2 with an internal discharge for peak performance; E6 mirrors the sophisticated design of E3, guaranteeing advanced discharge control across all variants, setting a new standard in hydraulic equipment control.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including G12-12VDC, engineered with precision to ensure safety and performance 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 shone as a beacon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly showcased. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is truly unmatched. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless commitment clearly positions us as preeminent leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Masterfully crafted 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 collaborations with numerous leading domestic manufacturers, contributing significantly to the innovative 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 providing 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.
){kind=link}