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, 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 - This state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50) stands as a marvel of modern engineering. Equipped with a specifically defined pressure value, it is meticulously designed to ensure that advanced safety measures are not only met but thoroughly enhanced. This innovation in engineering optimizes operational security and reliability like never before, offering unbeatable peace of mind for any application.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with this tool adjustable marvel, offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, you can experience systems without a pressure limiting valve, expertly crafted for HLPSV to deliver unparalleled pressure control across a diverse array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly conceived and crafted to suit every application. This ensures that you receive a product perfectly aligned with your specific needs and requirements, highlighting our dedication to innovation and quality.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; With the inclusion of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, every element is masterfully engineered to ensure smooth and flawless integration into your system.
(9)Directional valve block inflow controller options: Delve into a superior selection of controller options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered to offer precision, exceptional efficiency, and matchless performance.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requisites, ensuring your system operates with peak effectiveness and reliability.
(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 is crafted for supreme performance and dependability, ensuring that your system functions optimally under any condition.
(12) Secondary pressure limitation options: Select from a range of options: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all precisely measured in bar to ensure uncompromising system safety and protection.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with an array of options: 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 with precision for superior control and functionality.
(14) Operation modes: Choose from a plethora of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, ensuring your system's operational excellence.
(15) Ancillary block port sizes: Discover the ultimate in versatility with our expertly crafted options, designed to meet your every need. Choose from /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each one engineered for seamless adaptability and perfect integration into a wide range of systems, ensuring flawless performance every time.
(16) End plate options: Delve into our array of meticulously designed end plate solutions crafted for precision and reliability. The E1 model is your go-to standard, featuring an external discharge of pilot oil and an external oil return control port T. E2 offers similar features to E1 but goes a step further with an additional port Y for enhanced versatility. For ultimate sophistication, the E3 model includes a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, ensuring superior operational safety.
E4, a design masterpiece akin to E1, incorporates an innovative internal discharge of pilot oil alongside a sealed port T for optimal efficiency. E5 mirrors E2's enhancements, offering internal discharge for peak performance. Meanwhile, E6 epitomizes advanced engineering with its reflection of E3's sophisticated design, providing unparalleled discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range of options, including the G12-12VDC, engineered for utmost safety and exceptional performance in even the most challenging applications, ensuring your systems remain secure and efficient.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 luminary of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly embrace our status as a national high-tech enterprise. Our expertise in the precise research, development, manufacturing, and sales of premium hydraulic components is unparalleled. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological progression and superior quality. This unwavering dedication emphatically positions us at the forefront of our industry.
Our flagship product, the advanced Safety Atex Valve, represents the pinnacle of cutting-edge hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this adaptable component is vital for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a pivotal role in 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'-we remain unyielding in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted provider of premier hydraulic components, setting new benchmarks of excellence across the globe.
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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