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 cornerstone of reliability, this essential component guarantees unwavering and steady performance, ensuring your hydraulic system operates with impeccable smoothness and efficiency.;
HLPSV: Variable Displacement Pump - Embodying supreme adaptability and versatility, this pump offers phenomenal flexibility to effortlessly meet a vast array of operational challenges and needs.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, crafting a dependable operational framework::
2-G3/8; Expertly designed for compact efficiency, this connection supports streamlined and seamless operational flows.
3-G1/2; Built for strength and dependability, providing a robust foundation for maintaining your system's integrity.;
4-G3/4; Engineered for advanced connectivity, this option offers superior control and enhanced system integration.;
5, 55-G1; Designed for high-demand applications with excellent flow rates, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, this port is crafted to excel in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to extraordinary levels::
C,Standard Type - A trusted and reliable foundation, meticulously crafted to fulfill essential operational standards.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions to seamlessly cater to your unique operational demands.
(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, 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 - Introducing the state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50), a paradigm of engineering excellence. This valve is meticulously equipped with a specifically defined pressure value, ensuring that advanced safety measures are not just met but thoroughly enhanced. Experience a revolution in operational security and reliability, setting new benchmarks in hydraulic control.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic systems to the pinnacle of versatility and precision with our adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the embodiment of adaptability, seamlessly meeting every conceivable hydraulic requirement. With the /NF configuration, experience systems that operate without a pressure limiting valve, meticulously crafted for HLPSV, delivering exceptional pressure control across a diverse range of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design and engineering, expertly conceived to suit every application. Our product series ensures you receive a precision-crafted product that aligns perfectly 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, this system is masterfully engineered for smooth and flawless integration, ensuring unparalleled operational fluidity.
(9)Directional valve block inflow controller options: Discover a world of options with our inflow controllers: 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 is designed to offer 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 fulfill specific functional requisites with unmatched precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with our range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and dependability, ensuring your system operates at its best.
(12) Secondary pressure limitation options: Opt for uncompromising system safety with our secondary pressure limitation 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 meticulously measured in bar.
(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 is engineered for precise control and unparalleled functionality.
(14) Operation modes: Select from a comprehensive 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, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover an array of versatile, expertly crafted options designed to enhance your hydraulic systems. Select from our precision-engineered sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each one offers unparalleled adaptability and flawless integration, ensuring seamless operation across diverse applications.
(16) End plate options: Delve into our meticulously crafted end plate solutions that elevate performance and flexibility. E1, your standard option, provides an external discharge of pilot oil and an external oil return control port T. E2 builds on E1's features, introducing an additional port Y to enhance system versatility. E3 stands out with its 2-position 3-way magnetic ball valve, which elevates the system's pressure to safety valve levels, ensuring peak operational safety when engaged.
E4, a design reminiscent of E1, integrates an internal discharge of pilot oil with a sealed port T, adding an innovative edge. E5 echoes the advanced features of E2, with its internal discharge optimizing performance. E6 mirrors the sophisticated design of E3, providing superior discharge control across all variants, setting new standards in hydraulic management.
(17) Control voltage and anti-explosion cable options: Choose from our secure, compatible range designed for precision and safety in demanding environments. Options such as G12-12VDC are tailored for specialized applications, ensuring reliable performance and unmatched security.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 emerged as a shining beacon of innovation and excellence within the hydraulic industry landscape. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unmatched expertise lies in the meticulous research, cutting-edge development, precision manufacturing, and comprehensive sales of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise further strengthens our unwavering commitment to technological advancement and superior quality. This relentless dedication distinctly positions us as trailblazing leaders in our domain, continuously setting benchmarks in the industry.
Our flagship marvel, 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. Firmly anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our commitment to delivering exceptional products, unparalleled services, and innovative solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the international 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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