Introducing our extraordinary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic innovation. These cutting-edge systems seamlessly blend pressure, flow, and directional control into a singular, harmonious masterpiece, ensuring unmatched performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are crafted with meticulous precision for integration into high-end hydraulic systems, indispensably supporting 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, offering unparalleled versatility and performance across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, 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 the 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 unwavering reliability, this pump ensures consistent and steadfast performance, thereby facilitating smooth, efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump offers exceptional flexibility, making it ideal for accommodating a vast array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly integrates with reliability, constructing a dependable operational framework::
2-G3/8; Expertly designed for compact efficiency, facilitating streamlined and seamless operational workflows.
3-G1/2; Crafted for durability and dependability, providing a robust foundation for the integrity of your system.;
4-G3/4; Incorporating advanced connectivity, this port offers superior control and enhanced system integration.;
5, 55-G1; Featuring superior flow rates, this port is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, this port is expertly engineered to excel in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary levels::
C,Standard Type - A reliable and trusted foundation, carefully crafted to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, engages pump pressurization when powered, and allows unloading when unpowered; D - Normally closed magnetic ball valve, facilitates unloading when powered, and pressurizes when unpowered;D/F - Experience the pinnacle of precision with our state-of-the-art, pressure limiting valve for secondary pressure (F50). This marvel of engineering is meticulously designed to set a specifically defined pressure value, enhancing advanced safety measures to unprecedented levels. Optimize operational security and reliability with this advanced innovation, ensuring safety like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. Experience systems without a pressure limiting valve with the /NF configuration, meticulously crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Quintessence of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece in design, expertly crafted to suit every application, ensuring you receive a product that perfectly aligns with your specific needs.
(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, engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of 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 offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive 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 engineered 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 uncompromised system safety.
(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 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 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the ultimate in versatility with our superbly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is precisely crafted to ensure seamless adaptability and impeccable integration into a wide array of systems, setting a new standard in flexibility.
(16) End plate options: Delve into our exquisitely designed end plate solutions: E1, your go-to standard, provides an external discharge of pilot oil along with an external oil return control port T. E2 mirrors E1 but enhances flexibility with an additional port Y; E3 introduces a 2-position 3-way magnetic ball valve, optimizing system pressure to safety valve levels upon activation.
E4, crafted similarly to E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5 replicates E2's features, offering internal discharge for premier performance; E6 embodies the sophisticated design of E3, guaranteeing superior discharge control across all variations.
(17) Control voltage and anti-explosion cable options: Choose from our reliable and perfectly compatible range, such as G12-12VDC, engineered for peak safety and optimal performance in even the most challenging 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 been a beacon of innovation and excellence in the 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 upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial 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 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 rise as a globally trusted supplier of premier hydraulic components, setting new standards 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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