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 foundational pillar of dependability, this pump ensures unwavering and consistent performance across all your system operations, delivering reliability that translates into smooth and efficient processes.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and innovation, this versatile pump adapts effortlessly to a wide spectrum of operational demands, providing the agility needed to meet diverse requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability, establishing a trustworthy operational platform::
2-G3/8; Meticulously crafted for compact efficiency, this port is designed to support smooth, streamlined operational flows, ensuring optimal performance.
3-G1/2; Robustly engineered for reliability, this port offers a solid foundation ensuring the integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, this port delivers enhanced system integration and superior control.;
5, 55-G1; Designed for exceptional flow rates, this port is perfect for high-demand applications, providing consistent and reliable performance.;
6-G1 1/4; With unmatched performance capabilities, this expertly designed port excels in challenging environments, tackling demands effortlessly with superior results.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights::
C,Standard Type - A cornerstone of dependability, this component is precisely engineered to fulfill essential operational needs with assured reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Amplifies flow management, delivering exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions that address your unique operational needs seamlessly and effectively.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump upon power, releasing it when power is off; D - Normally closed magnetic ball valve, releasing the pump upon power, activating it when power is off;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, articulately crafted for secondary pressure (F50). This state-of-the-art component embodies cutting-edge safety protocols, dramatically enhancing the operational security and reliability you demand.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience exceptional adaptability and precision with adjustable pressure settings spanning 63 to 400 bar. This component epitomizes flexibility, perfectly accommodating diverse hydraulic needs. For seamless configurations, /NF indicates no pressure limiting valve, finely attuned for HLPSV, ensuring flawless pressure management across a multitude of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, meticulously crafted to meet a wide spectrum of applications, offering you a product perfectly aligned 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, precisely engineered for seamless integration and exceptional performance.
(9)Directional valve block inflow controller options: Opt from a variety of innovative options: 1, without inflow controller; 2, standard inflow controller; 4, 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 for precision and outstanding efficiency.
(10) Valve core function symbols: Discover a versatile selection of core functions: L, M, F, H, J, B, R, O, N, each intricately engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Amplify efficiency with peak output flow capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, thoughtfully designed to deliver exceptional performance and dependability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring unrivaled system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 option precisely crafted for optimal control and functionality.
(14) Operation modes: Choose from a comprehensive range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated electric switching value control and manual operation; M, manual friction positioning with a 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, all meticulously designed for extensive and precise control.
(15) Ancillary block port sizes: Immerse yourself in the precision of our meticulously designed options, crafted for flawless adaptability and seamless integration. Choose from our array of expertly engineered choices: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option embodies the pinnacle of flexibility, ensuring a perfect fit for your specific needs.
(16) End plate options: Dive into our distinguished collection of finely tailored end plate solutions. E1 offers the standard choice with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1, yet is further enhanced with an additional port Y. Experience the groundbreaking E3, showcasing a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve standards when powered, ensuring unparalleled performance.
E4, mirroring E1 in design, distinguishes itself by incorporating an internal discharge for pilot oil with a sealed port T. E5 echoes the capabilities of E2, complemented by an internal discharge feature. Unveil the elegance of E6, embodying the advanced design of E3, with each variant offering superior discharge control for peak system performance.
(17) Control voltage and anti-explosion cable options: Safeguard your system's integrity and trustworthiness with our diverse range of specialized solutions. Select from G12-12VDC, ideal for specialized applications that require unwavering safety and seamless compatibility.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field, constantly pushing the boundaries of hydraulic technology.
Our enhanced Safety Atex Valve, the flagship product, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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, playing a pivotal role in localizing 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 are resolute 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 on the international stage, championing innovation and reliability.
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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