Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to our commitment to pioneering hydraulic excellence. These revolutionary engineering masterpieces epitomize the zenith of hydraulic innovation by seamlessly melding pressure, flow, and directional control into a singular, harmonious ensemble. This ensures remarkable performance and steadfast reliability across diverse applications. Typically composed of three pivotal functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for integration into elite hydraulic systems, indispensable for premium engineering machinery. They meticulously dictate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights feature a compact structure, superior energy efficiency, and the ability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering exceptional performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, guaranteeing steadfast and reliable operation in every environment. Contrastingly, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering extraordinary energy-saving performance, making them the quintessential choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control demands, offering a flawless fusion 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 precision-engineered pressure limiting valve for secondary pressure (F50) offers an unparalleled commitment to safety, elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of adaptability and unmatched precision with adjustable settings at 63 to 400 bar levels. This component exemplifies versatility, ensuring it meets all hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, meticulously designed for HLPSV, promising flawless pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to expert design, precisely crafted for every application, ensuring a seamless fit for 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, ingeniously engineered for flawless integration.
(9)Directional valve block inflow controller options: Select from a palette of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for optimal inlet and outlet management; 5, enhanced inflow controller; 8, pre-selectable options, each renowned for precision and unmatched efficiency.
(10) Valve core function symbols: Explore a full suite of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet distinct functional requirements.
(11) Output flow code for ports A & B: Elevate efficiency with peak output flows of: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for unmatched performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous actuator ports A & B limitation; A---B---, independent limitation for ports A & B, all precisely measured in bar, ensuring unyielding system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 superior functionality.
(14) Operation modes: Choose from versatile operation modes: A(1,2), manual operation with optional handle lengths; E, electric proportional control; EA(1,2), a combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), an amalgamation of 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: Choose from our versatile and adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is expertly engineered for effortless adaptability and seamless integration, ensuring optimized performance and reliability.
(16) End plate options: Discover our meticulously crafted end plate solutions: E1, the standard choice, featuring an external discharge of pilot oil along with an external oil return control port T; E2, closely resembling E1 yet enhanced with an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when powered, ensuring safety and performance.
E4, echoing the design of E1, integrates an innovative internal discharge of pilot oil with a sealed port T; E5 mirrors E2 with the added benefit of internal discharge; E6 reflects the advanced sophistication of E3, with each variant ensuring superior and advanced discharge control.
(17) Control voltage and anti-explosion cable options: Select from our range of secure and compatible options such as G12-12VDC, specifically tailored for safety and specialization in 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 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.
Our enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, is a testament to 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 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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