ls75tmdd-high-quality-components-of-linghein-screw-air-compressor, ls75tmdd-high-quality-components-of-linghein-screw-air-compressor, /tank-mounted-compressor
EN
Feature Description
1
Atlas-copco air end
Stable and reliable
Atlas-copco Group more than 151 years experience in air-end research & development
Unique 4+6 asymmetry male rotor and female rotor design bring the Max. F.A.D & less leakage
Strict & precise manufacturing process and quality control
2
IP54 High efficiency motor, use SKF bearing. German air filter, oil filter and air/oil separator
Italian intake valve, each one pass the 2.5million action durable testing
Stable electronic control system
Intelligent PLC controller
3
Sealed base design, avoid dust are sucked
Reinforced steel cabinet
Pre-filtration system, prolong the service life of compressor components
4
Humanization design, easy for maintenance
5
Divide cool and hot area, better cooling effect
Low noise and low vibration





GASFlow presents the LS7.5TM+DD High Quality Components of Linghein screw air compressor, a pinnacle solution for modern compressed air needs. This product description outlines the features, applications, innovations, and technical advantages that make the LS7.5TM+DD an essential choice for businesses seeking a reliable, efficient, and durable Linghein screw air compressor for industrial air system upgrade projects and ongoing operations
Overview and Core Features
The LS7.5TM+DD is a Linghein screw air compressor engineered with precision high-quality components to deliver consistent performance. As a high-efficiency rotary compressor platform, the unit integrates a robust screw element, advanced direct-drive transmission, and optimized control electronics to ensure continuous operation with minimal downtime. The design emphasizes serviceability and long-term reliability, positioning the LS7.5TM+DD as a leading option in the category of Linghein screw air compressor products for companies prioritizing energy-saving compressor technology and effective industrial air system upgrade initiatives
High-Efficiency Rotary Compressor Design
At the heart of the LS7.5TM+DD is the Linghein screw air compressor core, built to maximize volumetric efficiency and minimize internal leakage. The screw profiles are ground and matched to tight tolerances, reducing friction and improving thermodynamic performance. As a high-efficiency rotary compressor, the LS7.5TM+DD maintains stable pressure delivery across load conditions, enabling downstream processes to operate with precision. This consistent performance translates into lower overall energy consumption, fulfilling the promise of energy-saving compressor technology and facilitating cost-effective industrial air system upgrade plans
Direct-Drive Dynamics and Component Quality
The LS7.5TM+DD's direct-drive design eliminates belts and pulleys, reducing mechanical losses and maintenance intervals compared to traditional transmission systems. This direct-drive arrangement improves mechanical efficiency and aligns with the unit’s role as a high-efficiency rotary compressor. All powertrain components are specified for heavy-duty cycles, including precision bearings, high-grade couplings, and vibration-damped mounts, enhancing the Linghein screw air compressor’s operational stability. The use of high-quality components reduces wear and extends mean time between failures, making the LS7.5TM+DD a durable option for industrial air system upgrade projects
Energy-Saving Compressor Technology
GASFlow equips the LS7.5TM+DD with multiple energy-saving compressor technology features. The compressor’s adaptive control system modulates motor output based on real-time demand, minimizing throttling losses and excess energy use. Variable speed drive options optimize motor rpm to closely match compressed air demands, a hallmark of modern energy-saving compressor technology. Additionally, the heat management system recovers waste heat for facility heating or process integration, further contributing to operational savings. Together, these elements ensure the Linghein screw air compressor is an integral component of any comprehensive industrial air system upgrade aimed at reducing energy consumption and carbon footprint
Control Intelligence and Connectivity
Advanced control electronics form an essential part of the LS7.5TM+DD package. The onboard control unit provides automated start/stop sequencing, fault diagnostics, and performance logging. Remote monitoring capabilities allow facilities to integrate the Linghein screw air compressor into plant-wide supervisory systems, enabling predictive maintenance and minimizing unscheduled downtime. The control suite supports energy-saving compressor technology by providing analytics on usage patterns and recommending optimized setpoints to reduce pressure fluctuations and energy waste
Application Versatility
The LS7.5TM+DD Linghein screw air compressor is suited to a wide spectrum of industrial settings. Manufacturing plants, food and beverage producers, chemical processors, automotive assembly lines, and textiles operations can rely on the unit’s steady air delivery and robust construction. When executing an industrial air system upgrade, engineers will find the LS7.5TM+DD’s combination of high-efficiency rotary compressor design and energy-saving compressor technology particularly valuable for meeting stricter efficiency targets and regulatory requirements. Its modular architecture also facilitates easy integration into existing air networks, making it an ideal candidate for phased upgrades and capacity expansions
Operational Advantages and Maintenance
Operational efficiency is bolstered by the Linghein screw air compressor’s design choices. The LS7.5TM+DD minimizes pressure drops through optimized intake and discharge geometries and reduces oil carryover through advanced separation stages. The machine’s service points are accessible, lowering the time required for routine inspections and consumable replacements. Predictive maintenance enabled by control-data logging allows facilities to schedule interventions when they are most cost-effective and least disruptive. These factors collectively contribute to lower total cost of ownership for the Linghein screw air compressor over its service life
Reliability and Durability
Reliability stems from component selection and system integration. All major parts of the LS7.5TM+DD are rated for continuous industrial duty, and the assembly process adheres to stringent quality controls. Enclosures and cooling pathways are designed to handle high ambient temperatures, ensuring the Linghein screw air compressor remains resilient in demanding environments. Corrosion-resistant materials and protective coatings are applied where necessary to extend lifespan, especially in harsh or coastal installations. This emphasis on durability supports long-term operational continuity and reduces lifecycle replacement costs
Safety and Environmental Considerations
The LS7.5TM+DD includes multiple safety interlocks and compliant protective features to meet international standards. Overpressure protections, thermal cutouts, and fail-safe shutoffs protect both operators and downstream equipment. From an environmental perspective, the energy-saving compressor technology embedded in the Linghein screw air compressor reduces electrical consumption and associated emissions. The machine’s efficient oil separation and controlled condensate handling ensure compliance with environmental discharge requirements
Customization and Support
GASFlow offers configuration options for the LS7.5TM+DD to meet specific plant needs. Choices include variable speed drives, heat recovery packages, upgraded filtration systems, and alternative electrical configurations. Comprehensive after-sales support, including commissioning assistance, maintenance training, and spare parts provisioning, ensures that customers fully realize the benefits of their Linghein screw air compressor investment. These services are designed to ease industrial air system upgrade projects and maximize uptime
Innovation Highlights
The LS7.5TM+DD integrates incremental innovations that collectively elevate performance. Precision-machined screw elements, an efficient direct-drive train, and a sophisticated control platform form a synergistic system that drives the Linghein screw air compressor’s high performance. Energy-saving compressor technology features, such as active load-matching and heat recovery, offer measurable reductions in operating cost. These innovations make the LS7.5TM+DD a forward-looking choice for businesses intent on modernizing compressed air infrastructure
Technical Parameters (4kw -18.5kw,4IN1 Fixed Speed, Belt Drive)
| Model | Max WorkingPressure | F.A.D | Moto Power | Transmission | Connection | NetWeight | Dimension(L*W*H) | ||
| bar | psig | m3/min | hp | kw | -- | Air | kgs | mm | |
| LS4N TMDD-8 | 8.5 | 123 | 0.58 | 6 | 4 | Belt | G3/4" | 316 | 1577x772x1491 |
| LS4N TMDD-10 | 10.5 | 152 | 0.51 | ||||||
| LS5.5N TMDD-8 | 8.5 | 123 | 0.82 | 7.5 | 5.5 | Belt | G3/4" | 330 | 1577x772x1491 |
| LS5.5N TMDD-10 | 10.5 | 152 | 0.68 | ||||||
| LS7.5N TMDD-8 | 8.5 | 123 | 1.13 | 10 | 7.5 | Belt | G3/4" | 368 | 1577x772x1558 |
| LS7.5N TMDD-10 | 10.5 | 152 | 0.90 | ||||||
| LS11 TMDD-7 | 7.5 | 108 | 1.79 | 15 | 11 | Belt | G1" | 430 | 1577x820x1784 |
| LS11 TMDD-8 | 8.5 | 123 | 1.78 | ||||||
| LS11 TMDD-10 | 10.5 | 152 | 1.36 | ||||||
| LS11 TMDD-13 | 13 | 188 | 1.22 | ||||||
| LS15 TMDD-7 | 7.5 | 108 | 2.30 | 20 | 15 | Belt | G1" | 541 | 1577x820x1784 |
| LS15 TMDD-8 | 8.5 | 123 | 2.30 | ||||||
| LS15 TMDD-10 | 10.5 | 152 | 2.00 | ||||||
| LS15 TMDD-13 | 13 | 188 | 1.60 | ||||||
| LS18.5 TMDD-7 | 7.5 | 108 | 3.10 | 25 | 18.5 | Belt | G1" | 564 | 1577x820x1784 |
| LS18.5 TMDD-8 | 8.5 | 123 | 3.00 | ||||||
| LS18.5 TMDD-10 | 10.5 | 152 | 2.60 | ||||||
| LS18.5 TMDD-13 | 13 | 188 | 2.10 | ||||||
·According to standard ISO1217 appendix C Gb3853
· Compressor Stage: Single stage
· Cooling method: Air cooled
· Standard power supply: 380v/50hz/3ph
· Exhaust temperature: Ambient temperature +15℃
· Start-up:direct start or Y-Δ start
· Please contact us for any specification that is not within the above mentions standard
· TM: With 270L Air Tank TMDD: With 270L Air Tank & Air Dryer & 2pcs Line air filters.
Linghein provides a comprehensive range of compressed air solutions, including screw air compressors, air dryers, filtration systems, piping solutions, and energy recovery systems. Backed by Atlas Copco expertise, our products are designed to deliver reliable performance, energy efficiency, and flexible configurations for diverse industrial applications worldwide.
Whether operating in manufacturing plants, textile workshops, mining sites, food processing facilities, or precision production environments, Linghein solutions are designed to adapt to varying airflow demands, operating conditions, and environmental challenges. From continuous heavy-duty production to clean air applications, we support stable and efficient industrial operation worldwide.