For glass factories producing bottles, jars, beverage containers, and other hollow glass products, compressed air is an essential industrial utility. The right industrial air compressor system must match the pressure, airflow, air quality, and operating requirements of each production process. UMW AIR Core split-type rotary screw air compressors, covering 30\u2013110 kW, provide flexible configuration options for industrial compressed air systems. By matching the compressor with suitable air receivers, refrigerated dryers, and precision filters, glass manufacturers can build an air supply system according to their production requirements.<\/p>\n
Compressed air plays an important role throughout the glass container production process. Unlike applications where compressed air is used mainly for pneumatic tools, glass manufacturing relies on controlled air pressure and sufficient airflow to support the forming process itself.<\/p>\n
A typical glass bottle production line includes several major stages:<\/p>\n
During these processes, compressed air supports both product forming and equipment operation.<\/p>\n
Three factors are particularly important:<\/p>\n
Stable Pressure:<\/strong> Fluctuating air pressure can affect forming cycles, pneumatic actuator performance, and production consistency.<\/p>\n Sufficient Airflow:<\/strong> Multiple IS machine sections and pneumatic devices may operate simultaneously, creating significant and fluctuating air demand.<\/p>\n Controlled Air Quality:<\/strong> Moisture, oil aerosols, and solid particles can affect production equipment, pneumatic valves, and glass product quality.<\/p>\n For this reason, an industrial compressed air system should be designed around actual production conditions rather than compressor motor power alone.<\/p>\n The Individual Section (IS) machine is one of the most important pieces of equipment in glass container manufacturing.<\/p>\n It converts molten glass into bottles and jars through controlled forming operations. Compressed air supports several stages of this process, particularly pre-blowing, final blowing, and pneumatic machine control.<\/p>\n During initial forming, a gob of molten glass enters the blank mold. Air pressure helps shape the glass into a preliminary form known as a parison.<\/p>\n During final blowing, compressed air expands the parison inside the final mold to create the required bottle or container shape.<\/p>\n A reliable rotary screw air compressor system helps provide the compressed air required by these production operations.<\/p>\n Glass bottle blowing is one of the most important compressed air applications in hollow glass manufacturing.<\/p>\n The process generally includes two major stages:<\/p>\n Glass production references commonly describe a two-pressure compressed air arrangement:<\/p>\n These are industry reference values, not universal equipment specifications. Actual operating pressure depends on the IS machine design, production process, and equipment manufacturer’s requirements.<\/p>\n For glass factories, maintaining sufficient airflow during simultaneous forming cycles is just as important as maintaining the correct pressure.<\/p>\n Modern glass container production lines use pneumatic components to coordinate equipment movement and automated operations.<\/p>\n Compressed air is commonly used for:<\/p>\n These components require reliable compressed air to maintain accurate movement and consistent operating cycles.<\/p>\n A properly designed rotary screw air compressor system helps reduce pressure fluctuations and supports the continuous operation of pneumatic equipment.<\/p>\n Temperature management is important in glass container production.<\/p>\n Compressed air can support mold cooling, equipment cooling, and selected cleaning operations.<\/p>\n Inadequate airflow or excessive moisture can affect cooling performance and increase the risk of contamination.<\/p>\n A suitable compressed air treatment system helps remove moisture and particles before air enters the relevant production equipment.<\/p>\n Compressed air is also used beyond the glass forming stage.<\/p>\n In downstream production areas, pneumatic systems support:<\/p>\n These applications require stable industrial air supply to maintain coordinated production operations.<\/p>\n A centralized compressed air system can supply multiple production areas through appropriately designed distribution pipelines.<\/p>\n One important consideration when selecting an rotary screw air compressor for glass container manufacturing is the need for different pressure levels.<\/p>\n Many hollow glass plants use separate low-pressure and high-pressure compressed air networks.<\/p>\n The two networks serve different production requirements and should be designed according to their respective airflow and air-quality demands.<\/p>\n Low-pressure air is commonly used for gob settling, pre-blowing, mold cooling, and selected cleaning applications.<\/p>\n These processes often require substantial airflow at relatively low pressure.<\/p>\n Producing this air directly at the required lower pressure can help avoid unnecessary energy consumption.<\/p>\n High-pressure air supports final blowing, counter-blowing, plunger mechanisms, and pneumatic control systems.<\/p>\n Pressure stability is particularly important because changes in air pressure can affect forming operations and automated equipment performance.<\/p>\n Using one high-pressure compressor to supply every application through pressure-reducing valves may create unnecessary energy consumption when large quantities of lower-pressure air are required.<\/p>\n A more efficient solution is to evaluate the demand of each pressure network independently.<\/p>\n For example, the UMW AIR Core Series has a standard working pressure range of 6\u201313 bar, with optional high-pressure configurations depending on the model.<\/p>\n It can be considered for suitable high-pressure plant air requirements. However, its standard pressure range does not directly match a typical 3-bar low-pressure process network.<\/p>\n Glass manufacturers should therefore evaluate whether a separate low-pressure compressor or another dedicated supply arrangement is required.<\/p>\n Selecting an industrial air compressor for a glass factory requires more than checking the rated motor power.<\/p>\n The system must match the actual compressed air consumption of the production line.<\/p>\n Airflow demand depends on several factors:<\/p>\n The compressor should provide sufficient free air delivery at the required working pressure.<\/p>\n A system that is undersized may experience pressure drops during peak demand, while an oversized compressor may increase investment and operating costs.<\/p>\n Different glass production processes require different operating pressures.<\/p>\n Before selecting a rotary screw compressor, manufacturers should confirm:<\/p>\n The compressor’s rated pressure should be selected according to the actual operating requirements, not simply the highest pressure listed in an equipment catalog.<\/p>\n Air quality is another important consideration in glass manufacturing.<\/p>\n Compressed air may contain moisture, oil aerosols, and solid particles. If these contaminants enter sensitive production equipment, they can affect valve performance, equipment reliability, and product consistency.<\/p>\n A complete compressed air system may include:<\/p>\n Air Receiver Tank:<\/strong> Stores compressed air, buffers demand fluctuations, and helps stabilize system pressure.<\/p>\n Refrigerated Air Dryer:<\/strong> Removes moisture and reduces condensation in pipelines and pneumatic equipment.<\/p>\n Precision Air Filters:<\/strong> Remove oil aerosols, water droplets, dust, and other contaminants.<\/p>\n Pipeline and Drainage System:<\/strong> Supports reliable distribution and condensate removal.<\/p>\n The required filtration grade and pressure dew point should be determined by the production process and equipment manufacturer’s specifications.<\/p>\n For applications requiring a lower pressure dew point than refrigerated drying can provide, an appropriate adsorption dryer may also be necessary.<\/p>\n For glass factories requiring medium- to high-capacity industrial compressed air, the UMW AIR Core Series offers a flexible split-type screw compressor configuration.<\/p>\n With a power range of 30\u2013110 kW, the Core Series is designed for industrial applications requiring stable air delivery, intelligent monitoring, and flexible system installation.<\/p>\n The Core Series covers multiple power options to support different factory air demands.<\/p>\n Its listed maximum air delivery reaches 21.07 m\u00b3\/min, depending on the selected model, pressure, and air-end configuration.<\/p>\n This allows manufacturers to evaluate different compressor models according to their production line requirements.<\/p>\n Unlike an integrated compressor, the Core Series uses an independent system arrangement.<\/p>\n The compressor, air receiver, refrigerated dryer, and precision filters can be configured separately.<\/p>\n This design provides greater flexibility when planning a centralized compressed air station for a glass factory.<\/p>\n Manufacturers can select the appropriate air receiver capacity, drying equipment, and filtration grade according to actual airflow, pressure, and air-quality requirements.<\/p>\n The Core rotary screw air compressor uses a permanent magnet synchronous motor that adjusts its speed according to air demand.<\/p>\n According to UMW AIR’s published specifications, motor efficiency remains above 90% across a 25%\u2013120% load range.<\/p>\n This helps support more efficient operation under changing compressed air demand.<\/p>\n For production facilities with varying operating loads, matching compressor capacity to actual consumption is an important part of reducing energy waste.<\/p>\n The Core Series features an intelligent PLC + HMI control system with a 7-inch display.<\/p>\n The controller supports monitoring of:<\/p>\n This allows operators to monitor compressor conditions and identify abnormal operating conditions more easily.<\/p>\n To support different compressed air quality requirements, the Core Series can be configured with additional refrigerated dryers and precision filtration equipment.<\/p>\n UMW AIR offers:<\/p>\n The final air treatment arrangement should be selected according to the required ISO 8573-1 air-quality class and the actual process requirements.<\/p>\n The published Core Series specifications do not designate the compressor as an oil-free model. Where the glass production process requires oil-free air or a stringent residual-oil limit, the complete compressor and purification arrangement must be verified against the plant specification.<\/p>\n Compressed air can represent a significant operating cost in glass manufacturing, particularly in plants running continuous production lines.<\/p>\n Improving system efficiency requires attention to both compressor performance and the overall air distribution network.<\/p>\n Monitor pressure at the compressor outlet and critical production points.<\/p>\n Comparing actual airflow with production demand helps identify pressure drops, insufficient capacity, and unnecessary air consumption.<\/p>\n Leaks in pipelines, fittings, valves, and pneumatic equipment can waste a considerable amount of compressed air.<\/p>\n Regular leakage inspections and maintenance help reduce unnecessary compressor loading.<\/p>\n Operating the compressor at a higher pressure than necessary increases energy consumption.<\/p>\n Pressure settings should be based on the minimum pressure required by the production equipment, including pipeline and treatment losses.<\/p>\n For factories with multiple production lines, compressor capacity should be selected according to simultaneous demand and operating schedules.<\/p>\n A properly configured system can improve load management and reduce inefficient operation.<\/p>\n Glass manufacturing often involves continuous production.<\/p>\n An unexpected interruption in compressed air can affect multiple machines and production stages.<\/p>\n Depending on plant size and production requirements, manufacturers should consider backup compressors, maintenance planning, and appropriate system redundancy.<\/p>\n UMW AIR provides industrial rotary screw air compressors and complete compressed air system configurations for manufacturing facilities.<\/p>\n Its product range covers 4\u2013355 kW, including integrated and split-type screw compressors.<\/p>\n For glass manufacturing applications, UMW AIR can support customers with:<\/p>\n Rather than selecting a compressor based only on motor power, UMW AIR can help evaluate the production process, air consumption, pressure requirements, and installation conditions to recommend a suitable compressed air system.<\/p>\n <\/p>\n 1. What air pressure is required for glass bottle manufacturing?<\/strong><\/p>\n Glass container production may use two pressure levels.<\/p>\n Low-pressure air is commonly used at around 3 bar for gob settling and pre-blowing, while high-pressure air is commonly used at around 7 bar for final blowing and pneumatic control.<\/p>\n Actual requirements vary by machine design and production process.<\/p>\n 2. Why does glass manufacturing require a stable compressed air supply?<\/strong><\/p>\n Glass forming operations depend on controlled pressure and sufficient airflow.<\/p>\n Pressure fluctuations can affect forming cycles, pneumatic mechanisms, and production consistency. A stable air supply helps reduce process interruptions and maintain consistent product quality.<\/p>\n 3. Does a glass factory need an air dryer and precision filters?<\/strong><\/p>\n Yes, where required by the process and equipment specifications.<\/p>\n Air dryers help remove moisture, while precision filters remove oil aerosols, water droplets, and solid particles.<\/p>\n The required configuration depends on the target compressed air quality and pressure dew point.<\/p>\n 4. Can one air compressor supply all the equipment in a glass production line?<\/strong><\/p>\n A centralized compressed air station can supply multiple production areas.<\/p>\n However, glass plants may require separate low-pressure and high-pressure networks. The system should be designed according to the demand, pressure, and air-quality requirements of each network.<\/p>","protected":false},"excerpt":{"rendered":" For glass factories producing bottles, jars, beverage containers, and other hollow glass products, compressed air is an essential industrial utility. The right industrial air compressor system must match the pressure, airflow, air quality, and operating requirements of each production process. UMW…<\/p>","protected":false},"author":1,"featured_media":24619,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-24612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"\n2. Main Applications of Rotary Screw Air Compressors in Glass Production<\/span><\/h2>\n
\n2.1 Glass Forming and IS Machine Operations<\/h3>\n
2.2 Glass Bottle Blowing Process<\/h3>\n
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\n Air Supply<\/th>\n Typical Pressure<\/th>\n Main Applications<\/th>\n<\/tr>\n \n Low-pressure air<\/td>\n Around 3 bar<\/td>\n Gob settling, pre-blowing, cooling and cleaning<\/td>\n<\/tr>\n \n High-pressure air<\/td>\n Around 7 bar<\/td>\n Final blowing, counter-blowing, plunger mechanisms and automation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 2.3 Pneumatic Control and Automation Systems<\/h3>\n
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2.4 Mold Cooling and Equipment Cooling<\/h3>\n
2.5 Downstream Handling and Packaging<\/h3>\n
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3. Two-Pressure Compressed Air Systems for Glass Manufacturing<\/span><\/h2>\n
\nLow-Pressure Air Supply<\/h3>\n
High-Pressure Air Supply<\/h3>\n
Why Separate Pressure Networks Matter<\/h3>\n
4. How to Choose a Rotary Screw Air Compressor for Glass Manufacturing<\/span><\/h2>\n
\n4.1 Determine Required Airflow<\/h3>\n
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4.2 Match Working Pressure to Production Equipment<\/h3>\n
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4.3 Select Appropriate Air Treatment Equipment<\/h3>\n
5. Core Series Rotary Screw Air Compressor for Glass Manufacturing<\/span><\/h2>\n
5.1 30\u2013110 kW Industrial Power Range<\/h3>\n
5.2 Flexible Split-Type Configuration<\/h3>\n
5.3 PM Synchronous Motor for Efficient Operation<\/h3>\n
5.4 Intelligent PLC + HMI Control<\/h3>\n
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5.5 Matched Drying and Filtration<\/h3>\n
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6. Key Factors for Improving Compressed Air Efficiency in Glass Factories<\/span><\/h2>\n
\nMonitor Air Pressure and Consumption<\/h3>\n
Reduce Air Leakage<\/h3>\n
Avoid Excessive Operating Pressure<\/h3>\n
Match Compressor Capacity to Actual Demand<\/h3>\n
Plan Standby Capacity<\/h3>\n
7. Why Choose UMW AIR for Industrial Compressed Air Solutions?<\/span><\/h2>\n
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Preguntas frecuentes<\/span><\/h2>\n