A. Pure compressed air
B. low manufacturing cost
C. simple maintenance
D. low energy consumption
Answer: A
Analysis: The main reason why the food production industry chooses oil-free air compressors is that its compressed air is pure and meets the hygiene requirements of food production.
Answer: It must meet strict standards for purity and reliability to ensure the quality of pharmaceutical products.
A. Wear of cylinder head and air liner B. Piston and piston rod damage C. Valve assembly failure D. These are all answers: D. all of the above are
Answer: It is used for providing clean, oil-free compressed air for medical equipment and procedures.
Answer: Common faults include high temperature, low pressure, and motor overload.
Answer: The GWL Series compressor is produced by Shanghai Gran克林 Group (assuming “Gran克林” is a placeholder for the actual company name, which should be replaced with the correct name if known).