The characteristics of pneumatic hoists mainly include:

Energy conservation and environmental protection: The pneumatic hoist is driven by gas, which does not require electricity consumption, saving energy and reducing environmental pollution.

Safe and reliable: The pneumatic hoist is driven by an air source, without worrying about safety hazards such as electric shock and fire, and has overload protection function to ensure the safety of the lifting process.

Lightweight and flexible: The pneumatic hoist is lightweight, small in size, easy to carry and install, and suitable for various lifting operations.

Easy maintenance: The pneumatic hoist has a simple structure, low failure rate, and low maintenance cost.

Fast and efficient: The pneumatic hoist uses pneumatic tools as the driving force, and its lifting speed is several times faster than ordinary manual hoists. 

It can quickly and efficiently complete various operations in lifting tasks, improving work efficiency.

Strong load capacity: The pneumatic hoist can withstand heavy weights, with a general load capacity between 0.5T-50T, and can meet various load scenarios.

Good durability: The pneumatic hoist has good durability and does not require excessive maintenance. 

It has a long service life and can adapt to various harsh environments such as dust, humidity, and corrosion.

Wide application range: Pneumatic hoists are widely used in various industries such as mechanical manufacturing, construction, shipbuilding, and petrochemical, playing an important lifting role in different fields.

Convenient operation: The pneumatic hoist uses pneumatic tools as the driving force, making it easy to operate and very suitable for industries that require a large amount of lifting.

In summary, pneumatic hoists have the characteristics of energy conservation and environmental protection, safety and reliability, lightweight and flexible, easy maintenance, fast and efficient, strong load capacity, good durability, wide application range, and convenient operation, making them an excellent lifting tool.