Tube inserts provide support and prevent the collapse of soft tubing when ferrules griping. Tube insert support is commonly used in semiconductor and pharmaceutical devices. Tube inserts offer an alternative option for pneumatic adapters, such as Rapid Pneumatic Fitting and Push-in Pneumatic Fitting.

Some of the applications where 316 Stainless Steel Tube Fittings are widely used include:
• Chemical processing: 316 Stainless Steel Twin-ferrule Tube Fittings are often used in chemical processing plants for the transfer of corrosive chemicals, acids, and solvents.
• Oil and gas: 316 Stainless Steel Tube Fittings are widely used in the oil and gas industry for pipelines, refineries, and offshore drilling platforms due to their resistance to corrosion.
• Food and beverage: These fittings are used in the food and beverage industry for the transfer of liquids, such as milk, juice, and beer, as they are easy to clean and maintain.
• Pharmaceutical: The pharmaceutical industry also uses 316 Stainless Steel Tube Fittings for the transfer of fluids and gases in the production process of drugs and medicines.
• Water treatment: These Double-ferrule Tube Fittings are used in water treatment plants for the transfer of water, chemicals, and other liquids.
• Aerospace: The aerospace industry uses these fittings for hydraulic and pneumatic systems that require high-performance and durability.
• Marine: 316 Stainless Steel Tube Fittings are used in marine environments for their resistance to saltwater and other corrosive elements.
• Power Generation: In power generation facilities, 316 Stainless Steel Tube Fittings are used in the transport of steam and other fluids in power plants, including nuclear power plants.
• Semiconductor: In the semiconductor industry, 316 Stainless Steel Tube Fittings are used in the production of microchips and other electronic components, where the fittings must meet stringent cleanliness and purity standards.
• Automotive: In the automotive industry, 316 Stainless Steel Tube Fittings are used for connecting various fluid lines, including fuel and brake lines.
• HVAC: In the heating, ventilation, and air conditioning (HVAC) industry, 316 Stainless Steel male elbow Tube Fittings are used for connecting pipes and tubes in various HVAC systems.
• Hydraulic systems - used to connect pipes and hoses in hydraulic systems for transmitting power.
• Instrumentation and control systems - used to connect pipes and tubing in instrumentation and control systems that require high precision and accuracy.
• Process piping - used to connect pipes in industrial processes that involve the transportation of chemicals, gases, and fluids.
• Overall, 316 Stainless Steel Tube Fittings are used in a wide range of industries where reliable and durable tube connections are required.