Metal seals are versatile components that find applications in a wide range of industries and operating conditions. Here, we will discuss the different types of metal seals and their respective applications in various operating conditions.

O-ring Seals:

Material: Typically made from metals such as stainless steel or nickel alloys.

Applications:

Hydraulic systems: O-ring seals effectively prevent fluid leakage in hydraulic systems operating under high pressures.

Pneumatic systems: They ensure reliable sealing in pneumatic systems that experience frequent pressure fluctuations.

Instrumentation: O-ring seals are commonly used in gauges, meters, and other instrumentation applications.

Gasket Seals:

Material: Different metal materials like copper, aluminum, or steel.

Applications:

Flange connections: Gasket seals are widely employed in pipeline or equipment flange connections to maintain leak-free operations.

Heat exchangers: These seals provide efficient sealing between heat exchanger plates, ensuring optimal heat transfer.

Diaphragm Seals:

Material: Typically made from stainless steel or alloys.

Applications:

Pressure transmitters: Diaphragm seals protect pressure transmitters from corrosive or viscous media, extending their lifespan.

Chemical processing: They are used in equipment and instruments that come into contact with corrosive chemicals.

Bellows Seals:

Material: Stainless steel, Inconel, or other high-temperature alloys.

Applications:

Vacuum systems: Bellows seals provide a flexible and reliable sealing solution in vacuum applications, compensating for thermal expansion and contraction.

High-temperature environments: They are suitable for sealing applications in high-temperature furnaces or exhaust systems.

Spring-energized Seals:

Material: Metal jacketed with PTFE (Polytetrafluoroethylene) or other high-performance polymers.

Applications:

Cryogenic systems: These seals withstand extremely low temperatures, making them ideal for sealing cryogenic fluids in industries like aerospace and medical.

It is important to note that the specific applications and operating conditions for metal seals may vary depending on the industry and requirements. The material selection for metal seals is critical to ensure compatibility with the operating environment, pressure, temperature, and media involved.

Overall, metal seals offer a diverse range of options to address sealing needs in various operating conditions, guaranteeing reliable performance, durability, and safety.