
Stainless steel safety pressure gauge is an instrument used to measure pressure and has safety protection function. The following is a detailed introduction about it:
Structure and Material
Shell material: Made of stainless steel, usually 304 or 316 stainless steel types. This material has good corrosion resistance and can adapt to various harsh environments, such as humid, corrosive gas or liquid working scenarios. It can effectively prevent the pressure gauge housing from being corroded and extend its service life.
Internal structure: Key pressure sensing components such as spring tubes are often made of corrosion-resistant materials, and some safety pressure gauges may also be equipped with special safety devices such as explosion-proof structures and anti blocking designs.
working principle
It works based on the deformation principle of elastic elements such as spring tubes. When the measured pressure is applied to the spring tube, the spring tube will undergo elastic deformation, and the degree of deformation is proportional to the magnitude of the pressure. By using a mechanical transmission mechanism, the deformation of the spring tube is converted into the rotational motion of the pointer, thereby indicating the corresponding pressure value on the pressure gauge dial.

Security features
Overload protection: It has a certain overload capacity and can withstand pressure higher than the normal measurement range in a short period of time without being damaged. After the pressure returns to the normal range, it can still be accurately measured, which can avoid the failure of the pressure gauge due to unexpected pressure shocks.
Explosion proof design (for special environments): Stainless steel safety pressure gauges used in environments where flammable and explosive gases or dust may exist, with explosion-proof function. For example, special sealing structures and materials are used to prevent internal sparks or heat from igniting external flammable substances.
Preventing medium leakage: The design focuses on preventing the leakage of the tested medium, especially when measuring the pressure of toxic, harmful, or expensive media. Good sealing can protect the working environment and personnel safety while avoiding medium loss.
application area
Industrial field: widely used in industries such as chemical, petroleum, and natural gas. In chemical production, it can be used to measure the pressure of various corrosive chemical raw materials inside pipelines; Used to monitor wellhead pressure, pipeline pressure, etc. during oil and gas extraction and processing.
Food and pharmaceutical industries: Due to their high requirements for hygiene and cleanliness, stainless steel safety pressure gauges can meet their needs. For example, it is used in pressure monitoring of reaction vessels in pharmaceutical factories and pressure measurement of fluid transport pipelines in food processing plants.
Other special environments, such as in marine engineering, sewage treatment, etc., their corrosion resistance and safety performance enable them to reliably measure pressure, providing a basis for the safe operation of equipment and process control.





