A glycerine-filled pressure gauge is a type of pressure measuring instrument that is filled with glycerine inside the case. It is widely used in industrial fields requiring stable pressure measurement.
Structure and principle
Structure: It mainly consists of the header, spring tube, movement, glycerin, and housing. The header usually has different diameters, such as 63mm, 100mm, 150mm, etc. A spring tube is a component that senses pressure. When the pressure of the measured medium acts on the spring tube, it will deform. This deformation is converted into the rotation of the pointer through the movement, and the pressure value is displayed on the dial.
Principle: Glycerol is filled inside the pressure gauge, mainly for shock absorption and lubrication. It can slow down the rapid oscillation of the pointer caused by pressure fluctuations and vibrations, making the pointer indication more stable, while also reducing friction between the movement components and extending the service life of the pressure gauge.
Main Features
Good anti vibration performance: It can effectively buffer the influence of mechanical vibration and pressure pulsation on the pointer, and is suitable for pressure measurement in industrial environments with high vibration, such as compressors, pumps, and other equipment.
High accuracy: The accuracy level usually includes ± 1%, ± 1.6%, ± 2.5%, etc., which can meet the measurement accuracy requirements of most industrial occasions.
Wide applicability: The working temperature range is generally between -30 ° C and+60 ° C, and it can measure the pressure of various media such as gases and liquids. It is widely used in hydraulic systems, pneumatic systems, HVAC systems, etc.
Technical Specifications
Pressure range: can be customized according to needs, commonly including 0-1MPa, 0-100MPa, etc.
Connection methods: including threaded connections such as 1/8 ", 1/4", 3/8 ", 1/2", as well as interfaces of different standards such as PT, BSP, NPT, etc.
Shell material: usually brass or stainless steel, with good corrosion resistance and mechanical strength.
