Application and Installation of Diaphragm Pressure Gauge and Material Selection of Isolation Diaphra

Can you install a high temperature resistant diaphragm pressure gauge? The high temperature resistant diaphragm pressure gauge is composed of various stainless steel pressure gauges, shock resistant pressure gauges and radiators, which form a closed system. It is filled with sealing liquid. When the pressure of the measuring medium acts on the diaphragm, the diaphragm deforms and compresses the sealing fluid of the closed system.

1. Application of high temperature resistant diaphragm pressure gauge

It is mainly used to measure the pressure of high temperature and high pressure steam, suitable for oil exploration and hot spot industries. All parts are made of stainless steel, and the pressure guiding system adopts special welding technology.

The high temperature resistant diaphragm pressure gauge has the characteristics of corrosion resistance and high temperature resistance. It is mainly used for pressure measurement of fluid media in the production process of petrochemical, alkali manufacturing, chemical fiber, dyeing, pharmaceutical, food, health systems and alkali manufacturing.

It is suitable for measuring the pressure of medium with strong corrosion, high temperature, high viscosity, easy crystallization, easy solidification, and solid suspended matters. It should be avoided that the measuring medium directly enters the general-purpose pressure gauge to prevent the accumulation of sediment, which is not easy to clean.

2. Installation precautions for high temperature resistant diaphragm pressure gauge

When installing a high temperature resistant diaphragm pressure gauges, please select the pipe section where the medium to be measured flows in a straight line, and do not select pipe bends, bifurcations, dead ends or other places that are prone to vortex formation.

When the high temperature resistant diaphragm pressure gauge measures the liquid pressure, the pressure point should be at the lower part of the pipeline, so that no gas accumulates in the pressure pipe. When measuring the gas, the pressure point should be above the pipeline, so that no liquid accumulates in the pressure pipe.

When installing the high temperature resistant diaphragm pressure gauge, try to install it in a place that is easy to clean and observe, so as to avoid the influence of vibration and high temperature environment. When installing a high temperature resistant diaphragm pressure gauge in a sunny place, install it independently and do not connect it with other piping.

3. What materials are used for the isolation diaphragm in the diaphragm pressure gauge?

The selection of the isolation diaphragm material of the diaphragm pressure gauges is very important. There is more than one material for the isolation diaphragm of the pressure gauge. We believe that the corrosive performance of the pressure gauge is closely related to its isolation diaphragm. Therefore, the material of the isolation diaphragm should be paid attention to when selecting a diaphragm pressure gauge.

The advantage of the diaphragm pressure gauges is that different isolation diaphragm materials can be selected according to different corrosive media to achieve the best corrosion resistance.

When choosing a diaphragm pressure gauge, in addition to the correct selection of the structure and range, it is more important to choose the isolation diaphragm material reasonably. That means its corrosion resistance should be considered.

In terms of the economy, for example, tantalum film and Hastelloy have good corrosion resistance, but they are expensive and only suitable for highly corrosive environments, where other inexpensive materials are not suitable.

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