Gauges with chemical seal

We offer various manometers with chemical seal. Due to the many years of experience of EMVO Techniek and excellent contacts throughout Europe with all the best manufacturers, you are at the right place for all your measuring instruments. We always have a wide range of pressure gauges in stock, and we supply the right measuring instrument for every application. Do you need a pressure gauge with a chemical seal? Or are you looking for a suitable thermometer, manometer or pressure gauge? As a wholesaler of measuring instruments, Emvo Techniek always meets your demands. We are happy to help you! If you need any advice on choosing the right pressure gauge, do not hesitate to contact us. We have helped many clients over the years to their full satisfaction because we take our job seriously and apply all our knowledge to help you as a customer.

Chemical seals

Chemical seals are designed to separate pressure gauges from complicated media that need to be measured, such as:

  • Viscous media that have difficulties entering the small entrance of a bourdon tube;
  • Aggressive media that might damage the pressure gauge or its mechanism;
  • Toxic media that could be dangerous to the environment or bystanders;
  • Etc.

Most pressure gauges with chemical seals have a welded diaphragm. The diaphragm consists of two parts: an upper part with a flexible membrane and a connection for the instrument itself; and a bottom part, which can be connected to the process. The upper part is filled with an appropriate fluid for the process, under high vacuum. After hermetic closure, this part cannot be opened again. When the membrane is pressured by the medium it will transmit that pressure through the filling fluid to the measuring instrument, and the pressure value is indicated on a scale with a rotating needle.

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Gauges with chemical seal

We offer various manometers with chemical seal. Due to the many years of experience of EMVO Techniek and excellent contacts throughout Europe with all the best manufacturers, you are at the right place for all your measuring instruments. We always have a wide range of pressure gauges in stock, and we supply the right measuring instrument for every application. Do you need a pressure gauge with a chemical seal? Or are you looking for a suitable thermometer, manometer or pressure gauge? As a wholesaler of measuring instruments, Emvo Techniek always meets your demands. We are happy to help you! If you need any advice on choosing the right pressure gauge, do not hesitate to contact us. We have helped many clients over the years to their full satisfaction because we take our job seriously and apply all our knowledge to help you as a customer.

Chemical seals

Chemical seals are designed to separate pressure gauges from complicated media that need to be measured, such as:

  • Viscous media that have difficulties entering the small entrance of a bourdon tube;
  • Aggressive media that might damage the pressure gauge or its mechanism;
  • Toxic media that could be dangerous to the environment or bystanders;
  • Etc.

Most pressure gauges with chemical seals have a welded diaphragm. The diaphragm consists of two parts: an upper part with a flexible membrane and a connection for the instrument itself; and a bottom part, which can be connected to the process. The upper part is filled with an appropriate fluid for the process, under high vacuum. After hermetic closure, this part cannot be opened again. When the membrane is pressured by the medium it will transmit that pressure through the filling fluid to the measuring instrument, and the pressure value is indicated on a scale with a rotating needle.

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