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In order to be able to design and handle a plant in the best way possible, the interaction between pressure and temperature MUST be taken into account for the working medium that is steam. Therefore, GEMÜ has compiled a table that corresponds to the "Pressure/Temperature diagram". However, this table is merely an initial reference point, because the values only relate to saturated steam.
Taking all operating parameters into account
Please ensure that you also take all the relevant physical and chemical properties of your plant into account. Other media, or even steam containing additives/impurities, can lead to significantly altered values. Particularly when there are high concentrations of corrosive media, we advise our customers to carry out their own series of tests and draw up a media-specific table. This applies similarly for flow velocity, which can also have a major effect on the values and should therefore also be taken into account.
Some general information and correlations are summarised on the Valve selection tool page.
The GEMÜ Group accepts no liability as to whether the information provided is up-to-date, correct or complete, or as to the quality of the information. Liability claims which relate to material or non-material damage resulting from use or non-use of information presented here, or from use of defective or incomplete information, will not generally be accepted, unless there is deliberate or grossly negligent fault which can be proven. All offers are without obligation and non-binding. The GEMÜ Group expressly reserves the right to change, supplement or withdraw the offer in whole or in part without separate notification, or to temporarily or permanently cease publication of the offer. This disclaimer must be regarded as part of the internet offer. If parts of or individual formulations within this text no longer conform (in whole or in part) to the applicable legal situation, the remaining parts of the document remain unaffected in their content and validity.
Pressure/temperature table in German
Pressure/temperature table in English