The instrument parameters include the size of the instrument connector and the dimensions for manufacturing the protective sleeve; which opening size is required for the equipment?
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The instrument specification sheet includes the size of the instrument connector, as well as the connection dimensions on the process measurement side of the protective sleeve. What should be the opening size of the instruments required for the equipment engineering on the equipment itself? Is the opening size that needs to be provided for the instrument in the equipment field simply the size of the pipe fittings used to connect the instrument to the equipment? It should be related to the size of the instrument interface (without a protective sleeve) and the size of the protective sleeve, right? This question remains unsolved to this day; I hope someone knowledgeable can provide some guidance!
It has nothing to do with the two sizes you mentioned; you can make it larger so that your sleeve can fit in more easily. In other words, it’s better to choose an integer size, such as 1-1/2 or 2’. You can even go bigger, but then it becomes more difficult for the equipment specialists – the larger the size we choose, the harder it is for them!
I don’t know what instrument the original poster is referring to Is the opening threaded or flanged? For threads, specify the dimensions as well as whether they are male or female ； For flanges, it’s the pound rating, diameter, and standard. If there is an insertion section, the length by which the nozzle extends out of the container also needs to be specified clearly.
It has threaded openings; could emir001 please help analyze it? The equipment requires opening sizes for pressure, temperature, and level gauges! Can I give them the dimensions of the instrument interface (without a protective cover) and the connection dimensions for when a protective cover is used? Those who are willing to answer please take it seriously and provide as detailed an explanation as possible; please don’t just give a brief two-sentence response, okay?
The equipment requires opening sizes for pressure, temperature, and level gauges! Can I give them the dimensions of the instrument interface (without a protective cover) and the connection dimensions for when a protective cover is used? ～～～～～～～～～～～～～～～～～ The equipment team does not require the diameter of a temperature gauge protection sleeve; if the outer diameter of the selected protection sleeve is Φ16 or Φ18, then flanges with a pressure rating of DN40 or 1-1/2\" should be used (the pressure rating depends on the operating conditions). Additionally, the equipment team requires flange covers, gaskets, and fasteners to be provided. The equipment specialty only deals with what type of flange to use, without considering the outer diameter for the protection of the thermometer.
If the protective sleeve is connected to the equipment via threads, the thread dimensions, the diameter of the sleeve, and the insertion depth should be specified. For example: M27X2, Φ18, L=200. If the protective sleeve is connected to the equipment using a flange, the flange dimensions and the insertion depth should be provided. For example: 2” ANSI 150LB RF, L=200
I agree with what was said above; sometimes it’s enough to communicate with the people in charge of the equipment to resolve the issue.