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Pressure guide tubes for pressure instruments

2019-07-04View Original

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A beginner seeking help; it’s a very basic question. . . The figure below is taken from the \"Industrial Automation Instruments and Systems Manual\" and relates to the installation of pressure instruments. 1) Laying of the pressure conduit for pressure instruments – does this refer to pressure transmitters? A pressure gauge again? Is there such a thing as a pressure guide tube for pressure gauges? 2) The length of the pressure guide tube generally should not exceed 60 meters. Is this referring to a pressure transmitter? Is it really that long in reality? I only look at things that are very close. 3) It is stated that a gas collection bottle, a liquid collection bottle, and a sedimentator must be installed at the lowest point of the pressure guiding pipe. Is there any of these on site?
Reply #22019-07-04
The connecting pipe between the source and the pressure measuring instrument is called a \"pressure transfer tube\" or \"pressure guiding tube\"”
Reply #32019-07-04
Pressure instruments are a general term for all devices used to measure pressure. Your Chinese is a bit weak. {:2_45:} “Purple smoke rises from the Sunlit Incense Burner.” Who is this Sunlit Incense Burner? Do you know? :lol
Reply #42019-07-04
You’ve seen the short pressure guiding tubes; you just haven’t seen the long ones. Go and get a long one; that way you’ll gain some insight. Independent development, self-achievement. :lol
Reply #52019-07-04
“Gas collection bottles, liquid collection bottles, and sedimentators can all have spills. If the elbow pipe is installed vertically, it can be regarded as a liquid accumulation bottle or a sedimentator – why not? Can a bent pipe be used in a flat package, treated as a gas collection bottle or a liquid collection bottle? .
Reply #62019-07-05
Accumulation bottles, sedimentators, gas collection bottles, liquid collection bottles – do these all refer to condensation bends?
Reply #72019-07-05
Accumulation bottles, sedimentators, gas collection bottles, liquid collection bottles – do these all refer to condensation bends?
Reply #82019-07-05
Randomly chosen from the self-control installation atlas, is the part marked in red called a pressure lead pipe? The pressure lead of the transmitter is quite obvious, but I’ve never heard of a pressure gauge being called that (I’m a beginner; I really don’t know). Is that how they’re all called?
Reply #92019-07-05
1) Laying of the pressure conduit for pressure instruments – does this refer to pressure transmitters? A pressure gauge again? It refers to all instruments used for measuring pressure, such as pressure gauges, pressure (differential pressure) transmitters, etc.... Does a pressure gauge have something called a pressure guide tube? Generally, there is a pressure gauge. 2) The length of the pressure transfer pipe should generally not exceed 60 meters. Is this referring to a pressure transmitter? No, it also refers to all instruments that measure pressure. Is it really that long in reality? Yes, there are. I only look at things that are very close. 3) It is stated that a gas collection bottle, a liquid collection bottle, and a sedimentator must be installed at the lowest point of the pressure guiding pipe. Is there any of these on site? Yes, for liquid measurement, a gas collector is generally required; for measuring gases on a large scale, a liquid collector is used. When there is condensate, a sedimentator is necessary...
Reply #102019-07-05
It is a pressure lead, also known as a pressure guiding tube...
Reply #112019-07-05
From the pressure tapping point to the instrument interface, everything in between, excluding valves, is referred to as a pressure conduit

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