Request for explanation of pressure gauge data sheet
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There are a few items in the pressure gauge data sheet in ISA-S20 whose meanings I don’t understand. I hope someone experienced can help me out. 1 Type: direct Rdg 3-15lb Receiver. There are two options regarding the type of pressure gauge; generally, the first option, That is, the direct reading type, is chosen. But what does the second option, 3-15lb, mean? How should it be interpreted?
The eighth option: 1. Sylphon, 2. Snubber, 3. Pressure limit switch, 4. Movement damping. What are the Chinese translations for these four options? What do they mean respectively? Under what circumstances should each one be chosen? It would be helpful to have pictures showing what they look like; for example, the second option, snubber, is likely a damper that is used in places where there is vibration. The third option is a limit switch – I’m not sure under what circumstances it is used and what its function is The first thing that comes to mind is, is it a heat dissipation tube? What about the last one? Could some expert give me some advice?
1. Sylphon is currently generally referred to as Syphon; it’s the condensation ring. 2. Snubber is also known as Damper, a type of damper; there are pictures available online. 3. I’ve never seen a Pressure limit switch before; in my opinion, it should be an overpressure protector. 4. Movement damping refers to the internal components of the pressure gauge, those located at the rod area