Valve in front of pressure gauge, pressure rating
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This post was last edited by 3983596_FPPZ on 2019-3-12 07:33. Should the nominal pressure rating of the switch valve in front of the pressure gauge be the same as or different from the pressure rating (range) of the pressure gauge? Please reply, Haiyou
It’s different; it has the same pressure rating as the pipeline
Does the pressure rating of a pressure gauge refer to the maximum range? It should be determined based on the pipeline pressure; the normal pressure reading for the pipeline pressure is around half of the gauge’s range. The pressure rating of the valve and the maximum reading on the gauge should be different
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It’s the same type of valve, but I’m not sure about how to install it in practice. The maintenance team installs pressure gauges depending on the requirements; as long as the diameter is the same and the bolts fit, then a valve of that size can be used
The pressure rating of the valve should be higher than that of the pressure gauge