Hello, experts. I’m new to instrumentation and would like to ask for some advice

2017-08-14View Original

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Hello, experts. I’m new to instrumentation and would like to ask for some information regarding valve leak testing. For example, when testing the sealing performance of ball valves at level VI, the pressure is expressed in SCFH. After searching through various sources, I found that this unit refers to cubic inches per hour; I’d like to know how to convert this value into the standard number of bubbles. Thank you for your help

Reply #22017-08-15

What criteria are you based on? According to API598 standard, there are detailed instructions in it.

Reply #32017-08-15

1 m^3/h = 35.315 SCFH = 0.5886 SCFM; these are the units. The number of steam drums is at the six-stage leakage level. Search for it on Baidu yourself: https://wenku.baidu.com/view/0941f343a8956bec0975e3bf.html

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Hello, experts. I’m new to instrumentation and would like to ask for some advice

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