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Difference between pneumatic IGV and BOV

2016-06-16View Original

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I would like to ask my senior colleagues: what is the difference between pneumatic IGVs and BOVs? I remember that BOVs are required to open quickly and close slowly; so how does an IGV function? Also, how is this slow/fast motion achieved by them? Is a damper needed? Trouble
Reply #22016-06-16
Where are the valves used? Some have boosters, some have flow control valves, and others are implemented based on your locator
Reply #32016-06-16
This post was last edited by ylb913 on 2016-6-16 19:48. Centrifugal air compressor: IGV→Control valve; actuator: controls the opening degree of the inlet vanes. BOV→Vent valve; actuator: controls the closing degree of the vent valve
Reply #42016-06-16
One for low selection, one for high selection; the initial opening degree of IGV is determined, while the opening degree of BOV is controlled via an amplifier. Please provide further details for the rest
Reply #52016-06-17
On air-driven air compressors, the positioner is pneumatic, using compressed process air as auxiliary power
Reply #62016-06-17
What do “primary elections” and “general elections” mean? Does this refer to their differences?
Reply #72016-06-17
For ‘initial’ and ‘high’, my understanding is the difference between ‘open degree’ and ‘closed degree’.
Reply #82016-06-27
I made a typing mistake; what was meant to be said is “choose low, choose high”. What does that mean? Could you explain it?
Reply #92016-11-20
This post was last edited by Engineer_GZSV on 2016-11-21 08:38 for specialized repair of Atlas centrifuges, intake control valves-IGV, relief valves-BOV, or for technical discussions. Phone/WeChat: 13362537227.

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