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True or False Questions

2016-09-01View Original

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When isolating a cold methanol pump, the inlet valve should be closed first, followed by the valve on the line of the flow control orifice plate, and then the outlet valve – this is to prevent overpressure in the pump and damage to the mechanical seal.
Reply #22016-09-01
When isolating a cold methanol pump, the inlet valve should be closed first, followed by the valve on the line of the flow control orifice plate, and then the outlet valve – this is to prevent overpressure in the pump and damage to the mechanical seal. (X)
Reply #32016-09-01
What pump? Centrifugal pump or reciprocating pump

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Translated at 2026-07-20 23:31:48

Original: https://bbs.hcbbs.com/thread-1613510-1-1.html

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