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in Fermentation Technology by (72.1k points)
Which of the following valves is the most suitable for aseptic operation?

(a) Butterfly valves

(b) Ball valves

(c) Needle valves

(d) Globe valves

I had been asked this question in an international level competition.

This interesting question is from Instrumentation and Control in division Instrumentation and Control of Fermentation Technology

1 Answer

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Best answer
Correct choice is (b) Ball valves

The best explanation: Ball valve is the most suitable valve for aseptic operation. It is made up of stainless steel ball through which orifice is machined. The butterfly valve is not suitable for aseptic operation. The needle valve has very limited application in aseptic operation.

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