butterfly valve Click to see full answer. Then, can globe valve be used for throttling?Globe valves. Conventional Globe valves may be used for isolation and throttling services. Although these valves exhibit slightly higher pressure drops than straight=through valves (e.g., gate, plug, ball, etc.), they may be used where the pressure drop through the valve is not a controlling factor.One may also ask, what does a throttling device do? Throttling device is the generic name of any device or process that simply dissipates pressure energy m ˙ p v by irreversibly converting it into thermal energy. Unlike nozzles and diffusers, throttling devices provide no form of useful energy recovery. In respect to this, why gate valve is not suitable for throttling flow? Gate valves are not suitable for throttling purposes. The control of flow is difficult because of the valve’s design, and the flow of fluid slapping against a partially open gate can cause extensive damage to the valve. In this valve, the stem rises out of the valve when the valve is opened.What is the symbol for a check valve?An arrow or the symbol for any type of check valve (a fluidic/pneumatic logic symbol) on the outside of the body indicates flow direction.
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