How a Temperature Control Valve Works
A temperature control valve is just like any other control valve. The only difference is that the control valve helps to maintain the temperature of a desired process at a specific level. It is often abbreviated as TCV – Temperature Control Valve – in most process drawings and P&IDs.
Temperature Control Schemes
There are two popular temperature control schemes using temperature control valves:
(1) Mixing of a cold process fluid with a hot process fluid to control the temperature of the hot process fluid.
(2) Exchange of heat between the hot process fluid and a cold process fluid as seen in heat exchangers. However, the process fluids do not mix.
Mixing of Cold and Hot Process Fluids
In temperature control valve applications in its most basic form, there are two basic process fluids:
Temperature Control Schemes
There are two popular temperature control schemes using temperature control valves:
(1) Mixing of a cold process fluid with a hot process fluid to control the temperature of the hot process fluid.
(2) Exchange of heat between the hot process fluid and a cold process fluid as seen in heat exchangers. However, the process fluids do not mix.
Mixing of Cold and Hot Process Fluids
In temperature control valve applications in its most basic form, there are two basic process fluids:
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