Operating temperature of special valve steam seal
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What is the optimal operating temperature for the special valves used in feeding, as well as for the steam seals on large oil and gas lines? My units are all set at 250 degrees; let’s discuss whether we can raise it to 300 degrees
Just to add: I’m referring to the steam seal of the electric ball valve used in delayed coking
Slightly higher pressure and temperature are beneficial for the operation of special valves; 300°C is certainly acceptable, but attention should be paid to costs and cost savings.
Could that increase the tendency for coking in the valve? Normally, should the pipe through which the packing is fed be connected in a special valve?
One of the two paths for the packing of the four-way valve should be blocked; it serves as a protection mechanism only when there is leakage in the packing. I think that’s how it works
Temperature and pressure are a pair of matching parameters; if the temperature is increased to 300°C, what should the pressure be? Is there such suitable steam available on the system or in the device? Actually, 250°C is sufficient for the steam used in the steam seal!
Is the poster referring to the steam temperature or the outlet temperature of the furnace?