Brochure
22 | Fisher
®
Olefin Production Solutions
Gas-to-Flare Valve
Olen production facilities have a are system to safeguard against
overpressure of critical assets within the plant and to dispose of
any waste gas. Failure of the are system to successfully relieve
pressure from the process can lead to unexpected downtime or
damage to costly pressure-retaining equipment.
Gas-to-are valves are installed at numerous locations throughout
the gas treatment and recovery section. They are used to control
the ow of cracked gas or separated hydrocarbons to the are
stack for disposal. They are primarily used during plant startup,
shutdown, or short-duration upset conditions. During these
periods, are valves will experience signicant pressure differentials
and high ow rates. If not addressed properly, these conditions can
lead to excessive noise levels and even damaging vibration.
During the normal operation of the plant, gas-to-are valves will
remain closed. Because of this, it is important that these valves
maintain tight, long-term shutoff in order to prevent loss of
valuable product to the are stack.